Full Size 9mm Upper, Top Cocker with 4″ Threaded Barrel Installed (1/2X28)
A Cocking Knob will be required part # MPA20-45 ($10.50)
This Upper will work with any full size 9mm MPA Lower (Serial Number starting with “B”)
Full Size 9mm Upper, Top Cocker with 4″ Threaded Barrel Installed (1/2X28)
A Cocking Knob will be required part # MPA20-45 ($10.50)
This Upper will work with any full size 9mm MPA Lower (Serial Number starting with “B”)