Description The AR10TAC14 is designed for close quarter operations. Its compact size allows easier maneuverability in a wide range of environments. All ArmaLite Tactical Series rifles come equipped with flip-up sights an ArmaLite Tactical Brake and an adjustable gas block that allows the rifle to be individually tuned for optimal performance. Additional features include an ambidextrous charging handle and safety selector. Features: Attachment Method: M-LOK Product Line: AR-10 Product Category: TACTICAL Caliber: 7.62×51 NATO Barrel: STAINLESS STEEL BLACK NITRIDE Barrel Length: 14.5″ (16″ WITH PINNED AND WELDED BRAKE) Twist Rate: 1:10 RH Muzzle Device: ARMALITE TACTICAL BRAKE Handguard: ARMALITE 12″ M-LOK TACTICAL Stock: 7-POSITION COLLAPSIBLE Trigger: ARMALITE TWO-STAGE PRECISION Length: 33.2″ COLLAPSED | 37.2″ EXTENDED Weight: 8.4 LBS. Included: 25-ROUND WINDOWED MAGPUL PMAG MAGAZINE