IPSC, factory only parts, no machining or anything like that. Only minor fitting allowed to make factory parts work with factory guns.
Would that mean a Tanfoglio Stock (type) can have a trigger components replaced by tanfoglio factory parts? According to Appendix D4 an OEM part Original Equipment Manufacturer parts are ok. I guess getting Extreme Hammers and components for a Tanfo is completely legit. As long as machining beyond getting them to fit is never performed.
Appendix D4
Original parts and components offered by the OFM as standard equipment, or as an option, for a specific model
handgun on the IPSC approved handgun list are permitted, subject to the following:
16.1
Modifications to them, other than minor detailing (the removal of burrs and/or adjustments unavoidably
required in order to fit replacement OFM parts or components), are prohibited. Other prohibited
modifications include those which facilitate faster reloading (e.g. flared, enlarged and/or add-on
magwells, etc.), changing the original color and/or finish of a handgun, and/or adding stripes, stippling or other embellishments.
16.2
Magazines accessible to a competitor during a COF must not contain more than 15 rounds at the Start
Signal. Identifying marks or decals, internal capacity limiters, bumper pads and additional witness holes,
which add or remove negligible weight to/from magazines, are permitted.
16.3
Sights may be trimmed, adjusted and/or have colors applied. Sights may also be fitted with fiber optic or
similar inserts.