Umarex Colt M4 Carbine for Sale
Founded: 1972
HQ: Germany
The Umarex Colt M4 Carbine is a blowback-operated semi-automatic rimfire rifle in .22 LR that mirrors the AR-15/M4 layout with a flat-top and telescoping stock. Its distinctive touch is an adjustable bolt-speed screw that tunes the straight-blowback action to different ammunition.
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