SPIKES TACTICAL LOGOSpike’s Tactical 16″ Mid-Length GMP Dissapator style .223/5.56×45 caliber Complete Upper Receiver assembly for AR15/M16 type Rifles. This is a COMPLETE Upper receiver assembly, everything except a rear sight, and includes Spike’s Tactical Tungsten filled ST-T2 heavy recoil buffer and Magpul MOE heat shield lined Rifle length handguard. This AIM Exclusive upper receiver configuration features a 16″ lightweight profile barrel, pinned mid-length gas system and “F” marked A2 Sight front sight base set at the Rifle length position. More info below. Front sight base will have a Stainless steel gas tube plug installed to prevent the handguard cap from rotating.  

[combogallery id=’24’]
–  Spike’s Tactical M4 flat top upper receiver, Machined from a 7075 T6 Mil-Spec Forging with Mil-Spec Type III Hard coat Anodized finish, T-markings, Spike’s logo and M4 feed ramps.

–  Barrel is certified MIL-B-11595E CMV, M4 barrel extension, Chrome chamber and bore, 5.56mm Nato chamber, 1:7 Twist, Magnetic particle testing on every barrel, Phosphate finish.

–  Light-weight Contour barrel with pinned and melonited low profile mid-length gas system.

–  Barrel is Phosphate finished under the .625″ F marked A2 front sight base with stainless steel plug set at the rifle length handguard position.

–  The M16 carriers are Chrome lined with a Mil-Spec phosphate finish.

–  Forged Mil-Spec carrier key, Chrome lined, attached with Grade 8 hardware and Properly staked.

–  HP/MP Tested Bolt, Each extractor is fitted with a Mil-Spec black insert and Mil-Spec Viton o-ring.

–  Magpul MOE heat shield lined black handguards.

–  A2 Flash Hider.

–  Includes ST-T2 Buffer

Buy this complete upper HERE from AIM Surplus for just $579.95