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Bullseye ZR 1-Pc Mount, Fits 1" and 30mm tubes, 11mm Dovetail, 0.04" Droop Compensation, Recoil Compensation

3.526 reviews
Bullseye ZR 1-Pc.

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1-year limited warranty

PY-A-5495

$59.99

List Price $79.99 Save $20.00 (25%)

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Estimated in-stock date 04-29-19
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  • Description
  • Customer reviews
  • Q & A: 6 answered questions

This product is out of stock.
Estimated in-stock date 04-29-2019.
Place your order now for delivery priority!

Diana Bullseye ZR (zero recoil) mount

  • Fits 11mm dovetail
  • FIts 1" and 30mm scope tubes (use included ring inserts for 1" tube scopes)
  • 4 hex screws per ring secure optics
  • Overall length: 4.75"
  • Length of dovetail mount: 2.625"
  • 3 hex screws fasten the base
  • 0.04" droop compensation (approximately 1mm)
  • 100% recoil compensation
  • Vertical scope stop pin
  • Includes hex wrench


This unusual mount from Diana delivers up to 99% recoil reduction to your scope.  The manufacturer says you can use budget scopes on high-power air rifles because the mount is rigid and has holding power.  Whether you use a 1" or 30mm tube scope, the ZR mounts will work for both sizes!  Plus, some air rifles have droop, making it difficult to mount and sight-in a scope without resorting to shims. This mount comes with 0.04" (1.016mm) droop compensation built in.



Item Code: DIA-41200401 [PY-A-5495]
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Average Customer Review

3.5 (26 reviews)

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2.0 2.0

2.0 2.0

By william from USA on 2019-03-04
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Things I liked: Nice idea, but not trouble free

Things I would have changed: Eliminate slop from rails

What others should know: Add me to the reviews indicated slop in the rails, PIO shifts, and easy to strip rear clamp bolt. Take note that there are 4 grub screws that snug the rings to the rails. These do loosen up and require attention if you begin to feel slop. You must remove the scope to acces these little grubs in the base of the rings. Even after tightening these and eliminating "some" slop, there is still clearly detectable (a few thousands?) of slop in the rails. This mount shot fine for a couple of thousand pellets, but then started having mysterious PIO shifts that I have not been able to solve. Back to the drawing board.

 

1.0 1.0

2.0 2.0

By Jim from USA on 2019-02-22
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Things I liked: This product is CRAP! I have three of them and none of them can hold Zero! I am a machinist with over 40 years of high tech engineering project and model making experience. This product is a really great concept and engineering design. However having said that the company doing the machining is not doing a proper job of checking the holes the shafts are sliding in. After not being able to zero my new Hatsan 125 break barrel the shaft slop or play was suspect. The difference between whole diameter and shaft size was .002-.003 of an inch. In order for the Scope to maintain a proper zero, this fit, what is called a running fit, should be a sliding fit of not more than .0005 inch max. After gluing the shafts in place making them solid like a normal mount the gun shot perfectly acceptable tight groups. And was easily repeatable time after time.

Things I would have changed: Make the holes for the shafts a sliding fit of not more than .0005 inch max. I still like the mount for the droop compensation and the ability to use a scope with either a 1inch or a 30mm tube. More choices.

What others should know: If your mount won't zero, just use instant glue to secure the shafts from moving and your gun will be a shooter.

 

5.0 5.0

5.0 5.0

By John from USA on 2018-12-29
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Things I liked: Sits well for me on a Diana 34. Great position for eye relief and height. Construction seams very good. Droop compensation is also a plus. I have a 30mm scope, and it sits very solid in the mount. I did not try a 1", but believe it would as well. All in all, I am extremely happy so far.

Things I would have changed: I have not been able to figure out the stop pin, but I have not had any movement to date. Also, maybe it is not needed, but I would have put rubber 0-rings as a buffer between the front of the mount and the forward rings.

What others should know: It is a little more than some other mounts, but if it does preserve a scope while being very stable, I think it's a great investment. The scope often moves when I close the rear cap. It makes me smile, but accuracy seams consistent with the previous mounts I used. However, it is a much more comfortable position.

 

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  • Tyler from USA asked:

    Does this mount fit on a UTG 4-16x40 AO Rifle Scope? I'm mainly concerned about the length form ring to ring. Also, can someone please confirm it fits the Wather Terrus? Thanks

    • Tyler from USA:

      Yes it will fit that scope. And it can be mounted on the Terrus

  • Ben from USA asked:

    Will this accept a 3-12 bug buster? Issues with scope length?

    • Steven from USA asked:

      I have a Crossman Venom Nitro Piston with an integral Weaver style rail. Will this fit the rail?

      • Tyler from USA:

        Sadly no, this will only fit dovetail rails

    See all discussions

    This product is out of stock. Estimated in-stock date 04-29-2019

    Compatible with Bullseye ZR 1-Pc Mount, Fits 1" and 30mm tubes, 11mm Dovetail, 0.04" Droop Compensation, Recoil Compensation

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