Date: 25/6/2019 9:6
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Crosman Piston Spring, Fits Optimus Breakbarrel air rifle

4.04 reviews
Crosman Piston Spring.

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1-year limited warranty

PY-A-7717

$14.99

List Price $19.99 Save $5.00 (25%)

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Crosman Piston Spring

  • Fits Crosman Optimus models CO8M22X, CO1K77X and CO1K77
  • Fits non Nitro-Piston Crosman Phantom models: CS1K77 and CS1K77X.
  • Does not work with the Youth Raven breakbarrel.

Replace the worn spring in for your Crosman spring breakbarrels. Get your gun back in shooting condition and pick one up today!

Tech Tip: Crosman informed us that this spring would work with most non-Nitro-Piston Breakbarrels, but not the Youth Raven Breakbarrel which requires a specific spring.

 




Limited Quantities


Item Code: CR-B18-00-4D [PY-A-7717]

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Average Customer Review

4.0 (4 reviews)
4 star3 star2 star

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5.0 5.0

5.0 5.0

By Jeff from USA on 2019-06-05
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Things I liked: Restored my Optimus to full power! Perhaps even slightly more powerful than new! Easy installation, no spring compressor needed.

Things I would have changed: Nothing

What others should know: After installing the new spring, the first few shots were dieseled and very loud but it settled down.

 

5.0 5.0

3.0 3.0

By MikeyB from USA on 2019-01-15
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Things I liked: Perfect fit. Restores MANY Crosman break barrel air rifles potential back to factory specs.

Things I would have changed: Lower price? Otherwise nothing.

What others should know: I've purchased this spring pn# B18-00-4D direct from Crosman before and just received another batch. Same size wire, coil count, id and od as before (pn# B18-00-4D). This spring fits every Crosman breakbarrel springer I own AND about a dozen different "clone" rifles made in China using mostly identical parts. ALL of these air rifles are fun accurate shooters, but occasionally need a little TLC (and a new spring) after several thousand pellets. Not sure why it didn't work in a Phantom 1000X as the Phantoms part list calls for this exact part number. Regardless, if your rifle parts list calls for the B18-00-4D spring, this spring will fit and perform well. If the rifle is well-used it may also need a new piston seal and breach seal. These part numbers may vary a bit on different Crosman models so it is best to confirm the correct part number using your specific parts list. Changing all 3 of these should have your Crosman break barrel shooting "like new".

 

1.0 1.0

1.0 1.0

By Phil from USA on 2018-08-14
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Things I liked: Did not like!

Things I would have changed: Return the springs(2 of them)

What others should know: This spring does not fit the Crosman Phantom 1000 Model # CS1K77BV. The spring is to long (by 1.25 inches) This will not allow the trigger catch to grab the piston.

 

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  • sunny from USA asked:

    My air rifle is Ruger Impact 22cal. I need to replace its broken pistol spring. I just wonder if it is fit for my air rifle. Please reply so that I decide to order it or not. Many thanks.

    Compatible with Crosman Piston Spring, Fits Optimus Breakbarrel air rifle

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