Smith & Wesson OEM Black S&W M&P 45 (Auto) ACP Handgun Magazine - 8 Rounds. Detachable finger rest. Featuring durable stainless steel construction with a natural stainless finish, heat-treated spring wire and an optional polymer grip extending baseplate, these magazines provide a practical factory-made upgrade to your M&P Compact 45 pistol. Combining big-bore stopping power with a state of the art, American made, striker-fired pistol that's tough enough for military & police use, Smith & Wesson's M&P 45 is a hard-hitting contender for best modern service pistol out there. Thanks to the extra grip area provided by the optional finger rest, these 8-round mags are ideal for target shooting, home defense, or other uses where maximum concealment isn't absolutely necessary. These magazines will NOT work with M&P45 2.0 Compact pistols.