Ruger 18105: The Ruger Precision features a threaded barrel; muzzle brake; patented multi-magazine interface functions interchangeably with Aics and M110/SR-25/DPMS/Magpul-style magazines (works with some m14 magazines); Ruger Marksman adjustable trigger is externally adjustable; buttstock allows for easy, intuitive and secure adjustment to conform to any shooter or style and is adjustable for length-of-pull; cheek rest height and horizontal position; as well as buttpad height; cold hammer-forged, chrome-moly steel barrel with 5rd rifling at minimum bore and groove dimensions, minimum headspace and centralized chamber; 15\" aluminum free-float handguard is black hard-coat anodized aluminum and features Magpul M-LOK slots on all four sides; ambidextrous manual safety; 20 MOA Picatinny rail secured with #8-40 screws; Magpul MOE-K2-XL grip with optional storage cores for stowing gear; bolt disassembly tool is stored in the Ruger Precision rifle billet aluminum bolt shroud for easy striker channel cleaning and the magazine well front is contoured for a positive grip when bracing against shooting supports. Includes two 10rd Magpul PMAG magazines.