Spikes Tactical AR-15 M4 LE Complete Upper
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Specifications and Features:
Spikes Tactical M4 LE Complete Upper with Mil-Spec BCG
16" Barrel
12" SAR Rail
Carbine Length Gas System
Black
1:7 Twist
M4 Barrel Profile
ST Micro Gas Block, .750" Diameter Gas Seat
Spike's Tactical Mil-spec M16 Bolt Carrier Group
ST SAR Rail System
A2 Flash Hider