5.56 FEATURES & SPECS: – CALIBER: 5.56 NATO – CLEAR HARD COAT ANODIZED 7075 ALUMINUM RECEIVERS (shades of tan may vary) – FREE FLOATING 6061 ALUMINUM M-LOK HANDGUARD (shades of gray (grey?) may vary) – 70° SAFETY SELECTOR – 2-POSITION COLLAPSIBLE PDW STOCK – ADJUSTABLE LOW-PROFILE GAS BLOCK – MUZZLE: 1/2-28 THREADS TAPERED MUZZLE – TRIGGER: 2-STAGE – AR CONTROLS – SHORT BARRELED RIFLE – WEIGHT: 4 lbs 9 oz – LENGTH: 21.7 IN-26.3 IN – BARREL: 9.69 IN 1:5 TWIST – HANDGUARD: 9 INCH M-LOK – MUZZLE: 2 PC FLASH HIDER