Spike's Tactical

Spike's Tactical Complete Upper Receiver 223 Rem/556NATO 14.5" Barrel (16" OAL with Pinned Brake) Mid-length Gas System Fits AR Rifles Black Flat Top Receiver No Sights 12" CRR Quad Rail Dynacomp Muzzle Brake No Mags STU5050-CQ2D

Spike's Tactical

Spike's Tactical Complete Upper Receiver 223 Rem/556 NATO 16" Chrome Lined Barrel 1:7 Twist Fits AR Rifles Flat Top Receiver Quad Rail Handguard Black Finish STU5025-R9S

Spike's Tactical

Spike's Tactical Complete Upper Receiver 223 Rem/556NATO 16" FN Hammer Forged Barrel 1:7 Twist Fits AR Rifles Mid-length Gas System Front Sight Post Black Finish STU5435-MLS

Spike's Tactical

Spike's Tactical Generation 2 Billet Upper 223 Remington 556NATO Black Mil-Spec Barrel Nut SFT52B2

Spike's Tactical

Spike's Tactical Flat Top Upper w/Ejection Port Door 9MM Black Finish SFT902D

Spike's Tactical

Spike's Tactical Upper Fits AR Rifles Black Flat Top Machined from a Mil-Spec 7075 T6 forging with Forward Assist and Ejection Door installed SFT50M4

Spike's Tactical