When it comes to high cap magazines there are a few that are extra wide, most notably Para's and Glock's. For these situations you need something wider than ST1 provides so we came up with ST2 which covers a lot of them as seen on our chart.
ST2 25.4mm x 37.5mm • 1” x 1-1/2”
Most Wide Body Double-Stack Magazines
Astra - A100
Beretta - Cougar 8045, 9000
Bersa TPR45C
Caspian - Hi Cap
CZ 07, CZTT
EAA Witness
Glock - Mod.17, 19, 21, 22, 23, 26, 27, 30, 36
HK - USP45 & Compact
Kimber - Hi Cap
Para Ord. - 45's
Rem. RP9
Ruger - SR45
Sig - Pro
S&W - M&P 45, SD40VE
Springfield XDMS .45
STI - Hi Cap
SVI - Hi Cap
Taurus - PT145
Walther - Creed