RMR to Holosun 407K / 507K & C&H EDC / EDC Enclosed / Olight Osight S

$79.99

THE MOST MODULAR, RUGGED, DURABLE, RELIABLE AND MOST WIDELY USED AFTERMARKET OPTICS ADAPTER PLATE.  

*THIS ADAPTER PLATE IS NOT COMPATIBLE WITH SLIDES THAT HAVE ZEV POSTS. TO HAVE ZEV POSTS REMOVED FROM SLIDE CUT IN ORDER TO USE THIS PLATE CLICK HERE*

(8 customer reviews)

In stock

Frequently Bought Together

RMR to Holosun 407K / 507K & C&H EDC / EDC Enclosed / Olight Osight S + Torx Bits T8 / T10
Price for both: $84.98

The C&H Precision plates are designed, manufactured and shipped from our small family owned business in Coastal Georgia.  Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping to our customers.

Most of our plates feature a patented stainless steel T-Nut which provide an industry leading six to seven threads of engagement.  Since all the mounting hardware is replaceable, if any mounting hardware is damaged it can be replaced without replacing the entire plate.

SPECIFICATION:

Material: Plates are made from 6061 aluminum.  All mounting hardware is Stainless Steel

Finish:  Plates are MIL-SPEC Type III Hard Anodized – Black

Replaceable 416 Stainless Steel T-Posts for maximum thread engagement

INCLUDED:

Qty 1 – Optic Plate

Qty 3 – 6-32 x .220 M3H Plate Mounting Screws

Qty 3 – 4-40 x .345 FHB Holosun 407K / 507K , CHPWS EDC / EDC Enclosed Optic Mounting Screws

Qty 3 – Patented 416 Stainless Steel T-Nuts

DRY-FITTING DISCLAIMER:
At C&H Precision, our products are designed and manufactured to meet tight tolerances. Installation can be affected by variations in your plate, hardware, optic, and firearm tolerances. For safe installation and to prevent potential damage to any component, we advise dry-fitting all parts before a full installation. If any problems arise during this process, please reach out to our Customer Service via our contact portal.
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IRON SIGHTS DISCLAIMER:
When making aftermarket firearm modifications, factory components can often become obsolete, particularly when mounting optics on the slide, whether through direct milling or using a plate. Achieving the correct height for low co-witness iron sights depends on factors such as the firearm type, mounting plate, optic, and slide cut. For assistance in determining the appropriate iron sight height for your specific setup, please contact our Customer Service team through our dedicated contact portal.

Additional information

MRDS Type

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Firearm Model Compatibility

Optic Model Compatibility

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Supported Optics Brand

8 reviews for RMR to Holosun 407K / 507K & C&H EDC / EDC Enclosed / Olight Osight S

  1. stosh4570

    Great fit between the sight and plate. Once the plate is properly attached/torqued the fit is very nice. I had to shim the back of the sight a few thousandths so I could get the proper zero. That said the adapter plate works fine.

  2. t.j.young86

    The good: Product fit great!
    The ok: The RMR screws fit perfect but the plate to the slide screws didn’t and no additional screws sizes were offered.
    The bad: I paid for $20 for 2 day air shipping, received it a week after purchasing. I’ve emailed and called numerous times about a possible refund for not receiving my product as I paid for expedite shipping with no reply back.

    I would recommend the product but not the expedited shipping and research additional screws for your pistols slide.

  3. rapparlie88

    This is the only reliable (possibly the only, period) adapter plate for the 507k/407k from the rmr footprint. Tested on a top mounted lpvo on a zastava npap for 500 rounds (as is tradition before its put on an AR) with no loss of zero. Well done as usual!

  4. jmgomolka

    The RMR to 407k adapter plate worked great. The fitment was perfect, nice an tight, Tight fit to slide, (the slide is a Alpha Shooting Sports, Conqueror), 407k fitment was perfect and the sides of the plate fit flush with the sides of the slide. Just two nit picky comments, The finish machining on the sides of the adapter is visible, The sides of the adapter plate is about the only thing readily visible of the adapter and a little more time spent cleaning up the sides would make the whole adapter look better, And holding the T studs in the adapter while fitting the adapter to the slide was a bit of a challenge. I used screws and some small washers over the T studs to hold the T studs to the adapter, while fitting it to the slide it worked great. Other than those two comments I would have rated it 5 stars.

  5. RICK URABE

    I had to wait to place my order for this plate (OUT OF STOCK) for my Holosun 507 K (green retricle), but it was worth the wait. It was a perfect fit to my RMR cut Glock 19 slide from Rocky Brass! Great sight and plate! Thank you CHPW!

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