Replace your spring retainer, spring, and piston for this fixed thread mount. It allows the use of the Octane 9 and Octane 45 on a fixed barrel firearm. It is made of stainless steel with a black oxide finish.
This item has .5x28 threads.
|Series||Fixed Mount .5x28|
|Chokes Included||.5x28 tpi|
|Caliber Or Gauge||Fixed Mount|
Determined at checkout.