Gemtech Gm-45/blackside Threaded Rear Mount Adaptor, Threadpitch, 300 Blackout.
Product Type: Adapter
Fit: GM-45/Blackside
Description: 5/8X24
Caliber: 300 Blackout
Product Type: Adapter
Fit: GM-45/Blackside
Description: 5/8X24
Caliber: 300 Blackout
