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Crosman nitro venom dusk 177 parts

Bomber1961

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Hi all
My gas spring has given up I’m trying to trace a new gas spring and piston seal
Piston seal pt number B18-04-1a
Gas spring Bt9m22-00-5a
can anyone suggest a supplier
Thanks
Crosman model 6CD1K77NP
N11x00035
 
the seal is a very common seal and the gas ram i am not sure if it used on many rifles or just the Crosman, my guess it is use on many guns
now parts in the UK are different than the states but find the parts and cross reference the useable
now you see here that the seal is use on many rifles from the information
https://dlairgun.com/products/b18-04-1a-piston-seal
the gas ram is an unknown for me and if they come in different power levels for the UK vs the States
https://www.google.com/search?q=cr-...DAIgGAZAGCJIHAzMuMaAH4g0&sclient=gws-wiz-serp
 
Hi all
My gas spring has given up I’m trying to trace a new gas spring and piston seal
Piston seal pt number B18-04-1a
Gas spring Bt9m22-00-5a
can anyone suggest a supplier
Thanks
Crosman model 6CD1K77NP
N11x00035
I'd suggest your best bet is asking an RFD who sells Crosman rifles, to make enquiries through RangeRight, the UK importer
 
the seal is a very common seal and the gas ram i am not sure if it used on many rifles or just the Crosman, my guess it is use on many guns
now parts in the UK are different than the states but find the parts and cross reference the useable
now you see here that the seal is use on many rifles from the information
https://dlairgun.com/products/b18-04-1a-piston-seal
the gas ram is an unknown for me and if they come in different power levels for the UK vs the States
https://www.google.com/search?q=cr-...DAIgGAZAGCJIHAzMuMaAH4g0&sclient=gws-wiz-serp
Thanks
 
Here for a strut but you need to make sure its the right one for a UK limit airgun. Out of stock but they may be able to get more .

Check your strut to see if it has the pressure stamped on it .

It will be something like 60kg 600N min but they may not be a UK limit one.


Or try Knibbs . They do one but a different number to the one you have quoted .

 
Last edited:
Here for a strut but you need to make sure its the right one for a UK limit airgun. Out of stock but they may be able to get more .

Check your strut to see if it has the pressure stamped on it .

It will be something like 60kg 600N min but they may not be a UK limit one.


Or try Knibbs . They do one but a different number to the one you have quoted .

Thanks I sent knibbs an email
 
I may be able to help you out.
What is the diameter of your rod in the ram please?

It is possible to have your ram topped up but if it leaked once it could leak again.

From memory you need 400n for .22 and 420n for .177
 
or, you could probably change the back end out, find a similar model thats spring jobby, use the spring guide from that model etc and fit a decent spring, and piston seal.

the problem you may have with a new ram would be the fill pressure of the replacement, potentially too low, or high.
 
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