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.
- Type: Complete
- Caliber: 5.56x45mm NATO
- Sights: A2 Front
- Barrel Length: 16"
- Twist: 1:7"
- Barrel Description: Mid-Length Cold Hammer Forged
- Barrel Finish: Black Phosphate
- Receiver Finish: Black
- Handguards: 12" SAR3 Free-Floating
- Handguard Finish: Black
- Barrel Length Range: 16" to 16.99"