TTI Base Pad Kit for Glock 17 5/6 Flat Black%u200B Features: It features a unique push pin design that locks the base pad to the magazine and makes field stripping a breeze without the need for specialized tools. With a focus on competition shooting the TTI Glock base pad will fit in USPA 140mm gauge so you can easily get an edge over the competition. Works with OEM follower springs for ultimate reliability. Another benefit is the added weight helps magazines to drop freely for faster reloads. TTI Base Pad Kit for Glock 17 5/6 Flat Black%u200B Specifications: Compatible with G17/19x/22/24/34/35/45 double stack magazines Not compatible with older U-Notch feed lip models Not compatible with Glock 19 magazines 6 9mm and 5 .40 Caliber Patented push pin design for easy installation No specialty tools required Machined from billet aluminum Black hardcoat anodized Fits USPA 140mm gauge Made in the U.S.A. Weight: 1.6 oz Length: 1.5"%u200B DISCLAIMER: This product is not manufactured authorized endorsed or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.