If you want the versatility of a standard 3/4x10 9mm thread and also want a 1/2x28 thread, then this is the barrel for you. It offers machined 1/2x28 threads on a standard 9mm barrel so you can thread on suppressors and muzzle brakes. It is a new barrel with both threads. Fits M-11 SMG, Semi Auto and MPA mid sized 9mm. ***Does NOT fit MPA Mini 930.

If you hate the tiny magazine release lever on your M-11, this NEW M-11 semi auto Quick Thumb release lever with thumb machined inset is for you! This lever will help in quicker mag drops without hurting your thumb. This CNC machined, quick release lever will add to your custom Mac with easy installation. It is has a hard anodized black finish. Installation instructions included. Will not fit MPA guns that accept Sten Magazines. (other components in these photos sold separately)

This is a replacement part for a worn out or damaged selector pin for a Semi Auto M-11 It is only one piece though its description is, selector pin and sear pin. It is notched and held in place by the wire retainer. For Semi Auto only.

This wire retainer is a necessary replacement part to hold the firing components in place. It should be replaced if bent or worn out. (gun and other components sold separately)

Replacement Semi Auto firing pin. If you are having firing problems and you have fired in excess of 5,000. rounds, you may have a worn firing pin. This is an inexpensive piece of insurance for your Semi Auto Mac to keep you firing. For Cobray semi auto only.

This hammer spring is a necessary part to keep your gun running its best with the proper trigger action. It is best to replace this part every 2000 rounds or as needed.