M-11 & Mpa Side Cocker W/9mm Double Threaded Barrel

If you want the flexibility of having both threads of 3/4x10 and 1/2x28 on a side cocking M-11 upper with a low scope rail mount, then this is the perfect set up. Barrel has been double threaded and pinned, just slide in your bolt assembly and you are ready to go. Works with your bolt assembly. Fits M-11 9mm SMG, Semi Auto & MPA Mid sized M-11, does not fit MPA Mini 930.BACK ORDER ONLY