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UTG Weaver-to-11mm or 3/8" Dovetail Adapter

UTG Weaver-to-11mm or 3/8" Dovetail Adapter

Only $9.99
  • List Price $11.99
  • availability In Stock
  • Code: PY-A-4148 · · ·
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If your air gun or rimfire gun has a scope dovetail that measures either 11mm or 3/8" (approx. 9.5mm), you can use this lightweight aluminum adapter to attach your Weaver and Picatinny rings or mount to your smaller 11mm and 3/8" dovetails.

This clever device clips into the base of your Weaver or Picatinny mount (both 1-pc mounts and 2-pc mounts), thereby reducing the size of the clamping jaws on the mount! A very easy way to make your mounts more useful for a wider range of guns. In fact you can leave your optics in the mounts and move them from gun to gun! You'll still have to resight the gun after attaching the scope, but you won't have to reset or retighten the scope in the mount.

Weaver-to-11mm or 3/8" Dovetail Adapter
  • 1" long
  • .93" wide
  • .24" high
  • .18 oz
  • 2 pieces
  • Insert into Weaver or Picatinny rings so they'll fit the smaller 3/8" or 11mm rails and dovetails often found on airguns and rimfire guns
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  • ManufacturerUTG
  • ConditionNew
  • OpticsRail Adapter
  • RailWeaver to Dovetail
  • WarrantyLifetime limited warranty
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UTG Weaver-to-11mm or 3/8" Dovetail Adapter
7 Reviews
71% (5)
29% (2)
0% (0)
0% (0)
0% (0)
100% Recommend this product (7 of 7 responses)
By Dean
Friendswood, TX
Worked Good for Me
March 5, 2019
I got for my Aspen PCP a 3X12/44 mmAO scope that has a 30mm tube,
came with medium high Weaver mounts and I needed a way to mount it to
the 11mm dovetail on the gun. These adapters did the trick. Not only
did they allow me to use the mounts that came with the scope, they
raised the scope up to a level that fit my eye.
ProsEasy to use.
ConsJust didn't know what the little setscrews in the adapters were for so I removed. No problems so far.
Best UsesUsing Weaver mounts to put a scope on a gun fixed with 11mm dovetail.
By John
Lockport New York
Good adapter
March 13, 2018
Works great
ProsCost , size
Best UsesAdapting rail
By kelly
Marysville, WA
Need it!
November 7, 2017
You need it great price if you dont want to replace the mount that the scope come with. Make sure you take the set screw off and line it up like mine.
ProsGreat Quallity and good price
An easy way to adapt
September 26, 2017
They worked just fine but I wouldn't like to mount them on
higher recoiling springers because they could come loose.
I usually put them on my c02 pistols where thereis no recoil.
ProsA good way to mount weaver type scope mounts on 3/8 and 11mm rails.
ConsI wouldn't put them on springers if I didn't have to but you can, if you take care tightening the screws
By James
Hastings, MN
Easy solution to a common problem.
March 6, 2017
I have several scopes that I like to swap between guns and this eliminates the problem of having Weaver style mounts on a scope that you need to mount onto either a 3/8 or 11mm sized mount on a gun.
ProsEasy fix to a common problem. Easy to install, not expensive, you can still use your Weaver style mounts on either a "Dovetail" 3/8 or 11mm mount.
ConsIt relies only on how tight you tighten the screws of the scope's mount as it just slips into the scope's mount and is held there only with the springs in the mount itself until you tighten the screws on the scope mount, which clamps it onto the gun and also secures it in the scope's mount. (so you can't just leave it on the gun itself..)
By Jiayu
Very Good!
January 4, 2017
Very good adapter
ProsVery good adapter
ConsToo expensive
By Jair
Cuautla, Morelos
Great but...
August 19, 2016
This one adapter have a little problem, if you don't tight it hard as hell, it will fall apart, it happens to me in a Benjamin Trail NP pistol, I put a CenterPoint red/green dot open reflex, and I don't tight it well, after a few shots the entire sight falls to the ground.
ProsVery easy to use Low price If tighten well it works
ConsA little weird design, screws can be difficult to tight if you need them to be one after the other If you need more contact surface this is not the way to go
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