This complete bolt assembly has everything you need for your Mac-10 .45 acp. It has the newer redesigned extractor with an additional small spring, held in place with a small roll pin. The bolt assembly comes complete and ready to be dropped into your gun. For SMG & Open bolt semi auto only, does not work with closed bolt or newer Semi Auto.

This complete bolt assembly is the perfect replacement part or if you want to convert your Mac-10 .45 ACP to shoot 9mm. This is a double feed 9mm SMG bolt assembly which uses double feed Mac-10 9mm magazines found in our Magazines for Mac-10 9mm section on our web site. High Rise Bolt Handle sold separately. To convert a Mac-10 .45 acp to shoot 9mm, you will need this part as as: Mac-10 9mm barrel or barreled upper, magwell converter and some Mac-10 9mm double feed magazines. For SMG & Open bolt semi auto only, does not work with closed bolt or newer Semi Auto.

This large retaining clip is the replacement for a lost or damaged front strap retainer clip.

If your gun model requires a two piece receiver pin or you want one that offers a solid lock then this is for you. It has a larger head on each end and locks in place after the smaller end is snapped all the way through to lock the receiver in place. (gun & other parts sold separately)

After thousands of rounds barrel replacement is recommended. This Cobray replacement barrel will renew your SMG. Easy installation takes only a few minutes, make sure to remove the barrel pin before unscrewing the barrel. Please contact us if you have any questions. Barrel thread is 7/8x9.

This replacement upper is ready to be dropped into your Mac. It comes with a threaded barrel for a Mac-10 .45 ACP and has the standard front sight on it as well. Bolt, bolt handle and other parts sold separately.

If your Mac is not ejecting the spent brass cases, it may be a worn extractor rod. As the primer is hit and the charge detonated, the bolt is hit and forced to the rear of the receiver. Once it hits the buffer, the extractor rod is pushed through the bolt assembly and along with the extractor, pops the spent case out. This rod is also know as the extractor rod. (Rod only, other parts sold separately) Please call us if you have any questions.

If your Mac-10 .45 acp is not ejecting the brass and causing misfeeds, it could be a worn out extractor. Our extractors are matched to factory specifications. Easy installation by tapping out the old roll pin. Call if any questions on their application and/or installation. For newer model bolt assemblies, please see additional photos. (bolt assembly sold separately)

This .45 acp mag well is a necessary item if you want to permanently run .45 acp grease gun mags in your Mac-10. A gun smith may be be necessary as the old mag well must be cut off by grinding down the welds and welding the new well in place. Once its permanently attached, either re parkerize the entire lower or spray it with some OD dark green paint and the grip back strap should cover it a bit as well. The best way to cover it is to order our Mac-10 molded wrap around grip. call if you have any questions.

This ejector spring works with the older Texas Mac-10 .45 acp guns. It fits a specific older style bolt. Please call if you have any questions on its application. For older model bolt assemblies, please see additional photos. (bolt assembly sold separately)

After thousands of rounds barrel replacement is recommended. This replacement barrel will renew your SMG. Easy installation takes only a few minutes, make sure to remove the barrel pin before unscrewing the barrel. Please contact us if you have any questions. Barrel thread is 3/4x10. Mac-10 9mm barrels have become hard to find, buy a replacement today while they last!

This replacement upper is ready to be dropped into your Mac or MPA. It comes with a threaded 9mm barrel for a Mac-10, & MPA 10 & 15 series. It has the standard front sight on it as well. Bolt, bolt handle and other parts sold separately. Mac-10 9mm barrels are getting tougher and more expensive to find, get yours today while they last!