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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

Permalink - Articles, Bullets, Brass, Ammo 8 Comments »
April 2nd, 2011

M1 Carbine Conversion Kit for Ruger 10/22

E. Arthur Brown Co., i.e. EABCO.com, has a neat, affordable conversion kit for the Ruger 10/22. This transforms your plain Jane 10/22 into an M1 Carbine look-alike. EABCO’s 10/22 M1 Tribute Kit includes a two-piece, M1 Replica wood buttstock and handguard with barrel band and front sling swivel. This stock is compatible with original factory sights. Installation on your Ruger 10/22 is an easy, drop-in fit. The conversion kit, less sights, is currently on sale for just $109.00.

Eabco 10/22 M1 Conversion

Replica Sights for 10/22 M1 Conversion
Eabco 10/22 M1 ConversionEABCO also offers two iron sight kits, both of which improve on the Ruger’s factory sights. As shown in the large photo above, the $69.00 TechSights 200 model has a winged NM post sight in the front and a shielded rear peep with circular, AR15-style adjuster. This system provides 7.5″ more sight radius than original factory sights. For $59.00, EABCO offers the even more authentic Replica M1 Carbine Sights. The Replica sight kit features a functional flip-up rear peep sight, on a base that screws into the 10/22’s rear scope mounting holes. The Replica winged-style front sight assembly slips over the front sight barrel band and is secured with a set screw. These sights look and function just like the original M1 sights. They work great for Appleseed events.

The Story Behind the M1 Carbine Ruger 10/22 Tribute, by Eben Brown

One of the most satisfying things about business is the way trying something different can lead to greater opportunities than just the original idea. My friend Andy approached in 2009 with his concept of doing an M1 Carbine styled stock for the Ruger 10/22. Like any 10/22 lover, I thought, “Neat”! But as a businessman, I was thinking, “The 2-piece stock is going to be expensive to make and by the time you add in the sling, oiler, and sights, it could get pretty expensive. Will customers want to buy it?”

Well, I liked the idea enough to pursue it and gave Andy an order for the stocks. I began looking around for sights, sling, and oiler to complete the project. The M1 Carbine Sling and Oiler can be found in a wide variety of conditions and prices. We found some that were brand new WWII war surplus selling at up to $60 to gun collectors — too expensive for this project. After a couple of months we finally found some brand new production M1 Carbine Slings with Oilers that we can sell for only $19.

Next, I found a company called TechSights that has the exact, military style sights that we needed. The TechSights folks revealed their 10/22 retrofit sights are very popular with shooters involved in Project Appleseed. This is a basic rifle marksmanship training program that typically employs the Liberty Training Rifle, a low-cost 22LR concept usually built on a Ruger 10/22. They also shoot centerfire rifles.

Editor’s Note: Project Appleseed is an activity of The Revolutionary War Veterans Association, a 501(c)(3) non-profit organization, dedicated to teaching the nation’s heritage as well as traditional rifle marksmanship skills. The Appleseed Project has expanded rapidly. It organized over 1,000 shooting events in 2010, including “Adaptive Appleseed” clinics for physically challenged individuals.

Permalink Gear Review, Shooting Skills 1 Comment »