GEMTECH GM-45/Blackside Fixed Threadmount M13.5X1 LH

DEAD AIR ARMAMENT Odessa Fixed Mount M13.5x1LH 9mm

JK Armament 155HD Thread Mount 1/2-28, Armor Black - Secure, Reliable Mounting - JK-155-HDM28

YANKEE HILL MACHINE COMPANY Sidewinder Piston 9mm 13.5x1 LH Threads | Stainless

Gemtech GM-9 Thread Mount 1/2-32

GEMTECH Black 1/2X28 Threaded Rear Mount (12172)

GEMTECH GM-45/Blackside 5/8-24 Threaded Rear Mounts (12194)

GEMTECH GM-45/Blackside 1/2-28 Threaded Rear Mounts (12196)