COMMON FEATURES & SPECS: - CALIBER: 300 BLK - 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: 5/8-24 THREADS TAPERED MUZZLE - TRIGGER: 2-STAGE - AR CONTROLS