SIG Romeo1 to GLOCK MOS Adapter plate V3


The CHPWS V3 GLOCK MOS adapter plate is the most rugged, reliable, and trusted red dot adapter plate on the market today.
Approved for duty use by over 200 Local, State, Federal and US Military units, this adapter plate will ensure your red dot stays on your slide where it’s suppose to be.  Period.  Paragraph.

Designed and Manufactured in the USA
CNC Machined from Aircraft Grade 6061 Aluminum
Type III Hard Anodized Finish
Comes with M3 screws to mount plate to your slide and 4-40 screws to mount your red dot to the plate
Lifetime warranty against manufacturing defects

*Agency / Department Purchase Discounts Available – See Below for details*

In stock (can be backordered)




Made from Aircraft Grade 6061 Aluminum

Type III Hard Anodized “BLACK”

Fills those ugly sight gaps in front and behind your Red Dot

Four locating pins / lugs

Thinner design, Lighter Design, more than Twice the Thread Engagement to secure your red dot to the plate.

The screw sizes are machined into the plate in case you need more, you’ll know the size and length!

The C&H Adapter Plate allows you to mount your red dot to your GLOCK MOS slide perfectly

Comes with M3 screws to secure the plate to your pistol as well as 4-40 screws to secure your red dot  to the plate.

This adapter plate does not include the red dot sight.


***Agency / Department Discount Program: If a member of your Training Div or the Firearms Cadre contacts us and requests an MOS plate for Test & Eval, we will send them a sample for review and approval.

Department / Agency Test and Evaluation Process:

We send all plates out on a 30 day no cost T&E.  

After 30 days we ask that you notify us of your finding on the MOS Adapter plate T&E process.

If after 30 days you would like to keep the T&E plate, we will sell it to you at the Department / Agency Price of 25% off retail.   

Once our plate passes your internal Test and Evaluation process and is added to your “Approved For Duty Use” equipment list, please send us a copy of the approval notice and we will issue a Department / Agency specific discount code that can be used by your Department / Agency procurement personnel and / or issued to all individual officers for 25% off through our web page.

To receive your T&E MOS Adapter plate send an email to and from your Department / Agency email address containing the following information:

Name / Rank / Title

Mailing Address

Email address


Thank you for trusting us with your business.  As of July 2019, our MOS Adapter plates have been approved by over 200 local, state, federal and US DoD Units for Duty Use.  Our plate combined with our mounting instructions will ensure your RDS stays where it is supposed to through the harshest duty conditions.



Additional information

Weight .01 lbs
Dimensions 2 × 2 × .1 in

Holosun 507, Trijicon RMR (Type 1 & 2)


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