Ruger

Its cold hammer-forged, 6.5-inch barrel is threaded 1/2X28 and includes a thread protector. This model ships with the SR-Series/Security-9 pistol magazine well installed, along with one 17-round SR-Series or Security-9 9mm magazine, and includes an additional magazine well that accepts most double-stack Glock-pattern magazines. Features : - Black Synthetic Chassis - Black Magpul Stock Adjustable for Length-of-Pull - Aluminum Free-Float Handguard with a Removable M-LOK Hand Stop - Glass-Filled Polymer Chassis System - Light, Crisp Trigger Pull