Aero Precision Lower with Bear Creek Arsenal 12.7x42, 50 Beowulf Magazine, 18" Barrel Upper

New Aero Precision Lower with Bear Creek Arsenal 12.7x42, 50 Beowulf Magazine, 18" barrel Upper

Aero Precision Lower - AR15 Complete Lower Receiver, Standard - Anodized Black
Our AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. Save when you buy it complete and let our specialist do the installation for you!

Includes:
AR15 Gen 2 Lower Receiver - Anodized Black
M4 Stock - Black
A2 Grip - Black
Mil-spec Lower Parts Kit
Carbine Receiver extension
AR15 Carbine Buffer and Spring
Magazine Capacity: Comes with an Alexander Arms 50 Beowulf 7 Round Magazine
These parts are installed

Bear Creek Arsenal - BC-15 | 12.7x42 Upper | 18" Parkerized Heavy Barrel | 1:20 Twist | Mid-Length Gas System | 15" MLOK | with BCG & Charging Handle
This BCA AR-15 complete 12.7x42 rifle length upper has an 18" parkerized heavy barrel, and features a 1:20 twist rate, with a mid-length gas system. It includes a 15" MLOK Rail, an M4 flat-top forged upper receiver, a BCA AR15 bolt carrier group, a flash hider, and a rear charging handle and features the new handguard. This 12.7x42 is compatible with any mil-spec AR-15 lower.
Weight (lbs) 6.50
Barrel Length 18
Profile Heavy Barrel
Twist 1:20
Barrel Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 49/64 x 20
Caliber 12.7 x 42
Feed Ramp Single
Flutes Non-fluted
Gas System Mid Length
Gas Block System 0.936
Charging Style Rear Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
Receiver Material Forged