Question for long time PCP shooters

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Just curious, in general, not counting one-off problems, because we all know that they happen, but how long will a quality PCP gun (rifle and/or pistol) go before requiring a full o-ring replacement / update ?

Not in "quesses", or "I think", but by real time shooters, that shoot their guns.



Mike
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Mike

To get a real world answer, contact Scott ( Motörhead Tuning ). I’m sure he has some definite ideas about your request. He tunes a lot of guns, but I also recognize there are many others ( Tuners and experienced shooters) on AGN who also will jump in here. 

Scott tuned my 2-year old Daystate Huntsman XL .22 and resealed all O-rings as part of the overall tune, at the time. My guns (RAW, Safari, Royale and Taipan) are all pretty new ( less than 2 years old), so I have not had to do a replace of all O-rings. I believe Scott replaces O-rings every four or five years, but contact him and he will set you straight. 

Following.... I’m curious too for the guidance and answer. 

Tom




 
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There is no simple awnser mainly due how you storage it, gun type and o-ring placement play huge role and what type of o-rings its orginally used and there are ALOT if different o-rings with totally different material quality. There is no one who could give you awnser but if its storaged right and no material flaw on moving parts to rip them we should be talking years anyways. 
 
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Oh and to add rubber products have 4year sale period from baked to end user, after 4years its not allowed to sell any rubber products as new (tires, hydraulic hoses etc etc) so from there it should take many more years but as said how its lubed, what its made from, dose it get raped by massive temperature changes all effect how long it last. 
 
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I have over 10K rounds through my, two year old, Impact and have only replaced a few o-rings, as an upgrade, and one that I damaged during re-assembly. So pretty much all of the o-rings have gone through several disassembly cycles and all those rounds and none has failed.

Barring self inflicted damage I would expect the o-rings to last at least 5 or 10 years depending of course on use and abuse. I have some Co2 and PCP guns that have lasted double that or longer.
 
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Mike, your qualifications almost preclude an answer. When will your roof leak if you never replace it? The general consensus seems to suggest resealing at approximate 5 year intervals. I know there are rifles that have gone much longer without leaking, and others considerably shorter. Statistically, I guess a median calculation would be more meaningful than an arithmetic mean, or average. Absent a leak, it's a personal comfort level thing. If I were involved in regular competition with a single rifle, I'd probably get it serviced every 3-4 years. I'm a plinker with several rifles, so I'll wait for a leak. 
 
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For me, as a hunter, I replace them every few years, but some more often. Nothing worse than planning a trip only to have O-ring issues. That said, you can wait until you have a leak. That probably will work for at least five years for some rings given good conditions and silicon lubed upon installation. Summer heat, extreme cold, high pressure, quality and type material will vary the results. This all refers to the static O-rings. Dynamic O-rings (bolt probe/regulator/valve) may can go a year or a little more if you care. If not, you can gamble on those as well.
 
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Mike, your qualifications almost preclude an answer. Funny, but you answered anyway..!

Interesting. So...which will last longer, me or my guns o-rings ?

Thanks all.



Mike
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Ha, I did! But I don't think my answer was much help. I just think there is no way to make an educated estimate. I'm retired, and with the pandemic I have plenty of time to rebuild every rifle once a month! But I've found that, sometimes, preventive maintenance causes more issues than it prevents. But, maybe if I know what I was doing........
 
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Mike, your qualifications almost preclude an answer. Funny, but you answered anyway..!

Interesting. So...which will last longer, me or my guns o-rings ?

Thanks all.



Mike
Click to expand...

Ha, I did! But I don't think my answer was much help. I just think there is no way to make an educated estimate. I'm retired, and with the pandemic I have plenty of time to rebuild every rifle once a month! But I've found that, sometimes, preventive maintenance causes more issues than it prevents. But, maybe if I know what I was doing........
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Trust me Mike. Ed is being very humble! 

I would stack Ed’s advice and experience with the best of them! You have received great input and knowledge from experienced owners and members. Which, is what you specifically requested. 

The answer is it “depends.” Consensus is 4 or 5 years as an average. 

Call Motörhead. 



 
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Used indoors.

Stored in a "dry" safe, in the vertical position. By "dry" I mean that I have about four times too many 4" x 8" bags of Deci Pak, desiccant that equal 16 units each (how much that exactly means I don't know), that get refreshed every Christmas.

The guns are stored with normally between 150 and 200 bar of pressure.

With an old cut in half sock over the muzzles.

That should answer most questions.

Thanks again,

Mike

P.s. - Hope this helps other newer shooters with the same question, or that should...have the same question.
 
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20+ years some at age 25 years and still holding air if they don't have regulators.

Close to 30 years several Career II 707s and Theoben Rapids no regulators. I sold my only after market regulated Career II 707 done by the airgun tuner in the world because it lost its previous phenomenal 200+ yard long range accuracy after the regulator thats why I got rid of it.


 
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