Re: USPSA Production class rules question.
a list of production approved STOCK Sig's:
SIG P220, P220-1, P224, P225, P228, P229, P239, P250, P250DCc, P2009, SPC2009, SP2020, SP2022, SP2340
P226 Tactical Operations, P226 E2, P226, P226ST, P226 Sport II SL ohne Schiene, P226SL, P226SL Black, P226 Xpress, P226 X-Five Allround, P226 X-Five Tactical (not SAO version), P226R DAK, P226DAO, P226R, P226R Two Tone, P226 SAS, P226 Blackwater, P226 Equinox, P226 Stainless, P226 AL-SO, P226 SL-SO, P226 Sport Stock, P226 X-Five SO (SA/DA version only), P226 Navy, P226 SCT, P226 Elite, P226 Blackwater Tactical, P226 Combat, P226 Combat TB, P226 USPSA (Black & Two Tone), P226 Platinum Elite, P226 Enhanced Elite, <span style="color: #CC0000"><span style="font-weight: bold">P226 Elite D</span>ark</span>, P226 Gadsden, P226-SL-SO-BT, P226-MK25
SP2009, SP2022 (including Nitron and Diamond Plate versions), SP2340,
(Also P220, P229, P239 equivalents of approved P226 models with maximum 5" barrel length)
Not Approved:
P220 X-Zone, P220 Sport, P226 HSP, P226 Sport, P226 Sport II SL mit Schiene, P226 X-Five, P226 X-Five Competition, P226 X-Six, P226R Crimson Trace
hope that helps. you can find it here:
http://www.ipsc.org/rules/proddiv.php