No, no drop legs allowed
5.2.6. IPSC Handgun matches will not require the use of a particular type or
brand of holster. However, the Range Master may deem that a
competitor’s holster is unsafe and order that it be improved to his
satisfaction, failing which it must be withdrawn from the match.
5.2.7. Competitors must not be permitted to commence a course of fire wearing:
5.2.7.1. A shoulder holster or "tie-down" rig (visible or otherwise),
except as specified in Rule 5.2.8,
5.2.7.2. A holster with the heel of the butt of the handgun below the top
of the belt, except as specified in Rule 5.2.8,
5.2.7.3. A holster with the muzzle of the handgun pointing further than
1 meter from the competitor's feet while standing relaxed,
5.2.7.4. A holster which does not completely prevent access to, or
activation of, the trigger of the handgun while holstered.