Increases Capacity Up To 10 More Rounds

Extended base pads of machined aluminum or Delrin® clamp securely to the magazine with an aluminum retainer plate, eliminating unexpected “speed-unloads” when a plastic snap-on extender fails. Designed to keep magazine overall length within the 140mm and 170mm USPSA and IPSC limits. Glock models include extended magazine spring, and are available in Drop configuration that fits “drop-free” magazines or Non-Drop Pad that fits original, non-drop magazines. Glock +5 adds 5 rounds of .40, 6 rounds of 9mm. 140mm OAL for USPSA. Glock +8 adds 8 rounds of .40, 10 rounds of 9mm. 170mm OAL for IPSC International Open class. S&W M&P +5 adds 5 rounds of .40 caliber, 6 rounds of 9mm. 140mm OAL for USPSA Limited competition. Uses factory spring. S&W M&P +10 adds 8 rounds of .40 caliber, 10 rounds of 9mm. 170mm OAL for USPSA Open Division. Includes extended magazine spring. Springfield XDM +3 adds three rounds of 9mm or .40 caliber. 140mm OAL for USPSA Limited competition. Uses factory spring.