The .50 Beowulf (12.7x42mmRB) is a 12mm caliber rifle cartridge developed by Bill Alexander of Alexander Arms for use in an AR-15 rifle. [1] The cartridge utilizes a rebated rim, sized to match the rim of the 6.5mm Grendel round.

Due to the higher muzzle velocity of the cartridge, the .450 Bushmaster has the flattest trajectory and retains the most energy of the bunch while the .50 Beowulf comes in last in both categories. Indeed, the .450 Bushmaster has a clear advantage …

In the AR-15 platform, our .50 Beowulf® is the top of the food chain. We invented it, you’ll love it. How can we help you?

Dec 27, 2023 · The answer is twofold: one, there’s far more reloading data and components, as well as loaded ammo available for the .50 Beowulf; two, the .500 Auto Max cartridge runs …

Explore our range of .50 Beowulf® rifles, known for their power and reliability.

Discover the power of the Alexander Arms .50 Beowulf - a game-changer in the world of firearms. With its unrivaled stopping power and precision engineering, our .50 Beowulf rifles and accessories are your gateway to ultimate shooting performance.

Jul 13, 2021 · See if an AR chambered in 50 Beowulf (12.7x42) is in your future by learning about it's practical applications, recoil, ballistics, and more!

The best the Beowulf can do is just under 2400 ft-lbs and a larger than 400-grain bullet would use so much case capacity as to be useless. Our AR500 is equipped with an adjustable gas block that allows easy tuning for the whole range of 500 Auto Max …

May 24, 2005 · By rifle standards, the Beowulf is a very slow round traveling less than 2000 ft/sec. Out at 200 yards, you are down to 1300 fps and looking at roughly a foot drop. At 300 yards, you are in a 4 foot drop and go subsonic. At 500 yards, the drop reaches 200 inches and down to 800 ft lbs of energy. This is not a long range round like the .50 BMG.

Nov 24, 2017 · Think of the .50 Beowulf as a monster pistol cartridge that delivers the approximate performance of the old .45-70 workhorse. The most common loadings have 300- to 500-grain projectiles, and...