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, F-Marked A2 front sight base, .750″ Diameter Gas Seat, Spike’s Tactical Mil-Spec M16 Bolt Carrier Group, mid length handguards, and A2 flash hider.
Spikes STU5435MLS Complete Upper 5.56x45mm NATO 16″ Black Phosphate/Midlength Barrel,
Spikes STU5435MLS Complete Upper 5.56x45mm NATO 16″ Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12″ SAR3 Free-Floating Handguard for AR-15
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| Barrel Finish | Black Phosphate |
| Barrel Length | |
| Product Type | Complete |
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