Alexander Arms is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 manufacturer of firearm

Firearm

A firearm is a weapon that launches one, or many, projectile at high velocity through confined burning of a propellant. This subsonic burning process is technically known as deflagration, as opposed to supersonic combustion known as a detonation. In older firearms, the propellant was typically...

s. It is most known for the .50 Beowulf

.50 Beowulf

The .50 Beowulf [12.7×42 mm Rb] is a rifle cartridge developed by Alexander Arms for use in a modified AR-15 rifle. The cartridge utilizes a rebated rim, sized to match the rim of the 7.62×39mm and 6.5 mm Grendel rounds...

 cartridge designed by its founder, Bill Alexander. The company produces AR-15

AR-15

The AR-15 is a lightweight, 5.56 mm, air-cooled, gas-operated, magazine-fed semi-automatic rifle, with a rotating-lock bolt, actuated by direct impingement gas operation. It is manufactured with the extensive use of aluminum alloys and synthetic materials....

s chambered in .50 Beowulf and 6.5mm Grendel, which it designed in cooperation with Competition Shooting Sports. The company also produces ammunition

Ammunition

Ammunition is a generic term derived from the French language la munition which embraced all material used for war , but which in time came to refer specifically to gunpowder and artillery. The collective term for all types of ammunition is munitions...

and accessories for its products.

.50 Beowulf [12.7 x 43 mm Rb]

The 50 Beowulf is a powerful cartridge designed to work in standard military arms. It can render body armor essentially irrelevant.

• Beowulf 16.5 Entry Carbine
• Beowulf 16.5 Precision Carbine
• Beowulf 24 Precision Carbine
• Beowulf 16.5 Overwatch Carbine
• Beowulf AWS 16 (Advanced Weapon System): 16" barrel with 4-direction Picatinny Rail forend.

6.5 mm Grendel [6.5 x 39 mm]

The 6.5 Grendel is designed based on the needs of benchrest shooters for highly accurate cartridges.

• Grendel 10.5 Tactical Carbine: 10.5" barrel.
• Grendel 14.5 Tactical Carbine: 14.5 barrel.
• Grendel 16 Tactical Carbine: 16" barrel.
• GDMR 16 (Grendel Designated Marksman Rifle): 16" barrel.
• GDMR 20: 19.5" barrel.
• GDMR 24: 24" barrel.
• Grendel Sniper Rifle: 18", 20", 24" or 28" barrel.