Our 300 Mag S-7T & S-7TR "Trophy Hunter" Compensators are designed to compliment the looks and function of any bolt action sporting contour rifle.
All our S-7T Comps are designed for barrels less than .620" diameter and are threaded in 9/16"-24TPI .
Whereas, our S-7TR is threaded 9/16"-18TPI and designed for barrels over .620"in diameter and will replace the factory Rem 700 Muzzle Brake.
Our S-7V (Varmint Barrel) and our S-7B (Bull Barrel) 300 Magnum Compensators are designed to give a sleek and smooth look to any bolt action varmint barrel or bull barrel contour rifle.
All our S-7V Comps are threaded in 5/8"-24TPI and our S-7B Comps in 5/8"-24 or 11/16"-24TPI.. 
All the S-7 Compensators for 300 Mag are available in Black Oxide (BO), Stainless Steel (SS) and Satin Stainless (SAT).
They will minimize the recoil and increase your accuracy.