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December 7th, 2011

New Tactical Advantage Cleaner from the Makers of Wipe-Out

Tactical Advantage bore and gun cleaning semi-autosSharp Shoot R™ Precision Products, the makers of Wipe-Out foam bore cleaner, has a new cleaning product designed for ARs and other semi-autos that tend to run dirty and accumulate carbon. Sharp Shoot R’s new Tactical Advantage™ is a very carbon-aggressive bore cleaner that will remove copper fouling as well as powder fouling with a minimum of effort. Run it on a patch (or nylon brush) to dissolve carbon and copper fouling in the bore. Mix it 50/50 with water and spray it on the bolt, muzzle brake, and other parts which accumulate soot and carbon in regular use.

When sprayed on bolt carriers, bolts, and brakes, Tactical Advantage will dissolve carbon on contact — without ammonia or acids in the formula. In fact the chemistry in Tactical Advantage actually protects metal from corrosion after it cleans.

Terry Paul, Sharp Shoot R’s owner and chemistry wizard, says that: “Tactical Advantage has been designed to be a maximum-strength product. In our testing we found that Tactical Advantage was capable of dissolving more fouling faster than any product currently on the market. We developed this product with the aid and consultation of competitive shooters, gunsmiths, barrel makers, and tactical firearms manufacturers. The R&D team produced a revolutionary new type catalyst that provides exceptional cleaning power.” We’ve heard similar claims about many other gun cleaners, but Tactical Advantage has some interesting properties:

Tactical Advantage bore and gun cleaning semi-autos

  • Tactical Advantage is odorless, and contains NO ACID and NO AMMONIA.
  • Tactical Advantage is safe for all steels (both stainless and carbon) and all metal plating (including chrome-lined barrels).
  • Tactical Advantage is harmless to modern gunstock finishes on wood, carbon fiber, or fiberglass. (However, it is not for use on shellac, varnish, or oil finishes.)
  • Tactical Advantage cannot gum or leave behind solids that render the firearm useless.
  • Tactical Advantage is effective on copper fouling, and it aggressively dissolves carbon fouling on contact.

Tactical Advantage — Suggested Cleaning Procedures

Bore Cleaning — With the breach open, apply into the barrel with a patch or nylon brush which has been wetted with the solution. Place the firearm down horizontally on the bench. Wait for 15 to 20 minutes. Put a clean cotton patch on a good jag and push through the bore. Or run two strokes through the bore with a nylon brush and Tactical Advantage will produce a thick lather. Allow it to set as per original instructions for faster results.

Bore Swabbing During Matches — You can use Tactical Advantage as a barrel swab in between relays or between shot strings to remove powder fouling and begin the job of dissolving carbon and copper. This method is a quick solution that works for High Power shooters who have limited time to clean their firearms between relays.

Parts Cleaning — Mix Tactical Advantage 50/50 with water in a spray bottle. Spray dirty parts fouled with powder residue or carbon. Use same method for muzzle brakes and suppressors.

Tactical Advantage costs $15.99 (MSRP) for a 8 oz. plastic bottle that will clean as many guns as two cans of Wipe-Out foam. Get Tactical Advantage from major vendors, or order direct from:

Sharp Shoot R Precision Products®
P.O. Box 171
Paola, Kansas
email: getinfo [at] sharpshootr.com
phone: 785-883-4444

Product Tip from EdLongrange. We welcome readers submissions.
Permalink Gear Review, New Product No Comments »
December 5th, 2011

Forum Member Slays Prairie Dog at 1032 Yards with 20BR Savage

In our latest AccurateShooter.com feature story, we cover the quest of Forum member VolDoc to nail a Prairie Dog at 1000+ yards with a .20-caliber rifle. If you’re a fan of the “Terrific 20s”, or have an interest in ultra-long-range varminting, you’ll enjoy this story. VolDoc, a dentist by trade, is a seasoned Prairie Dog Hunter who has made many trips to the P-Dog fields in Colorado with his hunting buddies. But until recently he had never managed to nail a P-Dog at 1000 yards with a .20-caliber rifle. Nor, as far as we can determine, had any one else. But VolDoc did it — accomplishing a verified Prairie Dog kill at 1032 yards, possibly the longest recorded with a .20-Caliber rifle.

READ VolDoc’s .20-Cal 1000-Yard Prairie Dog Quest Article

Voldoc Savage 20BR 1000 yard Prairie Dog

Modified Hart-Barreled 20BR Savage Does the Job
Shooting Prairie Dogs at extreme long range takes highly specialized equipment. To make his 1032-yard kill shot, VolDoc used a modified Dual-Port Savage chambered in 20 BR. The stock was geometrically-uniformed and pillar-bedded by smith Kevin Rayhill, who fitted a 28″ Hart barrel with a Rayhill muzzle brake. VolDoc loaded his 20BR with 55gr Berger BT LR Varmint bullets (0.381 G1 BC) pushed by a stout charge of Hodgdon Varget.

Voldoc 20BR Savage Rayhill

It took good conditions, and patience to make the successful 1000+ yard shot. Voldoc explains:

“We were out on the Colorado prairie at daylight and the conditions were perfect. The sunrise was at my back and we had about a 10 mph tailwind. I looked through my Leica Geovid Rangefinder Binos and the Prairie Dogs were out for breakfast. I quickly ranged the targets and found a group at about 1,050 yards.

My first shot was very, very close. I added about four clicks up and a couple of clicks left for windage and let another go. That shot threw dirt all over, but the dog didn’t even flinch. On the fourth shot, I saw the dog go belly up and kick its final throws. My quest for the 20-Caliber 1,000-yard Prairie Dog had become a reality. We confirmed the distance with our lasers at 1,032 yards.”

Voldoc Savage 20BR 1000 yard Prairie Dog

Voldoc’s Accurate Arsenal
In our report on VolDoc’s successful 1K Prairie Dog quest, we spotlighted two of VolDoc’s other accurate varmint guns. First, fans of fine wood will love VolDoc’s switch-barrel, drop-port Stiller Diamondback rifle. The wood on this gun is stunning. The custom stock was crafted from 40-year-old English Walnut to match the profile of a Shehane ST-1000. The rifle has three barrels with three different chamberings: 6BR Brux 1:8″-twist HV; 6BRX Krieger 1:8″-twist HV, and 6mm Dasher Krieger 1:8.5″-twist fluted straight contour (no taper). The scope is a Nightforce 12-42x56mm, with 2DD reticle.

Voldoc Diamondback Dasher Drop-Port

VolDoc’s “Go-To” Prairie Dog Rifle — Big Orange Crush Dasher
Next, check out VolDoc’s “Big Orange Crush” rifle. This features a stainless Nesika ‘J’ action in a painted fiberglass Shehane ST-1000 stock. Originally a 6BR, the gun is now chambered as a 6mm Dasher with a .271″ no-turn neck. The barrel is a 1:12″-twist Krieger fited with Vais muzzle brake. Big Orange Crush shoots 87gr V-Maxs into bugholes at 3,400 fps, according to VolDoc. He tells us that “The barrel now has more than 3,000 rounds down the tube and exhibits little throat fire-cracking and no loss of accuracy. I can’t explain why, it just hasn’t deteriorated yet. This rifle is my best-ever ‘go-to’ Prairie Dog rifle.”

Voldoc 6mm Dasher Nesika Varmint Rifle 12-twist

Permalink Gear Review, Hunting/Varminting No Comments »
November 30th, 2011

Dan Wesson Clone Revolvers — Now THAT’s a BB Gun

As a fan of the classic big-frame Dan Wesson revolvers, this editor did a double-take when I saw the latest addition to Pyramyd Air’s line of BB guns. Pyramyd Air now sells four very authentic-looking, metal-framed CO2-powered BB Revolvers, marked “Dan Wesson”, with the distinctive “DW” logo on the grip. These BB-shooting revolvers are offered in four different barrel lengths: 2.5″, 4.0″, 6.0″, and 8.0″. The revolvers are loaded by placing .177 BBs in mock cartridge shells, which fit into the chambers of the swing-out cylinder — just like on a real revolver. Max velocity, for the 6″-barrel version, is 426 fps. These BB guns are handsome and they have the feel and heft of the real thing. The 4″ version weighs 1.94 pounds, while the 6″ version weighs 2.21 pounds.

Dan Wesson BB gun revolver

Dan Wesson BB gun revolver$119.99 — Your Choice of Size and Finish
All four sizes (2.5″, 4″, 6″, 8″) cost just $119.99 each. Take your pick — either silver finish or black (but not all sizes available in both colors). The Dan Wesson BB revolvers come with adjustable rear sights. An owner-installable, Weaver-type scope rail is packaged with each revolver to allow use of Red-Dot scopes or other optics. A speedloader and six “cartridges” (shown above) are also included with each revolver. To see how the CO2 cartridge fits in the gun, check out the Airgun Academy Dan Wesson Review.

Dan Wesson BB gun revolver

If you’re interested in the Dan Wesson BB Revolvers, visit PyramydAir.com or call (888) 262-GUNS (4867). Note, quantities are limited. While you’re shopping at Pyramyd Air, you can use Coupon Code AirgunsNov30-2011 to save 10% on purchases. This Code expires 12/6/2011 and cannot be combined with other offers.

Pyramyd Air Discount code

We expect these guns will be popular for indoor training, and for fun plinking outdoors. We also predict Dan Wesson collectors may snap them up to add to their collection. Unfortunately, you need to purchase a different BB revolver for each barrel length. The real centerfire Dan Wesson revolvers featured a unique interchangeable barrel system with barrels threaded on both ends inside metal shrouds. Buyers could order one frame with multiple barrel/shroud assemblies. Dan Wesson even sold multi-barrel “Pistol Packs” in a fitted metal case. These Pistol Packs, if complete with all barrels and accessories, are highly prized by gun collectors today.

Pyramyd Air Discount code

Permalink Gear Review, New Product 3 Comments »
November 27th, 2011

Review of Vortex PST 4-16x50mm FFP Mildot Scope

Mike of CS Tactical has released a good video review of the Vortex Viper PST 4-16×50 FFP (first focal plane) rifle scope. Mike praised many of the scope’s features, and he believes it is a good value for the money (about $850.00 street price.)

The Viper PST 4-16×50 PST (Precision Shooting Tactical) FFP riflescope offers a lot of features for the money, including low-dispersion XD Glass, glass-etched illuminated reticle, ArmorTeck scratch-resistant, anti-reflective lens coatings, and a zero-stop turret system. Vortex delivers all this with a street price around $850.00. The hard-anodized one-piece 30mm tube, machined from 6061-T6 aluminum, offers ample adjustment — 21 millirads both elevation and windage. First Focal Plane subtensions remain consistent throughout the magnification range — that’s important if you use the scope to range objects at unknown distances. Vortex claims its argon-filled scope is waterproof, shockproof, and fogproof (O-ring seals prevent moisture, dust, and debris from getting inside the tube). The 4-16×50 PST comes fully equipped with 4-inch sunshade, CR2032 battery, and CRS shims.

Vortex 4-16x50mm First Focal Plane Scope

Vortex 4-16x50mm PST Specifications
Magnification: 4-16X
Objective Lens Diameter 50 mm
Eye Relief: 4 inches
Field of View: 27.4-7.4 feet/100 yards
Tube Size: 30 mm
Turret Style: Tall Uncapped – CSR Zero Stop
Reticle: Milrad type in First Focal Plane (FFP)
Adjustment Graduation: 0.1 mrad
Max Elevation Adjustment: 21 mrads
Max Windage Adjustment: 21 mrads
Parallax Setting: 50 yards to infinity
Length: 13.7 inches
Weight: 22 ounces

Permalink - Videos, Gear Review, Optics 2 Comments »
November 18th, 2011

Seb’s Wild 6 PPC + .284 Win Fat-Bottom Hammerhead Convertible

You interested in a really wild, innovative bench gun that can shoot both short-range and long-range matches? Check out Seb Lambang’s latest “do-it-all” rifle. It’s a switch-barrel rifle combining two very different chamberings: 6 PPC and .284 Winchester. With that caliber combo, Seb’s covered from 100 yards (LV/HV mode) all the way out to 1000 (LR Light Gun mode). But the dual chambering is not the rifle’s only trick feature. Exploiting the new long-range benchrest rules, Seb has fitted a 3″-wide, flat rear metal keel to the buttstock. That counter-balances his 30″-long 7mm barrel, improves tracking, and adds stability. Seb built the stock and smithing was done by Australian gunsmith David Kerr.

Seb Lambang 6PPC .284 Win Benchrest hammerhead

Detachable Hammerhead Wing Section Plus Fat-Bottom Keel
To further reduce torque and improve tracking, the stock features an 8″-wide, detachable fore-end fixture. This “hammerhead” fore-end section has extended “wings” on both sides, making the rifle super-stable. The hammerhead unit can be removed, leaving the stock 3″ wide for use in registered benchrest matches where 3″ is the maximum width. The photos below show Seb’s gun in .284 Win Long-Range (LR) Light Gun mode.

Seb Lambang 6PPC .284 Win Benchrest hammerhead

Yes This Rig Shoots … In Both Configurations, Long-Range and Short
Seb has already used his switch-caliber, switch-barrel rig successfully in competition. Seb tells us: “The gun shot and tracked real well either in 6 PPC LV/HV mode or in .284 Win LG mode. I love it! With this gun I placed Top 10 for the Two-Gun at the Harry Madden Championship in Brisbane, Australia just a few days ago and took the silver medal for the 500m Flyshoot with the .284 Win on the next day. So who says a switch-barrel rifle can’t (or doesn’t) work?” And get this, Seb finished the stock just four days before the Brisbane match. He glued-in the action the evening before the match and shot it the next day in competition. Pretty impressive we’d say….

Seb Lambang 6PPC .284 Win Benchrest hammerhead

6 PPC and .284 Win Convertible Rifle Specifications
Action: Stolle Panda Short Action (glue-in plus front/rear alum. pillars), Right Bolt, Right Port, Right Eject, .473 bolt face.
LV/HV Weight: Rifle weighs 10.4 lbs in 6 PPC mode (no keel, no front wings).
LV/HV Barrel: Krieger 21.5″ OAL, 6mm (6 PPC, .270″ neck), 1:14″ twist.
Light Gun Weight: 15.5 lbs in .284 Mode with 3″ rear aluminum keel and 8″ fore-end attachment.
Light Gun Barrel: Maddco 30″ OAL, 7mm (.284 Win, .316″ neck), 1:9″ twist.
Metal: Home-made, one-piece scope base with +15 MOA scope rings.

Sebastian Lambang Hammerhead 6PPC

Seb Lambang — Indonesian Innovator
If you don’t know already, Seb Lambang is the designer/builder of the innovative SEB Coaxial rests. These are some of the best joystick rests on the market. The latest version, the SEB Neo Rest, is a brilliant design that folds flat for transport, yet offers extended vertical and horizontal travel and a rest top that can adjust from roughly 2″ wide to over 6″ in width. This Editor uses a SEB Neo for both bench and F-Class shooting and it is my favorite joystick rest. Rest in photos is a SEB Neo MAX.

Permalink Gear Review, Gunsmithing, New Product 4 Comments »
November 14th, 2011

New Sinclair Height-Adjusting F-Class Bipod (3rd Generation)

Sinclair Int’l has started shipping its new, improved “3rd Gen” F-Class bipods. These are nearly a pound lighter than before, but just as stable. The key new feature is an optional, central rotary height adjustment. This was successfully tested by Danny Biggs, who won some big matches with a prototype height-adjusting bipod. While the new bipod is designed for F-TR competition, Sinclair’s wide-base bipods have also been used successfully by some F-Open Class competitors, and they have been popular with varmint hunters. Two versions of the new “3rd Gen” bipod are offered. The basic version, without central height adjustment, is currently in-stock for $199.95. The deluxe version, with central quick-adjust height control, can be pre-ordered for $249.95.

3rd generation sinclair f-class bipod height adjusting

Sinclair tells us: “The Sinclair F-Class Bipod was designed with input from many of our customers, including members of Team Sinclair. The new third generation Sinclair F-Class Bipod is offered with an optional quick-adjust elevation knob. Made from 7075 T6 aluminum, the 3rd gen bipod is lighter yet more rigid — nearly a full pound less than the previous generation.” The latest F-Class Bipod now also includes handy laser-etched height markings on the adjustable legs.

Popular features of Sinclair’s previous F-Class bipod designs have been retained, notes Sinclair: “The bipod locking feature enables you to adjust rifle cant quickly and easily. The bipod can be mounted to the rifle’s sling swivel stud in just a few seconds with the captured, hardened pin system. Two tensioning knobs then pull the stock against heavy, low-compression felt pads for a movement-free mount.”

Permalink Gear Review, New Product 1 Comment »
November 8th, 2011

New .22 LR Rimfire Version of Classic M1 Carbine

Here’s a new product that would be a great starter rifle for kids and a perfect training rifle for CMP M1 Carbine matches. Legacy Sports recently announced their new Citadel M-1.22 rifle, a .22 LR rimfire clone of the legendary M1 Carbine (which was chambered in .30 Carbine, essentially a rimless version of the .32 Winchester Self-Loading cartridge). Size, weight, and balance of the Citadel M-1.22 are very similar to the real thing. Legacy’s new rendition is set up to shoot the popular, inexpensive .22 LR round. The new Citadel M-1.22 rifle is made in Italy by Chiappa Firearms (Armi Sport). The rimfire M-1.22 features a blow-back action, an 18″-long, 1:16″ twist barrel, fixed front sight and adjustable rear sight. It will come with 10-round magazines, in either a wood stock version at $391.00 (item #CIR22M1W) or synthetic stock version at $331.00 (item #CIR22M1S).

M-1.22 M-1 Rimfire Carbine Citadel

We think the M-1.22 will be a popular Christmas gift item and, as noted already, it is an ideal “cross-training” firearm for CMP Carbine Match competitors. Learn more about the new Citadel M-1.22 at the LegacySports website. In the near future, M-1.22 rifles can be purchased through GalleryofGuns.com.

CMP M-1 Rimfire Carbine Citadel

CMP M1 Carbine Matches — Growing in Popularity
The CMP M1 Carbine Match is part of the CMP Games program that already includes Garand, Springfield and Vintage Military Rifle Matches. “As-issued” U. S. Military M1 Carbines are fired over a 45-shot course of fire at 100 yards on either the old military “A” target (or the SR target, if A targets prove to be too difficult to obtain). The course includes 5 sighters and 10 shots for record prone slow fire in 15 minutes, a 10-shot rapid fire prone series in 60 seconds, a 10-shot rapid fire sitting series in 60 seconds and 10 shots slow fire standing in 10 minutes. An M1 Carbine Match was fired during the National Matches in the early 1950s, and now is back. As a CMP Games event, it also can now be conducted as a CMP-sanctioned competition.

Permalink Gear Review, New Product 7 Comments »
October 23rd, 2011

Review of Stainless Tumbling Media Brass Cleaning System

On our main Accurateshooter.com website, you’ll find a comprehensive review of the STM system for cleaning cartridge brass with stainless media. To clean brass with stainless media, start with five pounds of small stainless pins sold by StainlessTumblingMedia.com. Place these along with a gallon of water, a little liquid cleaner, and two pounds of cartridge brass in a rotary tumbler, and run the machine for one to four hours.

CLICK HERE for Stainless Media Brass Cleaning System Review

YouTube Preview Image

Forum Member Tests STM System
Our reviewer, Forum member Jason Koplin, purchased the STM media and a new Thumler’s Tumbler. He then tested the STM cleaning procedure on his own brass, including some extremely dirty and tarnished “range pick-up” brass. Jason was thoroughly impressed with how well the STM process worked — as you can see from the “before and after” photos below. Brass which looked like it was ready for the scrap heap was restored to “like-new” appearance. The process works equally well on both rifle brass and pistol brass. Jason observed that one surprise benefit of the STM cleaning procedure is a big reduction in noise. Jason said the water-filled rotary tumbler was much quieter than his vibratory tumblers.

stainless tumbling Media

stainless tumbling Media

You’ll want to read Jason’s full review which shows more before and after images. In addition, the full article features a “how-to” video created by Forum member Cory Dickerson, the young man who pioneered the stainless tumbling process and founded STM. The video shows how to load brass, media, and cleaner solutions into the tumbler, and how to separate media from brass once the tumbling is done. The illustration below shows how to access the article from our new home page. Note that you can click on other featured articles as well.

AccurateShooter.com Stainless Media

Permalink Gear Review, New Product 12 Comments »
October 18th, 2011

New Tikka T3 Sporters in Stock at EuroOptic.com

Tikka has started to import its new T3 Sporter, which features an ergonomic, laminated stock, detachable magazine, adjustable cheekpiece and a nice, stiff action with integral dovetail and side bolt-release. The trigger adjusts from 2 to 4 pounds. The T3 Sporter will be produced with 20″ or 24″ barrels in a variety of popular chamberings: .222 Rem*, .223 Rem, 6.5×55 SE, .260 Rem, .308 WIN. We expect this rifle to be popular with tactical shooters and club-level match shooters who want a versatile rifle that can be used for hunting as well as target shooting. The stock is similar to the ISU “standard rifle” design used for 300m position shooting. As you’d expect, it works in all positions: prone, sitting/kneeling, and standing.

CLICK HERE for T3 Sporter Technical Specifications Page (PDF file).

T3 Is Accurate With Smooth-Working Action
We first saw the new Tikka T3 Sporter in January, at the SHOT Show Media Day. The gun we sampled had a nice trigger, smooth bolt, and shot quite accurately with factory ammo. Watch the video below for an overview of the T3 Sporter. The Tikka T3 Sporter was developed in co-operation With Finnish hunting and sport shooting organizations. The design goal was to create a rifle that performs in competition, but can also be used for hunting. The ergonomic stock features an adjustable cheekpiece and adjustable buttplate (length of pull can be changed with spacers). An integral rail allows placement of hand-stops, bipod mounts, and attachments so the rifle can be carried with a double-sling, biathlon style. T3 Sporter weight (without scope) is 9 lbs. with 20″ barrel, or 9.7 lbs. with 24″ barrel.

EuroOptic.com Has T3 Sporters in Stock
EuroOptic.com has T3 Sporter inventory in stock now, priced at $1695.00. Not all variants have arrived yet*, but we’ve been told that the following models are available: .308 Win 24″ barrel, .308 Win 20″ barrel, 6.5×55 24″ barrel, 6.5×55 20″ barrel, .260 Rem 20″ barrel. 20″ barrels are threaded with a cap (18×1 metric) while the 24″ barrels are unthreaded. View details on EuroOptic’s T3 Sporter Page (NOTE: EuroOptic’s web site may not show the latest inventory, so call (507) 220-3159 for availability.)

*Beretta, Tikka’s parent company, controls T3 Sporter imports. EuroOptic.com informed us that it “ordered all the versions we could from Beretta, but no .222 Rem was available in the USA at this time.” So, for the near term at least, it appears that the .222 Rem will be limited to the European market.

Permalink Gear Review, New Product 9 Comments »
October 11th, 2011

New Berger 105gr 6mm Hybrid Bullets Perform Well

105gr Hybrid Tests Demonstrate Excellent Accuracy and Consistency
By Robert Whitley
After the initial Daily Bulletin Report on the new Berger 6mm 105gr Hybrids, I did some accuracy and consistency field testing with these new bullets. They shot so well, I thought an update was in order. My 100-yard testing has revealed much about these new bullets — all of it good so far. The test rifle was a MAK Tube Gun with a trued Rem 700 action (glued in), with a 6mm Brux 30″, 1:8″-twist barrel chambered with a no-neck-turn 6mm BRX chamber (1.563″ max case and .120″ free bore). The 6mm 105gr Hybrids fit and work well in this 6 BRX chamber configuration. (CLICK HERE to view a print of the reamer I used for the 6 BRX chamber.)

Berger 6mm 105 grain Hybrid bullet

Hybrids Show Excellent Accuracy in Prone Tests (with Sling)
As some may know, I am predominantly a prone shooter and do most of my load testing prone with a sling. I chose to do the same with these Hybrids, to see how they would perform when fired as they would be in a prone match. In this case, shooting prone with sling, I shot four 10-shot groups (two 10-shot groups in each of two range session). All four groups were right around .5 MOA (i.e. each group about .750″ edge-to-edge, minus a bullet diameter of .243″ = .507″). The new Berger 6mm 105gr Hybrid bullets had no problems doing this. The groups shot were also consistent with the best groups I have been able to shoot in the past with the Berger 108gr BT bullets and the Berger 105gr VLD bullets, and I consider both of those bullets to be excellent and accurate. There is no question in my mind that these new Hybrid bullets are accurate, and the consistency is there! Check out my test targets below.

The two 10-shot targets above were shot at 100 yards on September 30th, prone with sling. The 6 BRX load was: Berger 6mm 105gr Hybrids, Lapua brass, 32.0 grains N140, Federal 205M-AR primers, .020″ jump. Note: If you put the targets over each other the groups line up perfectly.

These two 10-shot targets (above) were shot at 100 yards on September 23, prone with sling. The 6 BRX load was: Berger 6mm 105gr Hybrids, Lapua brass, 31.0 grains H4895, Federal 205M-AR primers, .020″ jump. When I can shoot 20 Xs in a row (as I did with these two targets) the rifle is really shooting well.

Accuracy needs to be coupled with consistency, especially when running longer strings of fire or in matches demanding a larger number of hits on the target. I am pleased to report that I have found the Berger 105gr Hybrid bullets to be consistently accurate bullets (i.e. there were no anomalies or fliers, they just keep going where you pointed the rifle). At each of the last two range sessions I shot back to back 10-shot groups with no break between the two (i.e. 20 shots in a row and only switching to the next target after 10 shots). Not only did the individual 10-shot groups stay tight, but if you hold each first target over the second target, the groups are right on top of one another. This is what I look for in terms of consistency — that I can keep shooting, and the bullets keep going right into the group, with no odd fliers.

105gr Hybrid Bearing Surface and Optimum Free Bore
Shooters may wonder how the new 6mm 105gr Hybrids function with the existing freebores on chambers set up for current Berger 105gr VLDs and Berger 108gr BT bullets. Based on the investigation and measuring of various chambers, here are some general guidelines:

1. For a chamber with a 1.5° throat angle, and the bullets touching the lands, the Berger 105gr Hybrid bullets sit up in the neck a little further than both the current production Berger 105 VLD Target bullets and the Berger 108gr BT bullets.

2. Based on basic measuring and testing, for the junction of the boat tail and bearing surface of a 6mm 105gr Hybrid bullet to be in the same spot as other bullets, the 105 Hybrid (Lot #3079) would need about .020″ – .025″ less freebore than recent production Berger 105gr Target VLD bullets (Lot #3220) and about .030″ – .035″ less freebore than recent Berger 108gr Target BT bullets (lot #2791).

3. Since the Hybrids are designed to work both in the lands and jumped away from the lands, some extra freebore may not be a bad thing. In truth, the 105 Hybrid bullets should work well and fit well in various 6mm chamberings (such as 6 BRX, 6 Dasher, 6mmAR etc.) which have been optimized for the previous generation, non-Hybrid 6mm Berger 105s and 108s.

Permalink Bullets, Brass, Ammo, Gear Review, New Product 7 Comments »