CZ base pads extend magazine capacity for the Shadow 2, SP-01, TS, and Czechmate platforms that dominate USPSA Production, Limited, and Open division podiums. CZ's wide-body double-stack frame and Mec-Gar-pattern magazine tubes are the standard in Production division worldwide, and a properly fit base pad is one of the most common first upgrades CZ shooters make to push toward division capacity limits. Henning, TTI, and Arredondo extensions are all built around Mec-Gar-compatible tube dimensions so they drop onto factory CZ magazines without modification. Czechmate shooters running Open division builds get extended options sized for that platform's higher-capacity tube, while Shadow 2 and SP-01 shooters in Production and Limited get pads tuned to stay within their division's stricter capacity caps. TS shooters competing in Limited or Open also find compatible options here, since the TS shares core magazine tube dimensions with the rest of the CZ competition lineup. Extended base pads improve reload consistency by giving the support hand a longer, more predictable surface to index against during a mag change. Fast same-day shipping on most orders at Shooters Connection.