This Steel machined MAC-10 9mm Muzzle forces the disbursement of gases out through 6 long, machined slotted ports to minimize recoil while increasing accuracy under fire. It is 4 inches in length and the same thickness as the exterior base of the barrel, so it matches up perfectly. Finished in black oxide. Thread is 3/4x10, FITS M-10 SEMI AUTO/SMG 9MM. **DOES NOT FIT MPA 930 MINI (Gun and other components not included)
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