Date: 1/6/2020 18:15

Customers Q&A on Crosman Piston Seal, Fits NPSS, New NPS & Older Vantage Air Rifles


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  • Wayne from USA asked:

    Hello again, will the CRS5177-012 Piston Seal fit the Benjamin Trail np2,,i'm really struggling trying to find out which seal will replace my busted one.

    • Mark from USA:

      Any parts information would come from Crosman/Benjamin.

  • Wayne from USA asked:

    Hello, will the CRS5177-012 Piston Seal fit the Benjamin Steel Eagle?

    • Mark from USA:

      We do not have that information. There are parts lists on the Crosman website.

  • Terry from USA asked:

    So after the yes/no answer previously, does this seal replace the factory seal on an NP2?

    • Chevota from USA:

      This is the factory Benjamin/Crosman seal for the NP2. The Cory at the very bottom is incorrect. Everything I wrote below is accurate. It can be confusing with all the models, and to make it worse the factory NP2 parts list doesn't show the NP2 seal part #, but this is it.

  • Franco from USA asked:

    It works for Crosman F4, .177 Nitropiston? thank you

  • Jared from USA asked:

    What is the diameter of this seal?

    • Chevota from USA:

      It's ~1.15" OD. Thickness ~.260". Hole ID is ~.650 and .750" and the small and large ends. It's meant to fit a 29mm bore but the hole is too big for the Trail XL. >>>>> If anyone is wondering, yes this is what the NP2 uses <<<<<

  • Oscar from USA asked:

    It works for crosman quest 1000x

  • Jones from USA asked:

    Shall I fix this seal to crosman vantage spring piston air rifle ?

    • Chevota from USA:

      The item code says it's a # CRS5177-012, which is not for the Vantage. The Crosman Vantage uses # B18-04-A1

  • Rod from USA asked:

    Will this seal fit on a Crosman NP2?

    • Chevota from USA:

      Yes it fits the NP2. The item code listed under Description says CRS5177-012 which is the part # for the main seal used on the NPSS type guns which I believe were Crosman's first break barrels. The NP2 is basically a stroked NPSS and shares some parts like the trigger assy and the main seal.

    • Cory from USA:

      No, it will not. You would need the piston seal specific to the NP2.