-Spike’s Tactical M4 flat top upper receiver, Machined from a 7075 T6 Mil-Spec Forging with Mil-Spec Type III Hardcoat Anodized finish, T-markings, our logo and M4 feed ramps.
-Barrel is 4150 Chromoly Vanadium Alloy, M4 barrel extention, Chrome chamber and bore, 5.56mm Nato chamber, 1:7 Twist, Magnetic particle testing on every barrel, Phosphate finish.
-Government Contour with Mid-length gas system.
-Mid-length hand guards w/Triangle hand guard cap.
-Barrel is Phosphate finished under the F marked A2 front site base.
-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.
-MP tested bolt, Each extractor is fitted with a Mil-Spec black insert and Mil-Spec Viton o-ring.
-Forged Mil-Spec charging handle.
-A2 Flash Hider.
-Each upper also comes with an ST-T2 buffer.
Starting at $535, Spikestactical.com.
Upper Specs: -Spike's Tactical M4 flat top upper receiver, Machined from a 7075 T6…
by Tactical-Life.com / Feb 26, 2010