The AR-15 .50 Beowulf 10.5" Upper Build is designed for those looking to build a powerful .50 Beowulf rifle with an easy-to-install upper assembly. Featuring a 10.5" barrel, this upper offers big-bore performance perfect for hunting, tactical use, and high-impact applications. Built using 7075-T6 Aluminum Forging, the upper is robust and ready for action. The 10" slim M-LOK rail allows for customization with accessories and optics, while the linear compensator helps reduce recoil and muzzle rise.
Length: 10.5" for a compact yet powerful build.
Material: 416CMV steel, offering durability and strength.
Finish: Parkerized for added protection against corrosion.
Chamber: 12.7x42 Cal (.50 Beowulf) for impressive stopping power.
Twist Rate: 1/20 for stabilization of larger projectiles.
Thread: 49/64x20 for compatibility with most muzzle devices.
Gas Block Diameter: .936" to allow for effective gas flow.
Gas System: Carbine-length for reliable cycling.
Muzzle Device: 12.7 KAK Industries Linear Compensator to reduce recoil and muzzle rise for better control.
Material: Constructed from 7075-T6 Aluminum Forging, known for its strength and reliability.
Finish: Black Hardcoat Anodized to MIL-SPEC standards.
Design: A3 Flat Top Upper designed for precision optics mounting.
Features: Includes Forward Assist for enhanced reliability and Ejection Port Cover to prevent debris entry.
Feedramps: M4 Feedramps for smooth feeding.
Gas Block: Low Profile .936" Steel Gas Block for smooth cycling.
Gas Tube: Carbine-length stainless steel gas tube for reliable function.
Length: 10" Free Float Slim M-LOK Rail for lightweight and customizable mounting options.
Material: Constructed from aircraft-grade aluminum, ensuring durability without adding unnecessary weight.
BCG: Uses 6.5 Grendel Type 2 BCG, not included but available for purchase separately.
Charging Handle: Not included, can be purchased separately.
Lower Receiver Compatibility: Compatible with AR-15 lower receivers (recommend a 4.3 oz buffer for proper cycling with this heavy caliber).
Does not include BCG and Charging Handle—can be purchased separately on the product page.
Images may not be an exact representation of the product.
This upper is ideal for building a .50 Beowulf AR-15 rifle with a compact barrel and big-bore power.
The AR-15 .50 Beowulf 10.5" Upper Build includes a 12.7x42 barrel, KAK Industries linear compensator, and 10" M-LOK handguard for superior performance in big-bore applications. Compatible with AR-15 lower receivers, this upper is perfect for anyone seeking to build a high-powered, customizable rifle.
Tags: ar-15, .50, beowulf, 12.5 10.5", upper, build, 10", slim, rail, linear, compensator