Date: 10/12/2018 13:42
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Air Venturi Rail Lock Spring Compressor

4.513 reviewsReview, article, latest buzz
Air Venturi Rail.

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1-year limited warranty

PY-A-7764

$99.99

List Price $109.99

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  • Description
  • Customer reviews
  • Q & A: 12 answered questions

Air Venturi Rail Lock Spring Compressor

  • Attaches to Dovetail/Weaver/Picatinny Rails
  • Allows user to disassemble spring and gas piston guns for maintenance/repair
  • Lightweight
  • Works with just about any spring piston powered rifle or pistol
  • Portable and compact - Just 9" long
  • Precision Machined


Air Venturi continues to innovate with products designed with the end user in mind with the world's first portable spring compressor—the Air Venturi Rail Lock Spring Compressor.

Weighing in at only 1.5 lbs this spring compressor allows airgun smiths and tinkerers to disassemble their spring, or gas piston rifles anywhere they choose. The spring compressor mounts on any piston gun's scope rail, whether Dovetail, Weaver or Picatinny, and allows for the safe disassembly (relief of pre-load) of the gun, with no workbench setup needed. Never before has replacing broken springs, burned out piston seals or leaking gas rams been this simple! The Rail Lock Compressor is just one more example of Air Venturi's commitment to designing tools that reward airgunners who know their guns.


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Item Code: AV-A00012 [PY-A-7764]
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Average Customer Review

4.5 (13 reviews)
1 star

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4.0 4.0

4.0 4.0

By Tim from USA on 2018-10-16
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Things I liked: The dovetail attachment doesn't slip while compressing/decompressing the gun's spring. I was worried that it wouldn't hold. The compact size is very nice.

Things I would have changed: The fast release button doesn't work on mine. Air Venturi ought to just skip that and simplify the design. They'd be able to offer it at a lower price that way. The spring compressor was also a bit rusty straight out of the box. They aren't deal breakers but... I think they could have dipped the thing in packing grease and put it in a plastic bag before it left the factory. Hence my four star rating.

What others should know: I used my spring compressor to replace the spring in my Hatsan Dominator. I needed a wooden block to do the procedure. Otherwise, it was a no go. I drilled a 3/8 inch hole in the wooden block to fit over the nylon end of the screw. Then, I cut a slot on the other side of the block to fit the tapered end of the end plug on the rifle. With that wooden block, the procedure went smoothly. I didn't have to "guide" the compressor's screw at all. It stayed in place but only with that wooden block.

 

2.0 2.0

2.0 2.0

By Arthur from USA on 2018-08-26
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Things I liked: Small and does the job

Things I would have changed: The price is really too high, it also needs a swivel on the end of the ram as a c clamp has

What others should know: Just be careful

 

4.0 4.0

4.0 4.0

By Geoffrey from USA on 2018-07-17
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Things I liked: Convenient size and solid

Things I would have changed: It arrived with a missing set screw and the quick release button did not "pop" into place so thread engagement was questionable. I dressed the threads on the quick release and then the button popped into engagement so I felt I could trust it. I also added an additional screw near the rail end of the unit (a set screw opposing the clamping screw which squared up the clamping function) to provide a better grip on the dovetail. The original set-up was less than solid when mounted. With the additional set screw the unit mount is very solid and I was much more confident in its function. and operation.

What others should know: I was uneasy using the compressor as delivered especially as I was using it on a FWB-124 which is noted for a high spring tension. After my modifications I was convinced that the unit would perform well and it did. Once modified the unit worked very well and made the job easy and actually enjoyable.

 

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  • Glenn Kaye from USA asked:

    How do you use it on an HW55?

    • Gary from USA asked:

      Will this work on a Diana 460

      • Tyler from USA:

        Yes, it shouldn't be an issue with the 460

    • bill from USA asked:

      will it work on a rws34?

      • Tyler from USA:

        Yes

    See all discussions

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