*mac-10 .45 Acp Side Cocking Upper With Notched Barrel

This complete threaded barreled upper comes with side EZ cocker and Integral machined rail for optics. It also has a notched barrel throat (see photos #2 & 3) for guns that use the older style bolt and extractor. The side cocker makes it easier to pull back the bolt and accommodates lots of room on top of the scope rail for your optics of choice. For use with a Mac-10 .45 acp with older style bolt and extractor.BACK ORDER ONLY