"Far from just a cosmetic update, the Ruger Harrier Semi-Auto Rifle with A2 Stock is a clean-sheet redesign of the MSR, enhancing fit, function, longevity, and aftermarket compatibility for the modern shooter. The Harrier AR-15 was built for shooters who want a reliable, customizable base AR with features like forged 7075 aluminum receivers, free-floating M-LOK handguard, and improved bolt carrier group engineering that can handle the higher round counts of extended range use. It comes standard with a 16.1"" government-profile barrel with 1/2""-28 threaded muzzle and A2 flash hider, mid-length gas system, and single-stage GI trigger. The lower comes equipped with a standard AR-style pistol grip and A2 stock. The upper receiver includes forward assist, dust cover, and brass deflector. The bolt is nitride and the BCG features staked gas key. It's the classic direct-impingement AR done right. Includes one 30-round magazine. Redesigned from the ground up for enhanced fit, function, and aftermarket compatibility' Direct impingement operation with mid-length gas system 16.1"" government-profile barrel with ½""-28 threaded muzzle Forged 7075 aluminum receivers with Type III hard-anodized finish A2 stock Free-floating M-LOK handguard Compatible with mil-spec components"