Anderson AR15 50 Cal Beowulf 12.7x42, Reaper Engraved, 15" Slim MLOK, 10 Round Mag

Free Bulldog Pitbull Tactical Soft Case

Complete 12.7 X 42 50 Cal Beowulf Rifle
Anderson AM-15 Lower Receiver is American made with superior quality for less! Our lower Receivers are CNC machined from a high-strength, 7075 T6 aluminum forging for reliable performance and outstanding durability. Machined to Military Specifications & Standards and marked “Multi-Cal” to be used with multiple calibers on the AR-15 platform. This Lower Receiver comes in type III black hard anodize. Anderson lower parts kit installed.
Stainless Trigger and Hammer

BCA AR-15 Complete Side Charging Upper, 16” 4150 Parkerized Heavy Barrel, 12.7 x 42 (.50 Cal), Carbine Length Gas System, 1:20 Twist w/ 15” MLOK Rail - 50 Beowulf

This BCA AR-15 Complete Upper has a 16” barrel with a Heavy profile, made of 4150 steel with a Parkerized finish, and features a 1:20 Twist Rate, a Carbine length gas system and .936 Gas Block.

The Upper includes a 15” MLOK Rail, an M4 flat-top billet upper receiver with forward assist, a BCA Bolt Carrier Group, an LS2 Flash Hider, and Charging Handle. It is chambered in 12.7 x 42 (.50 Cal) and machined with a single feed ramp in the barrel extension.

This BCA AR-15 Complete Upper, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and complete upper receiver assemblies includes test firing prior to approval and shipment. This Rifle is also backed by our Bear Den Guarantee.

Choose an upper designed by a US company and made in the USA. Choose Bear Creek Arsenal.

FEATURES: Mil Spec, Multi-Cal Engraved, Semi-Auto
MATERIAL: 7075 T6 Aluminum Forging
FINISH: Type 3 Hard Anodized, Black
Anderson Lower Parts Kit
M4 Pistol Grip
M4 6 Position Stock With Butt Pad
Mil Spec Aluminum Anodized Buffer Tube
16” Heavy Barrel
4150 Chrome Moly Vanadium
Parkerized Finish
1:20 Twist
15” MLOK Rail
12.7 x 42 (.50 Cal)
Carbine Length Gas System
M4 Flat-Top Billet Upper Receiver
Standard Bear Creek Arsenal Bolt Carrier Group
Side Charging Handle
LS2 Flash Hider



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There are no returns on firearms. Warranty Issues Are Handled By The Manufacturer.



Any return for any reason requires a 30% restocking fee. This fee will be deducted from your refund. A New Returned Firearm Is Now A Used Firerarm and The Price Depreciates Greatly.


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