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Questions & Answers
Will these secure properly to an 11mm dovetail rail? Expert Answer

It needs a picatinny rail mount.

by Ryan Tarczynski, Gear Expert, March 3, 2021
Customer Reviews
Helpful Positive Review
These rings mounted very securely and to my surprise showed no need to lap or true according to my Kokopelli scope alignment bars. Perfectly true rings for bargain prices for a rimfire. Why can't everything be this easy?
2/2 found this helpful
Helpful Positive Review
Nice and liteweight rings by Leupold work very good for scopes that have large eyepieces on rifles that have tight scope to bolt clearance. Lives up to Leupolds reputation for excellence! At first I was skeptical about the strength of these vertical ...
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1/1 found this helpful
Helpful Positive Review
Ringmounts by DSM, February 19, 2015
This is a good product. It was easy to install on my Henry 17 HMR. Is made of sturdy aluminum and the mount is easily adjustable. It holds the scope steady and is not marking or scratching the scope finish.
1/1 found this helpful
Helpful Positive Review
3/8 rings by Legacy Reviewer, July 18, 2011
I am not used to the clamp on the reciever and scope at same time style ring and its harder but in a way actually nicer as less things to be wrong. If what your mountings to is straight (usually is with these reciever rails) and they machined em rig...
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1/1 found this helpful
Helpful Positive Review
These worked fine and looked good on a 10/22 using the standard tip-off base. Seems to be holding tight. Basic setup but still looks good.
5/6 found this helpful
Helpful Negative Review
Difficult design to align the scope by Legacy Reviewer, Verified Owner, February 16, 2012
I purchased these due to the price and quality. As these are Leupold, they do feel sturdy and of good quality. Just from a preference standpoint, I would recommend the style of mount that secures horizontally with the 2 bolts vs. vertically with th...
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2/3 found this helpful
Read All 9 Reviews
Finish:
Gloss
Ring Height:
3/8in Rimfire
Ring Quantity:
Pair
Ring Type:
Ring Set
Condition:
New
Color:
Black
Mount Type:
Picatinny
Attachment Type:
Picatinny

Code: LU-RR-57405

MPN: 57405

UPC: 030317574055

Product No Longer Available

Product Info for Leupold 3/8-inch Gloss Rimfire Ringmounts 57405

Use these Leupold 3/8-inch Gloss Rimfire Ringmounts to firmly secure an optic to your rifle. Leupold constructed these Rifle Scope Rings from aircraft-grade aluminum for a durable yet lightweight platform. These Leupold 3/8in Rimfire Scope Rings let you quickly switch from iron sights to an optic with ease. Mount a scope to your firearm with these sturdy Leupold Rifleman .22 RF 3/8-inch Rings.image

Leupold Rimfire Ring Height Chart:

3/8" Medium: .87"
3/8" High: 1"
11mm Medium: .85"
11mm High: .98"
13mm Low: .72"
13mm Medium: .84"

Features of Leupold 3/8-inch Gloss Rimfire Ring-Mounts 57405:

  • Aluminum
  • Gloss Black finish

Package Contents:

  • Leupold 3/8-inch Gloss Rimfire Ring Mounts 57405

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List of Unorderable Models

  • Leupold 3/8-inch Gloss Rimfire Ringmounts 57405 , MPN: 57405 , UPC: 030317574055 , Code: LU-RR-57405
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Last updated 2026-07-14 UTC.