IMR just announced its latest Enduron powder, IMR 4955, which features a medium-slow burn rate similar to Hodgdon H4831 or IMR 4831. The IMR Enduron powders are clean-burning, temp stable, and feature a proprietary coating that helps reduce copper fouling. We are looking forward to trying IMR 4955 based on our positive experience with IMR 4166. We have used Enduron 4166 and have seen excellent accuracy in .308 Winchester and 6mm BR rifles.
IMR 4955 lands between IMR 4451 and IMR 7977 on the burn rate chart. Hodgdon, which distributes IMR powders, says that IMR 4955 works very well for cartridges such as 25-06 Remington, .270 Winchester, and the .300 Winchester Magnum. Perhaps this will prove a good choice for the .284 Win and .300 WSM as well (F-Open shooters take note). If you are currently using H4831 or H4831sc you should probably give IMR 4955 a try.
Hodgdon says IMR 4955 offers some important advantages:
1. IMR 4955 has a small kernel size. This allows the powder to flow through powder measures easily and meter very accurately.
3. IMR 4955 is very insensitive to temperature changes, so shooters should see uniform velocities across a broad temp range.
3. IMR 4955 has very good load density for medium and big game hunting cartridges (such as the .270 Win and .300 Win Mag).
4. Like other Enduron powders, IMR 4955 boasts a special additive that helps reduce copper fouling as the rifle is fired.
IMR 4955 Should Be Available Early Next Year
— Load Data is Online Now
IMR 4955 will be available in early 2016 in one-pound and eight-pound containers. With the addition of IMR 4955 to the series of Enduron powders, reloaders have a new, advanced-formulation powder that should work for a wide variety of popular cartridges — from the .260 Rem up to big magnums. Reloading data for IMR 4955 is now available online in the Hodgdon Reloading Data Center. Below is a sample of Hodgdon/IMR load data for IMR 4955 as used in the .300 Win Mag cartridge.
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The U.S. Army has seen the benefits of the hard-hitting .300 Winchester Magnum (.300 Win Mag) round, and now it wants more — a lot more. The Army has ordered twenty million dollars worth of .300 Win Mag ammo from ATK, to be used primarily in the Army’s M2010 sniper rifle.
ATK has announced a five-year, fixed-price, indefinite delivery/indefinite quantity contract with the U.S. Army for the production of Mk248 Mod 0, 190-grain and Mk248 Mod 1, 220-grain .300 Winchester Magnum (Win Mag) rifle ammunition. The Army has selected this ammunition for primary use in its M2010 Sniper rifle. According to ATK’s press release, the award has an estimated maximum value of $20 million over the life of the contract. The ammunition will be manufactured at ATK’s Anoka, Minnesota, Federal Premium Ammunition factory. Said ATK’s Sporting Group President Jay Tibbets, “We are proud the U.S. Army has selected our 300 Win Mag ammunition.”
M2010 Sniper Rifle with Suppressor (Click to Zoom)
The U.S. Army first issued M2010s to snipers at the U.S. Army Sniper School in January 2011. Army snipers have been using the M2010 in combat in Afghanistan since March 2011. The M2010’s .300 Win Mag round extends the engagement range over the M24 from 800 meters to 1,200 meters, enhancing lethality and standoff. The M2010 fires .300 Winchester Magnum ammunition to provide approximately 50% greater effective range compared to the M24’s 7.62x51mm NATO. The U.S. Army hopes that the additional effective range helps their snipers in engagements in mountainous and desert terrain in which the war in Afghanistan is fought. Note: As originally developed by Remington, the rifle was called the XM2010. As officially adopted by the U.S. Military, it is now designated the M2010.
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How would you like a modular precision rifle that can shoot .338 Lapua Magnum, .300 Win Mag, and .308 Win rounds — all from the same action and chassis? And how would you like to be able to swap calibers in the field (with barrel and bolt change-outs) with just a couple simple hand tools? This kind of rifle system is not just a pipe-dream. Accuracy International’s PSR Rifle system is truly three guns in one, and it’s now in production. Watch the video to see the features of this advanced modular rifle.
Scott Seigmund, V.P. of Accuracy International (North America), gave us a run-down on the features of AI’s new PSR (Precision Sniper Rifle) modular system. By changing barrels, bolts, and magazines, the gun can shoot three different cartridge types. All the equipment (including bipod, optics, extra bolts, barrels, and mags) are carried in AI’s fitted “deployment” box.
If the full $17,200 three-barrel system is not enough for you, and you need something even more exotic — AI offers a special take-down version of the PSR rifle. Scott showed us a complete .338 LM rifle (with 20″ barrel) stowed in a transport box smaller than a typical carry-on case. Scott said the price on the take-down system has not yet been set.
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Applied Ballistics LLC, Bryan Litz’s company, has started producing new .300 Winchester Magnum loaded ammunition, supplementing the ultra-accurate .308 Winchester ammo that Applied Ballistics rolled out in 2010. The new .300 Win Mag ammo is featured on Bryan’s new dedicated webpage for ammo sales.
The new .300 Win Mag ammo is loaded with Berger’s LRBT 185gr “Juggernaut” bullet. This high-BC bullet, combined with an impressive 3155 fps muzzle velocity (from 28″ barrel), gives the new Applied Ballistics ammo superior performance compared to other commercial .300 WM ammo offerings. Take a look at the chart below:
Exclusive AccurateShooter.com Offer — Get $5.00 Off Each Box of .300 WM Ammo
To promote the new .300 Win Mag ammo, Bryan is offering a special discount to AccurateShooter.com members. When shopping on Bryan’s Ammo website, if you order .300 Win Mag ammo, use Coupon Code ASDC on check-out. That Code will save purchasers $5.00 per box on any quantity of .300 Win Mag ammo. The Coupon Code, valid through November 30, 2011, is good for one purchase per customer.
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The United States Army’s Joint Munitions and Lethality Contracting Center has awarded Remington Arms a 5-year contract to upgrade 3,600 current M24 sniper rifles to the new M24E1 Sniper Weapon System. The major change will be a conversion from the 7.62mm NATO (.308 Winchester) cartridge to .300 Winchester Magnum to provide “additional precision engagement capability and range”. The contract, potentially worth over $28 million, was awarded after a 9-month competitive evaluation. CLICK HERE for Remington Press Release.
The Army’s new M24E1 sniper rifle will share the Rem 700 long action (receiver) and trigger from the currently-fielded M24, but little else. (The Army specifically required that the M24E1 be built around the same 700 series long action and fire control system.) The M24E1 is considered a “total conversion upgrade”, by which the barrel, stock, magazines, muzzlebrake, suppressor, and even the optics will be changed. The M24E1 will carry a 6.5-20×50 variable power Leupold scope with a first focal plane (FFP) reticle that includes .300 Win Magnum bullet-drop compensation markings.
To the new M24E1s, Remington will fit 24″, 10-Twist (5R) hammer-forged barrels, chambered in .300 Win Mag. After the change in chambering, the most notable difference between the M24 and M24E1 is the new modular metal chassis/stock. There are a variety of adjustments in the rear buttstock section, which also folds forward for easier transport. The forearm has removable Mil Std 1913 Picatinny Rails to allowing fitting of night-vision devices and other accessories. Click Here for Forearm Photo.
M24E1 Contract Follows Production of 15,000 M24s By Remington
It is no great surprise that Remington won the contract to upgrade the older M24 sniper rifles. Remington has been produced nearly 15,000 M24 Sniper Weapon Systems for the military over the past 22 years. The M24E1 may be seen as the “natural evolution” of the Army’s existing Rem sniper platform. While the M24E1 rifle looks radically different on the outside, it remains much the same on the inside. According to Remington:
This long tradition of production and repair makes Remington the natural choice to upgrade this venerable system[.] Current operations in Southwest Asia exposed the need for a more powerful and longer-range sniper round. The baseline M24 was designed from inception to chamber a longer and more powerful round than the 7.62mm NATO, so an obvious solution to the capability gap was to finally exploit the M24’s long bolt action and chamber it for .300 Winchester Magnum.
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Savage Arms caused quite a stir at Media Day when it unveiled its new 110 BA big-bore tactical rifle. The 110 BA is initially available in two chamberings: 300 Win Mag, and .338 Lapua Magnum. The .338 version of this rifle is Savage’s first-ever .338 Lapua Magnum, and it is VERY affordable compared to .338 LM tactical rifles from other manufacturers. We predict this gun will be a big hit with shooters who want the long-range capability of the .338 Lapua Magnum cartridge but who don’t want to sell the farm to acquire a capable rifle. Once the initial demand settles down, you should be able to find a 110 BA for around $2000 (not including optics).
NOTE: Jason removed his eye protection for this photo. We recommend that shooters ALWAYS wear ANSI-certified eye protection.
The 110 BA gun comes complete with a detachable box magazine (DBM), target grip with base, a +20 MOA scope rail, and Picatinny accessory rails ahead of the action and on the side of the chassis. The stock has a comfortable cheekpiece that adjusts for height using a handy rotary knob. A similar knob controls the buttpad position, allowing you to “dial in” length of pull. As you’d expect, the 110 BA features a Savage Accutrigger.
On the gun we tested, the AccuTrigger broke clean and crisp under 2.5 pounds, with little overtravel. Fitted with an oversize bolt handle from the factory, the action was smooth in operation and effortlessly fed and extracted the big .338 LM cartridges. The gun demonstrated good accuracy with Hornady .338 Lapua Mag factory ammo, allowing Jason to make a first-round hit at about 800 yards. Jason liked the gun, telling us it “feels solid and well-balanced”. Jason did note that the large muzzle brake creates quite a side-blast. When this Editor was taking video, Jason warned me to get out of the way of the blast. I moved back behind the shooter, but even there, the brake’s blast could be felt.
Quality Big-Bore Tactical for under Two Grand
The 110 BA establishes a new, affordable price point for a true big-bore tactical rifle. Both the 300 Win Mag and the 338 Lapua Mag versions have an MSRP of just $2267.00. We expect to see the “street price” on these rifles peg below $2000.00. That makes the .338 LM version of the 110 BA one of the most affordable .338 Lapua magnum tactical rifles yet offered to the public.
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If you’re planning on purchasing a tactical rifle soon, consider this FREE Training promotion from McMillan Firearms. Those who place an order for any McMillan TAC-series rifle will receive a FREE 2-day Marksmanship Training Course. The course is taught on McMillan’s own ranges in Arizona and covers firearms operation, maintenance, application of fire, and a basic tactical overview for civilians.
Each class is taught by McMillan instructors, experienced military and/or law enforcement operators with impressive credentials. The course is split between classroom and range time. This promo applies to all rifles in McMillan’s TAC series: Tac-308, Tac-300, Tac-338, and the mighty Tac-50.
For more information or to place an order, visit McMillanusa.com or call (623) 582-0536, M-F 7:00 am – 3:30 pm MST.
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