There seems to be a pretty decent sale on their 9mm PCC comp. For the sale price of $20, its worth giving it a shot.

https://www.primaryweapons.com/product-url-5248

I could only find a couple reviews on another site here:
https://www.rainierarms.com/pr...ine-compensator-9mm/

This message has been edited. Last edited by: dbgeek,