Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

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.

“GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H.  Brownells is an independent dealer of parts and accessories for Glock® pistols, and is not affiliated with or endorsed by Glock, Inc. or Glock Ges.m.b.H.  The use of Glock on this page is merely to advertise the sale of Glock parts or components.  As indicated in the product descriptions, not all parts and accessories on this site are official Glock products.


Big Book Catalog, Issue:66, Page:216
New Product Supplement, Issue:524, Page:000

SPECS: Machined aluminum, hardcoat anodized, or Delrin (Glock® only), black. Aluminum clamp, natural silver. Glock® +5 fits 17/18/19/22/23/24. Glock® +8 fits 17/17L/18/19/22/23/24/24C. S&W M&P +5/+10 fit 9mm/.40 caliber Smith & Wesson M&P. Springfield XDM +3 fits 9mm/.40 caliber Springfield XDM.

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