Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF.
The Spike’s Tactical ST-15 Enhanced Mid-Length Upper is a 16″ barrel AR-15 upper receiver with a fixed A2 style front sight, mid-length gas system, 1:7 twist chrome-lined cold hammer forged barrel, and flat top receiver. It includes a mil-spec bolt carrier group, drop-in handguards and an A2 flash hider.
