scooterj
Well-Known Fanatic
Straight from the USPSA rule book
Authorized modifications Milling of the slide to insert sights, add
or remove serrations, such as cocking or
flat topping, tri-topping the slide, lowering
ejection ports, cuts that are minor
and cosmetic in nature are permitted.
Duplicating features that are on a factory,
mass produced slide available to the general
public is permitted. Cuts that are
designed to specifically or significantly
lighten the slide, such as holes, or slots,
are ruled as competitive advantage and
prohibited.
Authorized modifications Milling of the slide to insert sights, add
or remove serrations, such as cocking or
flat topping, tri-topping the slide, lowering
ejection ports, cuts that are minor
and cosmetic in nature are permitted.
Duplicating features that are on a factory,
mass produced slide available to the general
public is permitted. Cuts that are
designed to specifically or significantly
lighten the slide, such as holes, or slots,
are ruled as competitive advantage and
prohibited.