Flexible, molded-polymer, moon clips provide a means of ejecting rimless cartridges from early and late model Smith & Wesson revolvers. High-strength, hydrocarbon polymer won't rust, break or deform; fires 300-400+ rounds before requiring replacement. Loads easily by hand without the need for special tools or costly equipment. Keeps empties together, too. RIMZ 625 fits S&W M625-4 and newer revolvers in .45 ACP. RIMZ 25 fits S&W M1917, M25 and M625-3 and earlier in .45 ACP. Mfg: Beckham Design SPECS: Hydrocarbon polymer, black. 1-7⁄16" (3.7cm) diameter. Sold in 5-Paks.