21. Allowed modifications are very limited and include the following:
21.1 No weighted attachments allowed to magazine.
21.2 Front sights may be trimmed, fiber optics inserted, adjusted and/or
have sight black applied. Sights must be of the notch and post type.
21.3 Replacement barrels allowed provided barrel length is same as
original factory standard. Heavy barrels and/or barrel sleeves not
allowed.
21.4 Action work to enhance reliability (throating, trigger work, etc.) is
allowed.
21.5 External modifications other than sights not allowed.
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. Modifications to grips, other than previously
mentioned, not allowed, such as grooves cut to reach mag release
or size reduction.
22. A competitor who fails to comply with any of the requirements above will
be subject to Rule 6.2.5.1
23. Competition holsters of the race gun type specifically not allowed. For clarification:
ALL retention features of the holster MUST be used. All holsters must fully
cover the trigger when the pistol is holstered. The front of holsters for autos
may be cut no lower than ÂĽ-inch below the ejection port. Revolver holsters
may be cut no lower than half way down the cylinder.