Prone Handstop for NRA Match Rifles, Small bore rifles and Palma Rifles. Avalible to fit Flat bottom Stocks, 2" DIA round stocks/handguards and 2.25" DIA round stocks/handguards. Comes complete with clamp, T-nut, QD cup and 1.5" Sling Swivel. Clamp handle is positionable. Anodized black is standard finsh, raw machined finish avalible on request. 1.5" DIA palm radius for all day shooting comfort.