The Sons of Liberty Gun Works (SOLGW) M4-Enforcer is a premium, hard-use AR-15 carbine engineered to exceed the rigorous demands of professional duty and defensive applications. Hand-built with uncompromising attention to detail, every SOLGW rifle is constructed using strictly inspected, true military-specification components that are built to withstand heavy firing schedules and harsh environments. Optimized around a clean, soft-shooting direct impingement gas loop, the rifle features a perfectly tuned mid-length gas system that drastically cuts parts wear while maintaining flat downrange accuracy. - VERY GOOD CONDITION - NO BOX - ONE 30-RD MAGAZINE - MBUS FLIP UP SIGHTS INCLUDED - MAGPUL B.A.D LEVER INCLUDED Caliber: 5.56 NATO (safely accepts both 5.56x45mm NATO and .223 Remington) [6]. Operating System: Direct Impingement (DI) with a smooth-cycling mid-length gas system. Receiver Set: Forged 7075-T6 aluminum upper and lower receivers, precision-machined to tight mil-spec tolerances. Receiver Finish: Type III Class 2 Hardcoat Anodized finish for maximum abrasion and corrosion resistance. Barrel Twist Rate: 1:7 twist rate optimized to stabilize heavy-duty and match-grade projectile weights up to 77gr. Feed Ramps: Precision-machined M4 feed ramps ensuring flawless cartridge chambering and cycling reliability. Muzzle Device: Standard A2 Flash Hider threaded at 1/2x28 TPI for seamless aftermarket suppressor integration.