Blade-Tech Revolution Combo Pack (Holster, DMP, T-Barrel) (Black) (S&W M&P 9/40, Right Hand) The value pack includes the new injection molded Revolution Holster, and the proven stable Revolution Double Mag Pouch and safe Training Barrel Breakthrough polymer technology won't become soft in extreme temperatures (over 300 F) and won't become fragile in low temperatures. The New Revolution Holster holds your firearm safely and securely with the Positive Lock Trigger Guard. The Double Magazine Pouch firmly holds your additional magazines. Blade-Tech's Training barrell allows you SAFE training with your actual firearm.