- Cartridge : Reciever only
- Weight :2.1875 Pound
Accepting Sig Sauer M17/P320 Magazines, the CMMG Mk17 delivers a new level of performance to the PCC world. Not only is it on an elite playing field in terms of fit and function, the Mk17 brings out all the features you’ve come to expect from CMMG, including Last Round Bolt Hold Open. Designed to operate exclusively with the CMMG Radial Delayed Blowback upper, or build using a Barrel and Bolt combo.