This BCA AR-15 complete .450 Bushmaster rifle has a 18" heavy barrel with a parkerized finish, and features a 1:24 twist rate, with a mid-length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, a rear charging handle, and a mil-spec AR-15 lower. This has the new handguard and a flash hider.
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*Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.
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|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||5/8 x 32|
|Feed Ramp||Single Feedramp|
|Gas System||Mid Length|
|Gas Block System||0.750|
|Charging Style||Rear Charging|
What magazine/ammo does BCA recommend for each caliber?
These are brands that BCA uses in the facility to test fire our products. However, there are several brands that will also function properly. Caliber Magazine Ammo Grain Weight Ammo Brands BCA Status AR15 - 223/5...
What is the trigger weight on your standard triggers?
We use standard MILSPEC triggers in our lowers and that is a standard trigger pull weight of 7-8 pounds.