Discussion in 'Handguns: Autoloaders' started by Girodin, Jun 18, 2013.
It's the USP series that have the odd rail.
HKPARTS.net has an Insight Technologies M2 light that is specifically made for the USP. Not cheap at $190.
Looks like some models of the TLR-4 also fit the odd USP rail.
Google "USP rail light" for more.
They don't as far as I know.
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