M4 Upper Receiver 5.56 SOCOM Barrel

M4 Upper Receiver 5.56 SOCOM Barrel

Cartridge: AKK_5.56 mm Nato
Color: Black
Contour: Socom
Finish: Anodized
Length: 14.5''
Make: AR-15
Make/Model: AR-15
Muzzle: 1/2-28
Style: Assembled
Twist: 1-7


Manufacturer: Colt
Model:

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