The Ultradyne Mercury has been meticulously engineered to provide superior recoil reduction and neutralize muzzle rise with a smooth, balanced release of blast energy. Progressive 90Adeg side ports vent combusting gases at intervals that spread out the recoil impulse for efficient, accurate follow-up shots. The Mercury Compensator is light-weight and includes wire-cutter design on the front. FeaturesDynamount Compatible Progressive 90 Degree PortsShrouded Timing Nut Mounting416 Stainless Steel with Ultra-Rugged SB Nitride FinishPairs easily well with the Dynamount Sighting SystemNotes: 22 Caliber: Rated for the standard cartridges in the following calibers: 223 Rem, 5.56 x 45 NATO, 224 Valkyrie, 224 Weatherby Mag, 22-250 Rem, 222 Rem Mag, 222 Rem, 22 Nosler, 220 Swift, 22 PPC, 22 BR, 22 Hornet, 204 Ruger, 218 Bee264, 6.5mm: Rated for the standard cartridges in the following calibers: 6.5 PRC, 264 Win Mag, 6.5 Rem Mag, 260 Rem, 26 Nosler, 6.5-284 Norma, 6.5A-47 Lapua, 6.5&time...