Thunder Beast: Magnus K RR SR Suppressor (30 cal)

The Magnus-K-RR SR (Reduced Recoil version) is the best choice if you want recoil reduction and the least length added to your rifle. Recoil reduction (using 300WM number for comparison) is over 60%. Shooter's Ear sound reduction is about 10 dBA louder than the non-RR version.

SR Attachment.  

Comes with one 5/8x24 SR brake