Ruger 10/22 Extreme Stock by Revolution The Extreme "silhouette" styled gun stock, with palm swells, a rollover style cheek piece and a semi-beavertail forend features cut-outs in the forend and stock to reduce weight. Vertical thumbhole grip and specifically contoured forend give this model a great feel. This drop-in style gunstock is complete with a rubber buttplate and a semigloss weather resistant finish. Barrel channel fits .920 diameter barrels. Revolution by Keystone - We original contracted with Keystone Sporting Arms to make these stocks for us under our private EABCO label. They eventually brought all of their stock making under the "Revolution" brand name. And that brand has EARNED a near perfect reputation throughout the firearms industry for fit, finish, and quality. We are VERY proud to be a distributor for Revolution Stocks by Keystone.