STACCATO 2011® DUO™ UPGRADE 8-32 Hole
Upgrade program is only for Pre-2020 model STACCATO 2011® DUO™ Pistols that DO NOT have the single 4mm hole above the firing pin retainer.
We will CNC mill the hole and thread mill the hole to accept the factory 8-32. This screw is used to mount the Low Profile RMR / Holosun adapter plate.
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