CLEAR ANODIZED M16 SPEC RECEIVER SET WITH A CERAKOTE FINISH or BLACK ANODIZED M16 SPEC RECEIVER SET – BARREL: 5.56 NATO 16 INCH 1:7 TWIST – MUZZLE: 25° TAPERED SHOULDER ½-28 THREAD – MUZZLE DEVICE: CHERRY BOMB MUZZLE BRAKE – GAS SYSTEM: MID-LENGTH ADJUSTABLE GAS BLOCK – TRIGGER: LITERALLY THE BEST TRIGGER EVER MADE – CLEAR ANODIZED 15 INCH M-LOK HANDGUARD – CLEAR ANODIZED RAPTOR HB CHARGING HANDLE – 70° RADIAN FIRE CONTROL SAFETY SELECTOR – MOE SL-K CARBINE STOCK – WEIGHT: 6 lbs 2 oz – LENGTH: 31.75 IN-35 IN