A faster 1:5 Twist Rate combined with the Lightweight Faxon Gunner Profile. The 300 Blackout cartridge yields increased performance in shorter barrels and effective subsonic performance. By speeding up the twist rate to 1:5 from common 300 BLK rates of 1:7 and 1:8, these Faxon Match Series Gunner Barrels increase projectile stabilization and energy on target. The Gunner profile is a blend of two of the best performing profiles of all time, GOVT/SOCOM and Pencil. Faxon's Gunner profile combines the durability of the GOVT/SOCOM profile with the weight savings and maneuverability of the Pencil profile. The Gunner profile brings the balance of the rifle back towards the shooter's body Mfg: Faxon Firearms