18" 50 BEOWULF Complete Upper Assembly for AR15 with 18" 50 BEOWULF Satern Heavy Stainless Barrel, 15" Rail and Thread Protector. Includes BCG & Charging Handle.

The 50 Beowulf (12.7x42) was developed to achieve maximum stopping power on the AR15 platform and the 300-400 grain bullets found in typical commercial ammunition pack a mean punch. Requires a 50 Beowulf BCG and 50 Beowulf magazines.

Specifications:

• Barrel: 18 inch 50 BEOWULF Heavy 416R Stainless Barrel by Satern Barrels with 1x20 Twist, SOCOM Feed Ramps, and 3/4x24 Threads. The accuracy and precision of Satern barrels is surpassed by no one in the firearms industry.
• Upper: Mil-Spec Upper Receiver machined from 7075 T6 aluminum forging with forward assist and dust cover installed. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• Rail: 15" Narrow Profile Free Float Rail machined from 6061 T6 aluminum. Comfortable and light weight, with M-LOK or KEYMOD attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• Gas System: Mid Length Gas System with 0.875" Low Profile Gas Block.
• Muzzle Device: Thread Protector.
• Bolt Carrier Group: 50 BEOWULF Nitride BCG with a 8620 Steel Carrier, 9310 Steel Bolt, and MIM Steel Extractor. Mag Particle Inspected and Pressure Tested.
• Charging Handle: Mil-Spec AR15 Charging Handle