© Tactical Surplus USASpikes STU5435MLS Complete Upper 5.56x45mm NATO 16" Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12" SAR3 Free-Floating Handguard for AR-15
- Brand
- Spikes Tactical
- Color
- Black
- Category
- Gun Parts
- Barrel Length
- 16in
- Gun Part Type
- Upper Receiver
- UPC
- 815648023317
- MPN
- STU5435MLS
Overview
The Spike's Tactical complete upper assembly is built to rigorous Mil-spec standards, offering law enforcement-grade quality and performance for the AR-15 platform. Chambered in 5.56x45mm NATO, this upper features a 16-inch cold hammer-forged, chrome-lined Mil-spec barrel with an ST optimum profile, 1:7 twist rate, 1/2"x28 thread pattern, and a black phosphate finish. It includes a mid-length gas system, an F-marked A2 front sight base, a .750-inch diameter gas seat, an A2 flash hider, a Spike's Tactical Mil-Spec M16 bolt carrier group, and a 12-inch SAR3 free-floating handguard. The receiver is forged from 7075-T6 aluminum with a black finish, and the entire assembly is factory test-fired for function check before shipping.
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