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| Product Description |
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New Spikes Tactical Complete Mid-Length 5.56/.223 Upper Receiver assemblies. Each Features: M4 flat top upper receiver, Machined from a 7075 T6 Mil-Spec Forging with Mil-Spec Type III Hardcoat Anodized finish, T-markings, Spike's logo and M4 feed ramps. The 16" Barrel is 4150 Chrome-moly Vanadium Alloy, M4 barrel extension, Chrome chamber and bore, 5.56mm NATO chamber, 1:7 Twist, Magnetic particle testing, with a Phosphate finish. Government Profile with Mid-Length gas system. The Barrel is Phosphate finished under the F marked A2 front sight 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. Double heat shield M4 hand guards. A2 Flash Hider. Includes Spike's ST-T2 Tungsten filled Heavy Buffer.
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