Description
The Lead & Steel LS300-10.5 is a 10.5″ 300 Blackout barrel purpose-built for AR-15 pistol and SBR platforms. Designed to feed both supersonic and subsonic 300 AAC Blackout loads, this barrel is an ideal foundation for a compact, suppressed build.
The barrel is turned from 4150 Chrome Moly Vanadium steel and treated with a QPQ black nitride finish for excellent wear and corrosion resistance. A government profile keeps the contour classic while keeping overall weight manageable, and the 1:7″ twist stabilizes a wide range of supersonic 300 BLK projectiles.
A pistol-length gas system is matched to the 10.5″ length, and M4 feed ramps are cut for reliable feeding across magazine and ammunition choices. The muzzle is threaded 5/8×24 to accept standard 300 Blackout muzzle devices and suppressors. At roughly 20.80 oz, the LS300-10.5 is a balanced choice for compact AR pistol builds.
