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December 5th, 2023

How Much Accuracy Is Essential for Your Shooting Discipline?

Jim See Elite Accuracy
This impressive 15-round group was shot by Jim See of Elite Accuracy.

Different Shooting Disciplines Demand Different Levels of Precision/Accuracy
In the rapid-fire 3-Gun game, you could probably “clean” most stages with a 2-MOA rifle. By contrast, in the short-range group benchrest game, to compete with the best, you’ll need a rifle that shoots in the “ones” (i.e. 0.1-0.19 MOA) in perfect conditions. In 1000-yard F-Class competition, the top shooters want a rifle that will hold one-third-MOA of vertical at that distance.

What is your standard of accuracy? How good is “good enough”. Jim See, a skilled gunsmith and successful PRS competitor, recently answered that question for his tactical discipline. For the kind of matches Jim shoots, he likes to have a rifle that will hold half-MOA for five (5) shots, 3/4-MOA for 15 shots, and 1 MOA for twenty shots. Remarkably, Jim’s rifle can do that with factory ammo. Above is an impressive 15-shot group shot with .260 Remington Federal Premium Ammo.

Jim See Elite Accuracy

“I say it all the time, my loads need to print 5 under 1/2″, 10 under 3/4″, and 20 under 1″. It’s simple, if a hot barrel will keep 20 rounds fired in succession under my standard it will be a good barrel and load for Precision Match Shooting. Federal Premium Gold Metal Match .260 with Sierra bullets made the cut for me today. 15 consecutive shots under 3/4 MOA.” –Jim See

It’s said that you “can never have too much accuracy”, but there are acceptable standards for each discipline, and they’re not the same. A 100/200 yard Benchrest shooter will be sorely disappointed with a rifle/ammo set-up that can only deliver half-MOA. On the other hand, a PRS competitor like Jim See can achieve great success with a lesser degree of precision. This means you can save time and money. You can run your barrels longer between cleanings, and you don’t have to go “full OCD” when loading your ammo. The PRS shooter does not need to weigh-sort primers, or load powder to single-kernel standards. Proof is the performance. Jim See recently took third place at the Spearpoint Shootout, and he has been a podium finisher at other events. Learn more about Jim’s gunsmithing and training operations at EliteAccuracy.com.

Download This Load Development Target

Jim’s target seemed a bit familiar. AccurateShooter.com created this Diamond and Dot Target a few years back. On each aiming point, there are high-contrast black horizontal and vertical lines for aligning your cross-hairs. The gray circle lets you see the bullet impacts above, without obliterating the red diamond, which is quite useful for precise aiming (we put fine cross-hairs on the points of the diamond). This target sheet includes data entry tables below each of the three aim points. There are many other free targets out there, but this format is very popular. We’re pleased to see Jim using it. You can download this and dozens of other FREE Targets from the AccurateShooter.com Target Page.

AccurateShooter precision load development free target

Permalink - Videos, Bullets, Brass, Ammo, Shooting Skills 1 Comment »
January 31st, 2023

What Level of Accuracy is “Good Enough” for Your Discipline?

Jim See Elite Accuracy
This impressive 15-round group was shot by Jim See of Elite Accuracy.

Different Shooting Disciplines Demand Different Levels of Precision/Accuracy
In the rapid-fire 3-Gun game, you could probably “clean” most stages with a 2-MOA rifle. By contrast, in the short-range group benchrest game, to compete with the best, you’ll need a rifle that shoots in the “ones” (i.e. 0.1-0.19 MOA) in perfect conditions. In 1000-yard F-Class competition, the top shooters want a rifle that will hold one-third-MOA of vertical at that distance.

What is your standard of accuracy? How good is “good enough”. Jim See, a skilled gunsmith and successful PRS competitor, recently answered that question for his tactical discipline. For the kind of matches Jim shoots, he likes to have a rifle that will hold half-MOA for five (5) shots, 3/4-MOA for 15 shots, and 1 MOA for twenty shots. Remarkably, Jim’s rifle can do that with factory ammo. Above is an impressive 15-shot group shot with .260 Remington Federal Premium Ammo.

Jim See Elite Accuracy

“I say it all the time, my loads need to print 5 under 1/2″, 10 under 3/4″, and 20 under 1″. It’s simple, if a hot barrel will keep 20 rounds fired in succession under my standard it will be a good barrel and load for Precision Match Shooting. Federal Premium Gold Metal Match .260 with Sierra bullets made the cut for me today. 15 consecutive shots under 3/4 MOA.” –Jim See

It’s said that you “can never have too much accuracy”, but there are acceptable standards for each discipline, and they’re not the same. A 100/200 yard Benchrest shooter will be sorely disappointed with a rifle/ammo set-up that can only deliver half-MOA. On the other hand, a PRS competitor like Jim See can achieve great success with a lesser degree of precision. This means you can save time and money. You can run your barrels longer between cleanings, and you don’t have to go “full OCD” when loading your ammo. The PRS shooter does not need to weigh-sort primers, or load powder to single-kernel standards. Proof is the performance. Jim See recently took third place at the Spearpoint Shootout, and he has been a podium finisher at other events. Learn more about Jim’s gunsmithing and training operations at EliteAccuracy.com.

Download This Load Development Target

Jim’s target seemed a bit familiar. AccurateShooter.com created this Diamond and Dot Target a few years back. On each aiming point, there are high-contrast black horizontal and vertical lines for aligning your cross-hairs. The gray circle lets you see the bullet impacts above, without obliterating the red diamond, which is quite useful for precise aiming (we put fine cross-hairs on the points of the diamond). This target sheet includes data entry tables below each of the three aim points. There are many other free targets out there, but this format is very popular. We’re pleased to see Jim using it. You can download this and dozens of other FREE Targets from the AccurateShooter.com Target Page.

AccurateShooter precision load development free target

Permalink - Articles, Competition, Shooting Skills No Comments »
August 15th, 2022

Interesting Cartridge Comparisons from Brownells

Brownells video archive youtube channel AR15 6.5 Creedmoor Grendel SPC .308 Winchester 7.62x51

Brownells is a well-known retailer of guns, gun parts, tools, accessories, ammo, and pretty much everything gun related. Brownells has a very active video production department that releases new “how-to” and product information videos every week. These videos offer helpful advice on gun cleaning/maintenance, reloading, as well as selecting/assembling components for various kinds of rifles. There now over 1000 videos on the Brownells YouTube Channel, this really is a remarkable resource.

One of our favorite regular Brownells video features are the Quick Tip Cartridge Comparisons. Brownells tech staffers look at a pair of cartridge types and reveal the noteworthy differences. Here are three recent Cartridge Comparison videos from Brownells.

6.5 Creedmoor vs. .260 Remington

Brownells Gun Tech Caleb Savant compares and contrasts the 6.5 Creedmoor rifle cartridge with the older .260 Remington. Both cartridges are often loaded to nearly the same overall length (OAL), but with more of the bullet inside the neck for the .260 Rem. The .260 Remington is basically a .308 Winchester necked down to 6.5mm (.264″). The 6.5 Creedmoor has a shorter case, with a more modern 30-degree shoulder angle. With the same cartridge OAL, that can make it possible to load longer-ogive, higher-BC bullets. However, with a long-freebore chamber, the .260 Rem can certainly run any high-BC 6.5mm bullet made.

The .260 Remington can, theoretically, generate a bit more velocity at the muzzle because its longer case holds a bit more powder. However, with high-quality Lapua brass, in the real world, the 6.5 Creedmoor comes pretty darn close to .260 Rem performance with any given bullet weight. Moreover, the 6.5 Creedmoor is available with small primer pocket brass from Lapua. This brass may give a higher number of reloading cycles before case-head expansion becomes a problem. For the hunter, both choices are good, but the older .260 Rem may feed a bit better from a magazine, given the .260’s case taper and longer body. Overall, we favor the 6.5 Creedmoor for its versatility and efficiency, but the .260 Rem is a good cartridge too.

6.8 SPC vs. 6.5 Grendel

Brownells Gun Tech Caleb Savant compares two medium-caliber cartridges that can work in AR15-platform rifles: the 6.5 Grendel and the 6.8 SPC (aka 6.8mm Remington “Special Purpose Cartridge”). The 6.5 Grendel is typically loaded with a high-BC .264″ bullet, while the 6.8 SPC has a larger-diameter .277″ bullet. Both have the same 2.26″ OAL as the AR-15’s standard .223 Remington / 5.56 NATO round. The big difference is the 6.5 Grendel’s faster velocity and flatter trajectory. With the same bullet weight, Brownells says the 6.5 Grendel will be about 100 fps faster than the 6.8 SPC. Given a 100-yard zero, the 6.5 Grendel will drop about 8.5″ at 300 yards, while the 6.8 SPC will drop 10.5″ at the same range. The 6.5 Grendel is probably a better choice for long-range targets, at least when loaded with a higher-BC bullet. A big difference is brass. You can get superb Lapua brass for the 6.5 Grendel. Not so for the 6.8 SPC, which really has never developed into a widely popular accuracy round.

7.62×51 NATO vs. .308 Winchester (Subtle differences)

Brownells Technician Caleb Savant talks about the .308 Winchester and 7.62x51mm NATO. Most shooters know that both rounds have the same external dimensions. In fact, the military 7.62×51 was developed from the civilian .308 Winchester. So… can they be used interchangeably? The 7.62×51 cartridge normally can be fired from any rifle chambered in .308 Winchester because the 7.62 is spec’d for a lower pressure than SAAMI max in the .308 Win. However, we have encountered some British and Austrian 7.62×51 NATO milsurp ammo that was VERY hot — more than a typical commercial .308 Win Load. Accordingly you should always be careful when shooting new 7.62×51 ammo in your rifles. Likewise you should be careful about shooting higher-pressure .308 Win in some 7.62 NATO rifles. The 7.62×51 NATO chamber is slightly longer, and the cartridge’s case is typically a bit thicker, so it will “flow” and expand into the extra space. NOTE: Some newer rifles with 7.62×51 NATO chambers ARE made to handle .308 Win ammo. Check the owner’s manual or contact your rifle’s manufacturer to find out for sure.

.44 Magnum vs. .45 Long Colt — Great Wheelgun Cartridges

Brownells Gun Tech Steve Ostrem does a quick compare-and-contrast of the .44 Magnum and .45 Long Colt — two of the most popular revolver cartriges. The .45 LC debuted in the 1870s, when the steel used in revolvers was much weaker than modern steel, so it’s typically loaded as a low-pressure cartridge. The .44 Magnum was developed in the 1950s specifically for hunting, and stronger modern gun steels meant revolvers could be built to handle its much greater pressures. Full-power commercial .44 Magnum ammunition tends to be easier to find. The .45 Colt you find at the gun store is loaded mildly so folks don’t blow up their vintage revolvers! BOTH cartridges are great for handloading because they have straight-wall cases and can handle a wide variety of powders and bullet weights. Dies, brass, and bullets are readily available for both. If you don’t handload but want a hunting revolver, .44 Magnum is the better choice, as there’s more FULL-power factory ammo available.

Permalink - Videos, Bullets, Brass, Ammo, Gear Review 1 Comment »
March 19th, 2020

How Much Accuracy is Enough — What Works for Your Discipline?

Jim See Elite Accuracy
This impressive 15-round group was shot by Jim See of Elite Accuracy.

Different Shooting Disciplines Demand Different Levels of Precision/Accuracy
In the rapid-fire 3-Gun game, you could probably “clean” most stages with a 2-MOA rifle. By contrast, in the short-range group benchrest game, to compete with the best, you’ll need a rifle that shoots in the “ones” (i.e. 0.1-0.19 MOA) in perfect conditions. In 1000-yard F-Class competition, the top shooters want a rifle that will hold one-third-MOA of vertical at that distance.

What is your standard of accuracy? How good is “good enough”. Jim See, a skilled gunsmith and successful PRS competitor, recently answered that question for his tactical discipline. For the kind of matches Jim shoots, he likes to have a rifle that will hold half-MOA for five (5) shots, 3/4-MOA for 15 shots, and 1 MOA for twenty shots. Remarkably, Jim’s rifle can do that with factory ammo. Above is an impressive 15-shot group shot with .260 Remington Federal Premium Ammo.

Jim See Elite Accuracy

“I say it all the time, my loads need to print 5 under 1/2″, 10 under 3/4″, and 20 under 1″. It’s simple, if a hot barrel will keep 20 rounds fired in succession under my standard it will be a good barrel and load for Precision Match Shooting. Federal Premium Gold Metal Match .260 with Sierra bullets made the cut for me today. 15 consecutive shots under 3/4 MOA.” –Jim See

It’s said that you “can never have too much accuracy”, but there are acceptable standards for each discipline, and they’re not the same. A 100/200 yard Benchrest shooter will be sorely disappointed with a rifle/ammo set-up that can only deliver half-MOA. On the other hand, a PRS competitor like Jim See can achieve great success with a lesser degree of precision. This means you can save time and money. You can run your barrels longer between cleanings, and you don’t have to go “full OCD” when loading your ammo. The PRS shooter does not need to weigh-sort primers, or load powder to single-kernel standards. Proof is the performance. Jim See recently took third place at the Spearpoint Shootout, and he has been a podium finisher at other events. Learn more about Jim’s gunsmithing and training operations at EliteAccuracy.com.

Download This Load Development Target

Jim’s target seemed a bit familiar. AccurateShooter.com created this Diamond and Dot Target a few years back. On each aiming point, there are high-contrast black horizontal and vertical lines for aligning your cross-hairs. The gray circle lets you see the bullet impacts above, without obliterating the red diamond, which is quite useful for precise aiming (we put fine cross-hairs on the points of the diamond). This target sheet includes data entry tables below each of the three aim points. There are many other free targets out there, but this format is very popular. We’re pleased to see Jim using it. You can download this and dozens of other FREE Targets from the AccurateShooter.com Target Page.

AccurateShooter precision load development free target

Permalink Bullets, Brass, Ammo, Competition 2 Comments »
April 15th, 2019

Six-Five Smackdown: The .260 Remington vs. 6.5×55 Swedish

6.5x55 SE, 6.5 Swedish 6.6x55mm .260 Rem Remington Laurie Holland comparison

The .260 Remington and the 6.5×55 Swedish (aka 6,5x55mm SE) are both very popular cartridges with hunters and target shooters. The 6.5×55 has a long military heritage and a great record as a hunting round. The .260 Rem, essentially a .308 Win necked down to .264 caliber, is a more recent cartridge, but it grows in popularity every year, being one of the top cartridges for tactical/practical competitions. It offers better ballistics and less recoil than the parent .308 Win cartridge. In our Shooter’s Forum, respected UK gun writer Laurie Holland provided a good summary of the differences between the two chamberings. Laurie writes:

Remington 260 CartridgeThe 6.5×55 case has 6 or 7% more capacity than the .260s, even more in practice when both are loaded to standard COALs with heavy bullets, which sees them having to seated very deep in the .260 Rem using up quite a lot of powder capacity. So loaded up for reasonable pressures in modern actions, the 6.5×55 will give a bit more performance.

The issue for many is what action length is available or wanted, the 6.5×55 requiring a long action. So sniper rifle / tactical rifle competitors will go for the .260 Rem with the option of the many good short-bolt-throw designs around with detachable box magazines (DBMs). If a bit more performance is needed, the .260 AI (photo right) can yield another 100-150 fps velocity, depending on bullet weight.

(more…)

Permalink - Articles, Reloading, Tech Tip 12 Comments »
May 2nd, 2017

SOCOM Considers New 6.5 mm Chamberings for Semi-Auto Rifles

U.S. Special Operations 6.5 Creedmoor .260 Remington SOCOM
Cartridge photo courtesy Rifleshooter.com.

According to Military Times, the U.S. Special Operations Command (SOCOM) is considering replacing the 7.62×51 NATO in semi-auto sniper rifles with a mid-size 6.5 mm cartridge. The two leading candidates are the 6.5 Creedmoor and the .260 Remington. These 6.5 cartridges would deliver a flatter trajectory, better long-range ballistics, and reduced recoil compared to the 7.62×51 NATO (aka .308 Winchester). While the .260 Rem enjoys a case capacity edge over the 6.5 Creedmoor, in the real world, performance is similar — both cartridge types can push a 130gr bullet to velocities around 2900 fps. (See Sierra 6.5 CM Load Data.)

Military Times Reports:

“Major Aron Hauquitz told Military Times Tuesday that SOCOM is in the preliminary stages of exploring a sniper rifle chambered in the 6.5 mm caliber. The two commercially available rounds being evaluated are the .260 Remington and the 6.5 mm Creedmoor.

Research shows that both rounds will ‘stay supersonic longer, have less wind drift and better terminal performance than 7.62 mm ammunition’, SOCOM officials said.

‘We’re purely in the exploratory phase’. Hauquitz said. ‘We’re trying to see if we can take a weapon that is 7.62 and give it greater range, accuracy and lethality.'”

U.S. Special Operations 6.5 Creedmoor .260 Remington SOCOM

The SOCOM representative indicated that test rifles in 6.5 Creedmoor and/or .260 Remington might be issued to test teams later this year, but there was no issue date in place yet. Hauquitz said the 6.5 mm exploration came out of preliminary results of the Small Arms Ammunition Configuration study, which assesses commercially available ammunition and new ammo technologies.

SOCOM Also Considering Polymer Cartridges
The Military Times report also revealed that SOCOM is considering polymer-cased rifle ammunition, with the goal of reducing load weight. SOCOM’s research shows that a polymer-cased mid-sized 6.5 mm cartridge could be one-third lighter than conventional brass-cased 7.62×51 ammo. That means the next-generation 6.5 mm ammo could “come in at 5.56×45 mm weight ranges”. While SOCOM is seriously looking at this new option, polymer-cased ammo will NOT be required for SOCOM’s new semi-auto rifle. In other words, if the polymer ammo is not ready, that “would not delay potential fielding of a 6.5 mm rifle” according to Maj. Hauquitz.

Permalink News, Tactical 6 Comments »
March 30th, 2016

6.5mm Cartridge Overview — Laurie Holland’s Opus

Laurie Holland 6.5mm Cartridge Target Shooter UK Magazine

Are you a fan of 6.5mm rifle cartridges? Then you should visit TargetShooter Magazine and read Laurie Holland’s latest “magnum opus”. Laurie recounts the development of 6.5mm rifle cartridges and examines a host of “six-fives” including the well-known 6.5×55 Swede and more esoteric cartridges such as the 6.5×58 Vergueiro. Laurie looks at a variety of military 6.5mm cartridges, including Japan’s 6.5×50 Arisaka, as well as some big 6.5mm Magnums. This Editor shot a .260 Remington (essentially a necked down .308 Win) for quite a while. I was pleased to see that Laurie discusses the .260 Rem, along with its bigger brother, the 6.5-06.

READ Laurie Holland 6.5mm Cartridge Overview

Part One of a four-part series, this is a LONG article, which runs over 4000 words. There are more than a dozen photographs, showing both cartridge types and bullet types. In addition, cartridge specs are presented in two detailed tables. Here is a list of the notable 6.5mm cartridges Laurie references (and we may have missed a few):

6.5×47 Lapua
.260 Remington (6.5-08)
6.5×50 (Arisaka)
6.5×52 Carcano
6.5x53R Mannlicher
6.5×54 Mannlicher-Schoenauer
6.5×55 Swedish
6.5×57 Mauser
6.5×58 Vergueiro
6.5×68 RWS
6.5-284 Norma
6.5-06 (6.5/.30-06)
6.5mm Remington Magnum
.264 Winchester Magnum

Laurie Holland 6.5mm Cartridge Target Shooter UK Magazine
In early 20th century the 6.5x54mm Mannlicher-Schoenauer was a highly-regarded hunting cartridge.

Here is a sample from Laurie’s 6.5mm Cartridge History:

The 6.5×55 Swedish Mauser and Other Early Designs
Thanks to the 6.5X55mm and its common name of ‘Swedish Mauser’ (it was a joint Swedish / Norwegian military development truth to tell), not forgetting first rate Lapua, Norma, and Sako ammunition and components, many associate the 6.5s with Scandinavian countries. However, the two Nordic nations weren’t alone in adopting 6.5mm designs during the back end of the 19th century, moreover Germany and Austria did as much to popularize the caliber. The Netherlands, Italy, Japan, Romania, Portugal and Greece took the small caliber military route too, although some later decided to convert at least partially to larger bores.

However, once armies started to adopt lighter, pointed bullets at improved velocities in the .30-class designs starting with the German 7.92mm 153gr bulleted S-Patrone of 1905 which produced the then astonishing MV of 2900 fps in the G98 rifle, the 6.5s lost out as contemporary propellants couldn’t handle smaller calibers as efficiently. It’s significant that while some early users moved to larger caliber service rifles, no country [other than Japan] has adopted 6.5mm in the last 110 years although there have been some unsuccessful initiatives recently.

Prior to WW2, there had only been a single American attempt to produce a 6.5, the brilliant cartridge designer and riflemaker Charles Newton with his eponymous 256 design of 1913 which used a shortened and necked-down 30-06 case. The Western Cartridge Company loaded ammunition for Newton, a 129gr expanding bullet at a claimed 2760 fps MV and obtained in a longer barrel than those fitted to production rifles.

Laurie Holland 6.5mm Cartridge Target Shooter UK Magazine
RWS introduced the powerful 6.5X68mm in 1939 and it is still in use in Europe.

Permalink - Articles, Bullets, Brass, Ammo 5 Comments »
July 6th, 2015

ABM Ammo Releases .260 Rem Ammunition with Berger Hybrids

ABM Ammunition Ammo .260 260 Remington 6.5mm 6.5-08 Tactical, long range
Many tactical shooters have adopted the .260 Remington as an alternative to the heavier-recoiling .308 Winchester. The .260 Rem has also performed well in the hands of long-range High Power shooters such as SSG Sherri Jo Gallagher, past National High Power Champion. The .260 Remington is basically the .308 Win necked down to .264 (6.5 mm) caliber. It can launch very high-BC 130-142 grain projectiles at impressive velocities. The ballistics of the .260 Rem allow it to shoot flatter, with less wind drift, than typical .308 Win loads.

For fans of the .260 Remington, very high-quality factory ammo is now available. ABM Ammo, a division of Berger Bullets just announced that it will produce two varieties of .260 Remington ammo.

ABM’s 260 Remington 140gr Berger Match Hybrid Target ammo is designed for class-leading ballistic and superior accuracy. Using the highest-BC 6.5 mm caliber bullet offered by Berger, the 140gr Hybrid, this load features less wind deflection and more energy on target than the competition. ABM claims that this Match Hybrid ammo is “unrivaled as a long-range 260 Remington factory ammo option.” Since it pushes a higher-BC bullet than other .260 Rem factory ammo, we’d have to agree with that statement.

Match Ready 260 Remington 140gr Berger Match Hybrid Target Specifications

Distance (yds) Muzzle 100 200 300 400
Velocity (fps) 2789 2642 2500 2363 2229
Energy (ft-lb) 2418 2171 1944 1735 1545
Bullet Details
G1 BC 0.618
G7 BC 0.317

Performance based on a 26″ barrel and sea level conditions.

Mission Ready .260 Rem OTM Tactical Load for Mag-Fed Rifles
ABM Ammo also offers .260 Rem factory ammo loaded with the NEW 130gr AR Hybrid bullet. The .260 Rem 130gr Berger Match AR Hybrid OTM Tactical load is optimized for the AR-10 platform or any magazine-fed rifle. Berger’s 130gr AR Hybrid bullet offers a 0.290 G7 BC. That’s very close to the 0.317 BC of the longer 140gr Hybrid. This, combined with a 2847 FPS muzzle velocity, provides excellent performance in a shorter COAL that feeds perfectly from box magazines.

ABM Ammunition Ammo .260 260 Remington 6.5mm 6.5-08 Tactical, long range

In fact, if you run the ballistics (using JBM) using ABM’s published MVs, you’ll find that you give up nothing with the shorter bullet. At 600 yards, the 130gr “Mission Ready” load has 78.8″ (12.5 MOA) of drop. By comparison, the “Match Ready” load with 140-grainers has 80.3″ (12.8) MOA of drop at 600 Yards (That’s not a mistake — the smaller bullet has LESS drop because it has a higher MV to start.) At 1000 yards, the “Mission Ready” load is virtually identical to the “Match Ready” load: The 130gr ammo has 304.6″ (29.1 MOA) of drop at 1000 vs 303.4″ (29.0 MOA) for the 140gr ammo at the same distance. (These calculations are based on standard conditions at sea level, with ABM supplied MVs.)

Because the ballistics are so close, you may want to try both loads in your .260 Rem rifle, even if you single-load and are not restricted by mag length. Some barrels may have a preference for one bullet over the other.

Product Tip from EdLongRange. We welcome reader submissions.

Permalink Bullets, Brass, Ammo, New Product 2 Comments »
December 30th, 2014

.260 Remington in the AR-10 Platform — A Smart Solution

The AR-10 was designed to handle the 7.62×51/.308 Winchester and other .308 “family” cartridges such as the .243 Win and .260 Remington. Our friend Dennis Santiago recently put together an AR-10 to shoot the accurate .260 Rem cartridge. Here is his initial report:

AR-10 Platform Chambered for .260 Remington by Dennis Santiago
I was very curious to see how the .260 works in the AR-10 compared to a .308. I’ve always thought about chambering a bolt gun in .260 but before doing so I thought it’d be good to try it using a less expensive entry point. With an AR platform’s easy interchanging of barrels, it seem like the best way to test out the .260 Rem chambering. So far, it’s most impressive.

DPMS LR-308 in .260 Remington getting function cycle tuned and zeroed
.260 Rem AR10 AR-10 Scenar H4350

I took the AR-10-type .260 Rem a step closer to being ready for matches yesterday. The first order of business was to confirm which buffer spring to use with both the 123 grain and 140 grain bullet loads. My .260 Rem loads, on average, are using 4-5 grains less powder than the .308 loads. In a semi-automatic action that means less gas/energy to work the mechanics. The solution in an AR-10 platform is to either cut coils in the .308 spring or use a weaker AR-15 buffer spring; yup they are not the same. In this case, a CS flat spring for the AR-15 did the trick.

I also put a very nice NightForce Benchrest 12-42x56mm scope that came via friend Mark Gravitt on it and got zeros. This scope’s 1/8th MOA clicks are nice. The AR-10 had previously mounted a NightForce F1, a more “field tactical” 3-15X system. This 12-42X scope now sets this gun up as more of a target cannon. Field of view is limited when your minimum magnification is twelve. Maybe I’ll put an auxiliary red dot on it just to find the target.

.260 Rem AR10 AR-10 Scenar H4350

Pet Loads: H4350 and Lapua 123gr Scenars
Comment by Daily Bulletin Editor
Over a two-year period, this Editor put a lot of rounds through a .260 Remington. I did a ton of load testing with that Savage-actioned rifle (before it was rebarreled as a 6mmBR Norma). I tried two dozen load recipes with five different powders and bullets ranging from 100 grains to 142 grains. Hodgdon H4350 was my “go-to” powder. As many 260 Rem shooters have discovered, H4350 is a winner in the .260 Rem. This propellant delivered the lowest ES in my rifle and nothing beat H4350 for consistent accuracy with bullets in the 120-140 grain range. My most accurate load was with Lapua 123gr Scenars, pushed by H4350 and CCI 250 primers. The 123gr Scenars worked well jumped as well as seated into the lands. Best accuracy, in my 24″-barreled .260 Rem, was right about 2950 fps. Other powders work well, but H4350 is a very good choice for the .260 Remington (as well as the smaller 6.5×47 Lapua cartridge).

Permalink Reloading, Tactical 8 Comments »
October 22nd, 2014

Quick Comparison of Popular 6.5mm Rifle Cartridges

6.5 Cartridge Guide Eben Brown EABco e. arthur brown 260 rem 6.5x47 6.5 creedmoor 6.5x55
Chart created with Ammoguide’s Visual Comparison Tool. Visit Ammoguide.com to learn more.

by Eben Brown, EABCO.com, (E. Arthur Brown Co. Inc.)
The current popularity of 6.5mm cartridges in the USA has been a long time in coming. I won’t go into my opinions on why it took so long to catch on. The important thing is that it finally HAS caught on and we’re now so fortunate to have a wide selection of 6.5mm cartridges to choose from!

6.5mm Grendel – Developed by Alexander Arms for the AR15 and military M4 family of rifles. The Grendel fits the dimensional and functional requirements of these rifles while delivering better lethality and downrange performance. There are now similar cartridges from other rifle companies. We chamber for the Les Baer “264 LBC-AR”. Designed for velocities of 2400-2500 fps with 123gr bullets, it shoots the 140-grainers at about 2000 fps (for comparison purposes).

6.5mm BRM – Developed by E. Arthur Brown Company to give “Big Game Performance to Small Framed Rifles” — namely our Model 97D Rifle, TC Contender, and TC Encore. Velocities of 2400-2500 fps with 140gr bullets puts it just under the original 6.5×55 Swede performance.

6.5mm x 47 Lapua – Developed by Lapua specifically for international 300m shooting competitions (with some interest in long-range benchrest as well). Case capacity, body taper, shoulder angle, and small rifle primer are all features requested by top international shooters. You can expect velocities of 2500-2600+ with 140 gr bullets.

6.5mm Creedmoor – Developed by Hornady and Creedmoor Sports, the 6.5mm Creedmoor is designed for efficiency and function. Its shape reaches high velocities while maintaining standard .308 Winchester pressures and its overall length fits well with .308 Win length magazines. You can expect velocities of 2600-2700+ fps with 140gr bullets.

.260 Remington – Developed by Remington to compete with the 6.5mmx55 Swedish Mauser that was (finally) gaining popularity in 1996. By necking down the 7mm-08 Remington to 6.5mm (.264 cal), the .260 Remington was created. It fit the same short-action [receivers] that fit .308 Win, .243 Win, 7mm-08 Rem, etc. You can expect velocities of 2600-2700 fps with 140gr bullets in the 260 .Remington.

[Editor’s Note: In the .260 Rem, try the Lapua 120gr Scenar-Ls and/or Berger 130gr VLDs for great accuracy and impressive speeds well over 2900 fps.]

6.5mm x 55 Swedish Mauser – This was the cartridge that started the 6.5mm craze in the USA. It is famous for having mild recoil, deadly lethality on even the biggest game animals, and superb accuracy potential. Original ballistics were in the 2500 fps range with 140gr bullets. Nowadays handloaders get 2600-2700+ fps.

[Editor’s Note: Tor from Scandinavia offers this bit of 6.5x55mm history: “Contrary to common belief, the 6.5×55 was not developed by Mauser, but was constructed by a joint Norwegian and Swedish military commission in 1891 and introduced as the standard military cartridge in both countries in 1894. Sweden chose to use the cartridge in a Mauser-based rifle, while Norway used the cartridge in the Krag rifles. This led to two different cartridges the 6.5×55 Krag and 6.5×55 Mauser — the only real difference being safe operating pressure.”]

6.5-284 Norma — This comes from necking the .284 Winchester down to .264 caliber. Norma standardized it for commercial ammo sales. The 6.5mm-284 was very popular for F-Class competition and High Power at 1,000 yards. However, many F-Class competitors have switched to the straight .284 Win for improved barrel life. 6.5-284 velocities run 3000-3100+ fps with 140gr bullets.

.264 Winchester Magnum – Developed by Winchester back in 1959, the .264 Win Mag never really caught on and may have delayed the ultimate acceptance of 6.5mm cartridges by US shooters (in my opinion). It missed the whole point and original advantage of 6.5 mm cartridges.

The Original 6.5mm Advantage
The special needs of long-range competition have skewed things a little. However the original advantages of 6.5mm cartridges — how deadly the 6.5mms are on game animals, how little recoil they produce, and how easy they are to shoot well — still hold true today.

6.5 Cartridge Guide Eben Brown EABco e. arthur brown 260 rem 6.5x47 6.5 creedmoor 6.5x55

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June 12th, 2014

The Great Debate: .260 Rem vs. 6.5×55 — Which Is Better?

One of our Shooters’ Forum readers, Trent from Louisiana, asked for help deciding between a .260 Remington and a 6.5×55 for his latest gun project. In the Forum thread, respected UK gun writer Laurie Holland provided a good summary of the differences between the two chamberings. Laurie writes:

Remington 260 Cartridge“The 6.5×55 case has 6 or 7% more capacity than the .260s, even more in practice when both are loaded to standard COALs with heavy bullets, which sees them having to seated very deep in the .260 Rem using up quite a lot of powder capacity. So loaded up for reasonable pressures in modern actions, the 6.5×55 will give a bit more performance.

The issue for many is what action length is available or wanted, the 6.5 requiring a long action. So sniper rifle / tactical rifle competitors will go for the .260 Rem with the option of the many good short-bolt-throw designs around with detachable box magazines. If a bit more performance is needed, the .260AI gives another 100-150 fps depending on bullet weight.

Brass-wise, you’ve got really good Lapua 6.5×55 off the shelf that needs minimum preparation, and it’s strong and long-lived. There is an Ackley version too that was popular in F-Class in Europe for a while that isn’t too far short of 6.5-284 performance. If you go for .260 Rem, the American brass isn’t as good but you can neck-up Lapua or Norma .243 Win and trim them (or neck-down .308 Win or 7mm-08). This has the downside that doing so usually creates a noticeable ‘doughnut’ at the case-shoulder junction, that may cause problems depending on how deep bullets are seated. [Editor’s Note: After Laurie wrote this, Lapua began producing high-quality .260 Remington brass.]

Laurie HollandFor purely target shooting, I think I’d go with 6.5×55 if I was making the choice again today for performance and brass-preparation reasons. In fact, I’ve considered going back to the gunsmith to have the barrel rechambered.

You want a multi-purpose rifle though and that makes things trickier depending on the bullet weight(s) you want to use. The [typical] 6.5×55 and 6.5-08 throats are really designed for 140s, so 90-120s make a long jump into the rifling. If you’re always going to use 130s and up, it’s less of an issue. If you want to use the lighter stuff, I’d say go for .260 Rem and discuss the reamer with the gunsmith to come up with as good a compromise as you can depending on the mix of shooting. 1:8.5″ twist is the norm and handles all the usual sporting and match bullets; you can go for a little slower twist if you won’t use the heavies.

Over here in the UK, in Scotland to be precise, we have a top sporting rifle builder (Callum Ferguson of Precision Rifle Services) who almost specializes in .260 Rem usually built on Borden actions. He throats the barrel ‘short’ so it’s suited to varmint bullets, but will still handle the 100gr Nosler Partition which he says is more than adequate for any British deer species including Scottish red stags.

Accuracy-wise, I don’t think there’s anything between them if everything else is equal. The 6.5 has a reputation for superlative accuracy, but that was high-quality Swedish military rifles and ammunition matched against often not-so-high-quality military stuff from elsewhere. Put the pair in custom rifles and use equally good brass and bullets and you’ll be hard pressed to tell them apart.” – Laurie Holland

Remington 260 CartridgeAfter Laurie’s helpful comments, some other Forum members added their insights on the .260 Rem vs. 6.5×55 question:

“To me, the .260 Remington has no advantage over the 6.5×55 if one is going to use a long action. Likewise, the only advantage the .260 has in a modern rifle is it can be used in a short-action. There is more powder capacity in the 6.5×55 so you have the potential to get more velocity plus there is a lot of reloading data available to you for loading at lower velocity/pressure if you choose. The Lapua brass is great and Winchester brass is pretty good at low pressures. Having loaded a good bit for both, the 6.5×55 would always get the nod from me. To me, if someone wants to use a short-action, the 6.5×47 Lapua is even a better option than the .260 for a target rifle.” — Olympian

“There is just one small item that has been missing from this conversation — the 6.5×55 has a non-standard rim diameter of .479″ vs. the standard .473″ of a .308 and all of its variants. Depending on your bolt this may be an issue, or it may not.” — Neil L.

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July 20th, 2011

EuroOptic’s Super Deal on SAKO TRG42 in .338 Lapua Magnum

If you’ve ever lusted for a SAKO TRG42 in .338 Lapua Magnum, now’s the time to break out the checkbook. This could be the deal of the decade. EuroOptic.com is selling brand new, .338 LM SAKO TRG42s for just $2250.00. That is not a misprint. For a limited time (while supplies last), EuroOptic is offering AccurateShooter.com readers new TRG42s in .338 Lapua Magnum for just $2250.00 — that’s over $1000.00 cheaper than the price at some other gun vendors. This was a special purchase, and inventory is limited, so don’t delay. The TRG42s have black furniture with a matte black barrel finish (not phosphate), and no Picatinny rail. The $2250.00 price applies only to black-stock models, chambered in .338 LM. Shop around and you’ll see you can’t come close to this price on a new TRG42 anywhere else. If you order, mention AccurateShooter.com to get the $2250.00 special price.

SAKO TRG42 in .338 Lapua Magnum for $2250.00
Sako TRG 42 338 Lapua Magnum

EuroOptic Exclusive: .260 Remington TRG22s
Want a SAKO TRG22 chambered in .260 Remington? Well you won’t find one at your local gunstore. EuroOptic.com commissioned a special run of .260 Rem TRG22s, SNs 0XX-200, and they are now in stock. These are fitted with 26″, 1:8″ twist, black phosphate-coated barrels. Actions come with milspec Picatinny rails pre-installed. Four different stock finishes are currently available: Matte Black, Remington Green, Desert Digital Camo, and Woodland Digital Camo. The Camo stock sets are an Eurooptic exclusive — not available anywhere else. These are very special rifles, and with the high interest in the .260 Rem cartridge (which won the National High Power Championship in the hands of SGT Sherri Gallagher), you can expect the rifles to sell out quickly. Price for the .260 Rem TRG22s in black and green is $3100.00. The Digital Camo versions are priced somewhat higher, at $3350.00. Shown below is a the TRG22 in Desert Digital. If you have questions, call (570) 220-3159 and ask for Jason Baney. CLICK HERE for sale info and rifle specs.

Sako .260 Rem Remington TRG 22

SAKO TRG 22 Rifle Technical Data (Factory flyer)

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