did you use the Umarex Colt RIS or some other brand? If you used the Umarex Colt RIS, did you have to take the front sight off? If you put the Umarex Colt RIS on the standard non-Ops M4 Carbine .22LR then you should do an installation video no matter how simple it is cause there is no information...
did you use the Umarex Colt RIS or some other brand? If you used the Umarex Colt RIS, did you have to take the front sight off? If you put the Umarex Colt RIS on the standard non-Ops M4 Carbine .22LR then you should do an installation video no matter how simple it is cause there is no information...