Choose the action that the pros use! Impact Precision 737R actions have been a preferred action for PRS shooters.Don't settle for pinned rails or recoil lugs. The Impact Precision receiver body is a made out of one single piece of material, ensuring the most rigid end product with no chance of warping or your rail coming loose when you need it most. FeaturesIntegral Recoil Lug20 MOA RailOne Piece Bolt DesignCompatible with AICS or AW Style Magazines75deg Bolt Throw Note: Actions will NOT work with BDL Style Hardware