Date: 29/10/2020 1:48
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CR Nitro Piston, Fits Select Benjamin & Crosman Air Rifles

4.515 reviews
CR Nitro Piston

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1-year limited warranty



List Price $49.95 Save $20.00 (40%)

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Replacement Crosman Nitro Piston

  • Fits Benjamin Trail and Crosman Nitro Venom air rifles
  • Smoother cocking
  • Smoother shooting
  • No spring torque
  • No spring fatigue, even if you leave it cocked for hours
  • Functions perfectly in cold weather
  • Installation is not included in the price

This is a replacement unit that fits the Benjamin Trail NP and Crosman Nitro Venom air rifles.

For professional installation only. Instructions NOT included.

In stock

Item Code: CR-BT9M22-00-5A [PY-A-3830]
Weight0.23 lbs

Average Customer Review

4.5 (15 reviews)
4 star2 star1 star

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5.0 5.0

5.0 5.0

By Nettie from USA on 2020-06-05
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0.00 ratings

Verified Purchase

Things I liked: Great item ahipping fasr came on time wrks great with my hun which is a crosman thrasher 22 it more powerful will recommend to buy and will buy again for sure

Things I would have changed: Non

What others should know: Non


5.0 5.0

4.0 4.0

By William from USA on 2019-11-29
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0.00 ratings

Things I liked: Installed this on an original Benjamin nitro piston synthetic stock air rifle along with a new seal. Used super lube 100% silicone lube for the seal. Great improvement over the stock gas spring. I baked on a Teflon/moly epoxy coat on the piston that the seal is installed on. This coating is self lubricating due to the Teflon moly. Super lube worked well with the seal, although it is thick like honey (doesn't take much). Rifle absolutely loves the H & N copper spitzkugel very accurate out to 50 yards if the wind isn't blowing. Overall very satisfied with pyramid air. Had only 1 complaint.

Things I would have changed: None

What others should know: If you buy the cr piston for the plain Benjamin nitro trail. The piston rod is larger than the original and will not fit in the machined recess for the piston. (Original was machined to a smaller diameter to mate in the piston recess). My solution was to grind down the 1st 3/8" to more of a point to fit in the machined recess. My piston rod fits tight in the recess and I haven't had any problems. One thing I did to accurize my Benjamin was to recrown the barrel with a brass screw and automotive valve grinding compound. Made big difference in accuracy, factory crown wasn't done well.

5.0 5.0

4.0 4.0

By Ted on 2019-09-27
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0.00 ratings

Things I liked: Easy to change and seems better than the original. Will be interesting to see how long it last (the factory one did not last very well). Price is a little steep.

Things I would have changed: Lower the cost


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  • John from Canada asked:

    Hi does it work in a crosman shockwave nitro piston and does it have all the seals

    • Mark from USA:

      Yes It will work.We do not have any instructions.

  • Michel from Canada asked:

    On the shaft (the black part) of the original BT5M22-00-1A, there is a metal o-ring which I guess is necessary in order to maintain a constant gap between the piston and the gas spring. However, this o-ring is not apparent in the picture of the advertised CR Nitro Piston. Any explanation for that?

    • Mark from USA:

      For that information ciontact Crosman.

  • Michel from Canada asked:

    I do have the Crosman F11 in .22, canadian 495 fps max version. The rifle comes with the BT5M22-00-1A gaz spring and a 190 mm piston (there is no hole in it). If I ONLY replace the gas spring, what can I realistically expect in terms of fps with standard 14gr pellets?

    • Mark from USA:

      If the upgraded piston fits, You will get 750-800 FPS.

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Compatible with CR Nitro Piston, Fits Select Benjamin & Crosman Air Rifles