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B-Square Air Gun Adapters & Risers - 3/8" to "Weaver" Adapter (2-piece base), Blue 17025
$24.39 $33.60 Save 27%
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(4 reviews)
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Tight Fitting and Solid Adapters

by RaginCajun76, from United States, LA Written on November 18, 2014
Bought these adapters hoping to be able to use Weaver style rings on a Henry H001TV .17 HMR rifle.

I had the Burris Signature Rimfire 1" Medium Rings (420554) but they were just too low to allow the BSA Sweet 17 scope to clear the rear sight. I got the same Signature Rimfire Rings in "High" but they now had more height than necessary. So I tried these adapters with the Burris Signature Zee Weaver-Mount 1" Medium Rings (420521).

Height-wise, the B-Square adapters w/ the Burris Weaver-style 1" Medium rings were right in the middle between the Burris Rimfire Medium and High Rings. Perfect!

When I tried to slide the B-Square adapters on the Henry's 3/8" dovetail they were closed too much and wouldn't fit. I had to take a small flat blade screwdriver and open them up a bit. After a couple of tries, I got them open enough to slide on fairly easily. Put them in the positions I needed and snugged down the two allen screws on each adapter. They are held firmly in place, and the correct size allen (hex) wrench is supplied w/ the adapters.

Mounted the Burris Signature 1" Medium Rings, attached and leveled the scope and I'm done.

Even with having to spread them open a bit, there was little frustration with these adapters....
Pros:
  • Low profile
  • Solid fit
  • Cost-Effective Solution
Cons:
  • Had To Spread Them Open - Minor Issue
Best Used for:
  • Rimfire Applications
Would recommend: Yes
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Well made riser / adapter

by wayne, from United States, OH Written on September 3, 2014
Wow, these risers worked perfectly, stepped up the 3/8" rail on a Geco .22 Training Rifle to allow for the mounting of a 3-9x50 scope. Now the scope sets at a comfortable height allowing the bolt to work properly. I would recommend this product to anyone looking to use their weaver scope rings on a 22 rifle....
Would recommend: Yes
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Great on rimfires too.

by Legacy Reviewer, Verified Owner from United States, AL Written on February 28, 2014
I bought these to use Weaver rings on my CZ 452 rifle. Unfortunately, CZ uses 11mm dovetails on some of their rifles, like mine, so this can further complicate mounting as compared to the 3/8 dovetail. I took a gamble and ordered these with the hopes that they would work on my rifle. They went on with little fuss and feel very secure. I had to to very little windage and elevation adjustment on my scope, so this indicates to me that they are on straight. These bases now give me the flexibility of using a variety of Weaver style rings as opposed to the very few and far between 11mm rings.
Pros: Works on 11mm dovetails....
Would recommend: Yes
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Bsquare adaptor

by Legacy Reviewer, Verified Owner from United States, CA Written on February 5, 2012
I needed to mount a Tru Glo red dot sight to my .17hmr pistol and the one from Tru Glo raised the sight an inch.I called Optics Planet and they recommended this adaptor which I ordered and it is perfect.
Pros: low profile,good fit
Cons: none...
Would recommend: Yes
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Comments on 4 User Reviews of B-Square Air Gun Adapters & Risers - 3/8" to "Weaver" Adapter (2-piece base), Blue 17025