Known to properly fit the following guns:

Glock Models with or without Finger Grooves 17, 18, 19, 20, 21, 22, 23, 24, 26*, 27*, 29, 30, 31, 32, 33, 34
S&W Models 39, 41, 59, 422, 622, 645, 669*, 745, 909, 2206, 3906, 6906* and 3rd gen. series 1000, 4000, 45000, 5900, 6900 with or without frame mounted decockers - Sigma 9mm and .40
SIG Sauer Models P220, 225, 226, 228, 229, 230, 232, 239 and 245
Ruger Models P85, 89, 90, 91, 93, 94, 95, 97 and 22/45
Colt Double Eagle
Beretta 84*, 85*, 92, 92C*, 96 and Cougar
Browning Buckmark, Challenger II, BDA*, Hi-power and clones
Taurus 92, 92C*, 99, 100 and 101
EEA Witness 83* and 85
Springfield P9, Tanfoglio, CZ75 and clones
Astra A-100 and Constable II*
Interarms Firestar*
Walther P-38, P-88
Llama Omni
Makarov
Steyr GB
KBI BK and Compact GKK-92c
Bernadelli PO18S
Daewoo DP51
Heckler & Koch USP, full size and compact, and 70-Z
Intratec TECDC9 and TEC22
Automag III
Zastava 99
High Standard Victor
Jericho 9mm
Star Fire
Etc., etc., etc.

* Requires minor trimming
NOTE: Do not use any guns with grip safeties such as Colt .45 style pistols or Para Ordnance frames