Ultra Low Profile RMR Optics Adapter Plate for STI 2011 DUO Pistols

From: $144.95

The Ultra Low 2011 Rear Sight Plate, created for STI® DUO™ pistols, will lower your RMR mounting height by .100″.  It also comes with a rear sight designed in collaboration with 10-8 Performance. This plate fits Trijcon RMR and SRO, and also fits the Holoson models that are compatible with the RMR footprint. As with our other V4 plates, this unit features replaceable steel t-nuts.  Also comes with all the mounting hardware you need for RMR/SRO and Holoson, as well as the proper driver bits and vibra-tite thread locker for mounting.

Description

The Ultra Low 2011 Rear Sight Plate, created for STI® DUO™ pistols, will lower your RMR mounting height by .100″.  It also comes with a rear sight designed in collaboration with 10-8 Performance. This plate fits Trijcon RMR and SRO, and also fits the Holoson models that are compatible with the RMR footprint. As with our other V4 plates, this unit features replaceable steel t-nuts.  Also comes with all the mounting hardware you need for RMR/SRO and Holoson, as well as the proper driver bits and vibra-tite thread locker for mounting.

10-8 Performance 2011 fiber optic front sights, CHPWS optic mounting plate compatible.
  • .195″ height – for full sized Staccato 2011 DUO models (P 4.15″, P 4.45″, XC) in conjunction with CHPWS Ultra Low Profile Adapter Plate
  • .210″ height – for 3.9″ barrel Staccato 2011 DUO models (C, C2) in conjunction with CHPWS Ultra Low Profile Adapter Plate
Fiber optic rod is .060″ diameter, with .075″ flared head diameter on blade face, comes with 1 each red and green fiber rods, not installed.
**Please note that these front sights are not compatible in elevation with factory Staccato DUO sights.**
***The Trijicon SRO sits flush in height with the rear sight on the CHPWS plate, and it is not possible to see the iron sights over the body of the SRO. The CHPWS plate/10-8 front sight combo is designed around the RMR and Holosun 407c/507c.***

NOTE:  If you have a pre-2020 DUO pistol that does NOT have a 4mm threaded hole above the firing pin retainer from the factory, you’ll need to have one milled to anchor this adaptor plate to your slide.  See the CHPWS site for more info and to get this upgrade:

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