We manufacture exotic and unique products for submachine guns and assault weapons.

STONYCREEK ARMORY is the inventor and owner of the patent pending, ATF approved Suomi/MAC upper receiver kits!
We are the ORIGINAL company to offer the HK MP5 adjustable sighting system on the Side cocker uppers for your COBRAY M11, M10, M12 SWD M11, M12 RPB M10/45, M10/9, M11/380 MAC M10/45, M10/9, M11/380 LEINAD PM11, PM12 and The INGRAM Line of Firearms, and INTRATEC TEC9 firearms.We are also the ORIGINAL company to use solid steel CNC machined riser blocks, and these other unique items like the AR adjustable CAR stock adapters, Thompson SMG conversion kit and the 72rd "Drum" magazines for the M11/9, UZI-9, COLT AR15/M16 9mm and the TEC9 and the incredible One piece solid aluminum tactical front grip. We take great pride in our work. All our welders are certified to aerospace specs. The machinist that manufacture our parts are of the highest quality and use the newest CNC machines. All STONYCREEK ARMORY original parts are manufactured in the USA! We have many new and unique products on the way. We are here for you today, tomorrow and well into the future! The other guys...who knows??? Shop here with confidence!

Thank you.

Stonycreek Armory.