Sons of Liberty Gun Works

The SOLGW Precision SPR barrels are unquestionably the most accurate barrels they've ever offered. Optimized for accuracy, the SPR contour and 5/8X24 muzzle threads routinely produce 1/2MOA groups with multiple types of ammo. These barrels deliver match-winning performance across multiple precision gas-gun series. Features : - 416R Stainless Steel - Polygonal Rifled with a 3 Groove, 1:7 Twist Bore - 5/8X24 Thread Pitch - Mid-Length Gas System - Not A MK12 Profile Barrel - Black Oxide Finish