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The ADE Picatinny optic adapter provides a secure, low-profile interface between popular compact red-dot sights and any firearm equipped with a Picatinny or Weaver rail. Designed specifically for Holosun 407k / 507k and Holosun EPS / EPS Carry, it also accepts optics using the RMS / RMSc footprint.
Machined from high-strength aluminum and finished in matte black anodize, the adapter is built for durability and precise alignment. Two mounting screws are included for fast installation on standard Picatinny/Weaver rails — suitable for rifles, shotguns, and handguns equipped with those rails.
Key use: Attach your RMS-compatible red dot directly to a Picatinny/Weaver rail for reliable performance and repeatable zero.
Compatibility (clear list)
Direct fit / Designed for:
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Holosun 407k, 507k
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Holosun EPS / EPS Carry
- Holosun SCS-Carry
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ADE RD3-018 SPIKE, RD3-021 NUWA
Also compatible (RMS / RMSc footprint):
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Burris FastFire C
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Leupold DeltaPoint Pro
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JP Enterprises JPoint
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Sig Sauer Romeo 1, Romeo X, Romeo Zero
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Swampfox Sentinel
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Shield RMS / RMSc / RMSw / SMS
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Riton X3 Tactix MPRD / MPRD2
Mounts to:
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Any firearm with a Picatinny or Weaver rail (rifle, shotgun, or handgun).
Key specs
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Material: Aluminum (anodized)
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Finish: Matte black anodize
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Hardware: Includes two mounting screws
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Footprint: RMS / RMSc (fits Holosun 407k/507k, EPS, and other RMS-compatible dots)
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Mount interface: Picatinny / Weaver rail
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16 Reviews Hide Reviews Show Reviews
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Nice piece
I used mine to attach a red dot to the top of a vortex scope on top of a rifle . Worked out great now I have long range and close quarters all on 1 scope .
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good mount for romeo zero
highly recommend this product if you have a sig romeo zero sight. easy to instal and feels pretty durable. the only complaint i have is the screws don’t lay flush on the sight.
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A decent Romeo Zero to picatinny options; compatible with steel hood with some fitting.
Not a bad picatinny mount for the Romeo Zero, above average Chineseium. Other reviews complained about included-screw length and steel-hood non-compatibility... had no issues with the included screws, and after some fitting there were no issues using the steel hood. The kit comes with (loose) rear-pins, and the front pins are glued or pressed into the base. I wasn't able to pull them out after applying heat, so I carefully ground them flat, and touched up the base with aluma-black. Then I installed a set of rear-pins and everything mounted up without issue.
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Works perfectly with Sig Romeo Zero
I paired this mount with Sig Romeo Zero and a Browning Buckmark Vision Plus 22LR. They all fit together perfectly. The mount came with mounting screws, allen keys and extra post mounts
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Fits Romeo 1 optic
Fits Romeo 1 optic but you have to grind down the silver tabs for a flush fit other wise very solid mount for the price
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For Leupold Deltapoint pros, the screws are in the box your red dot came in.
Like others, I pulled out the screws with this mount - all four are too short. I ordered some M4x16 flat head screws from Amazon and 20 minutes later looked in the box the DeltaPoint came in. The screws are in a plastic bag just above the red dot and its cover. Immediately cancelled the machine screw order and installed the sight. The ones in the Leupold box are a tad over 14mm long, but it seems 16mm will fit this as well. The mounting plate seems sturdy when installed. Time will tell and I'll adjust the rating accordingly.
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very adaptable
wanted a 1913 rail adapter just for another option instead of only being able to use dovetail mount.
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Fits Great ?
Fits Delta Point and Picatinny Rail Perfect ! Great product , buy it !
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Perfect fitting on my ct reddot
Fits really well on my CT red dot model 650
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Very Satisfied
I have 2 of these mounts for my delta point pro for my pcc competition rifle. Its holds zero and I have not had any issues with 2k rounds with it.
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It fits as specified
Quick delivery and it fit the Crimson Trace mini as described
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Mounting plate
Works great and fit great
