This model ships with a 10-round magazine, fixed stock and non-threaded barrel for consumers in those states which limit magazine capacity and have feature-based restrictions. CNC-milled handguard that is Type III hard-coat anodized aluminum for maximum durability, with Magpul M-LOK accessory attachment slots on all four sides for easy mounting of M-LOK-compatible rails and accessories. Factory-installed, barrel-mounted picatinny rail allows for the forward mounting of optics. Interchangeable magazine wells for use of common Ruger and Glock magazines. Ships with SR-Series/Security-9 pistol magazine well installed and an additional magazine we Mfg: Ruger
