KSC - MP9 A1 SMG - OD mk22 They all use a metal

They all use a metal version 3 gearbox system and are compatible with Version 3 parts

Alloy Construction

Since this is really a matter of a few millimeters

The rail is fully compatible with M-LOK attachments

KSC - MP9 A1 SMG - OD mk22 They all use a metalThe Brgger & Thomet MP9 is a submachine gun chambered for the 919mm Parabellum cartridge. The MP9 is a development of the Steyr TMP whos design was purchased by Brgger & Thomet from Steyr in 2001, changes include include a stock that folds to the right side of the weapon, an integrated Picatinny rail, and a new trigger safety. Since its introduction in 2004, the MP9 has seen service in about half a dozen countries around the world including the United