Howdy All,
Thanks for providing such a great place to share information on these great guns. I am anxiously awaiting my SP01's from Angus, but until they arrive I offer the followin on this topic...
USPSA Rulebook, Appendix D9, Section 21.6:
"Aftermarket grips which match the profile of the OFM standard for the approved handgun and/or the application of grip tape or rubber sleeves is permitted. Modification to grips, other than previously mentioned, is not permitted, such as grooves cut to reach mag release or size reduction."
So I guess their should not be a problem with these grips as long as they in some way replicate the original grips.