Spikes STU5435R2S Complete Upper 5.56x45mm NATO 16″ Black Phosphate/Midlength Barrel 7075-T6 Aluminum Black Receiver 12″ SAR3 Free-Floating Handguard for AR-15

The Spike’s Tactical ST-15 Enhanced upper line-up is designed as a fully Mil-spec compliant upper series for law enforcement. This same level of quality and performance is now available to everyone all at a price range that is affordable to shooters of any budget. Each component is manufactured to Mil-spec standards. This model features 16″ with 1:7 Twist cold hammer forged Mil-spec Barrel ST Optimum Profile Mid Length Gas System ST Micro Gas Block .750″ Diameter Gas Seat Spike’s Tactical Mil-Spec M16 Bolt Carrier Group ST BAR2 12″ Rail and A2 flash hider.