Great Lakes Firearms & Ammunition is excited to offer a new line of AR-15 barrels. These barrels can be used either as replacements for a current AR-15 rifle, or as new barrels for your latest build. This particular GLFA barrel is chambered in .450 Bushmaster and features M4 style feedramps. This particular barrel features a 1:24" Twist Rate and has a muzzle threaded 11/16"x24. Pick one up today and check out the Great Lakes difference.

Specifications and Features:
GLFA AR-15 Barrel 450SFB
.450 Bushmaster
18" Bull Barrel
Spiral Twist Fluted
1:24" Twist Rate
Muzzle Threaded 11/16x24
M4 Feed Ramps
.875" Diameter Gas Block
Nitride Finish
Matte Black