Elite Force S&W M&P9 Performance Center GBB Pistol (Black)This sleek M&P 9 Performance Center model is a Smith & Wesson airsoft pistol that will fit naturally into your airsoft gear. This replica airsoft gun runs on green gas and comes standard with a 23 round drop free magazine. Its full blowback action and 315 fps velocity with a . 20g Elite Force airsoft BB is nothing short of exceptional. Smith & Wesson, M&P, and M2. 0 are trademarks of Smith & Wesson Brand, Inc. used under license by UMAREX.