GTA
All Springer/NP/PCP Air Gun Discussion General => PCP/CO2/HPA Air Gun Gates "The Darkside" => Topic started by: FlyFisherMan101 on June 04, 2023, 09:07:28 AM
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Hi everyone is there a patch that is less abraisive to the barrel breech pellet prob oring ?
I have been useing a synthetic type material patch and after lots of shooting and cleanings
the pellet probe oring starts to leak.How tight must the patches be when pulled through
the barrel as i sometimes just pull a few tight patches through the barrel without lube or
balistol on them as i dont want to remove everything in the barrel.Should the patches
squeak when pulled through the barrel ? And is cotton patches the best type to use?
I ordered a pack of 50 breech prob orings they are supposed to be Buna-n Nitrile 70%
hardness but i think they might be from china i will cheak each one befour i install.
Also what is the best Oring pick and where can i buy it thanks again
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I’d do it with a toothpick if I can.
Never had to use a dental pick on my barrel O-ring, and yes, you have to remove them 1st before cleaning ‘cuz they can only take so much abrasion.
There are plastic O-ring picks out there, or you could dull the metal-tipped ones a bit.
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Most Breech Probe o-rings are Buna/N and while resilient allowing both pellets and probes ( I.D / O.D. uses ) to wear against them ... O-Rings Do Wear Out !!!
Thus .. periodic replacements are just part of the on going maintenance required.
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Thanks guys
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AG’s are not like PB’s where you need to clean them all the time. This has never been an issue for me because I just clean the gun when I first get it and that’s it.
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Ditto here. I only clean if I think accuracy is affected.
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I clean my barrels frequently...I can’t fathom how tight cotton patches will cause any wear to a breech O-ring. A bronze brush? Sure. But not cotton patches.
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I dont,maybe I should but I just dont….but I do keep them wiped down ..I hope that counts….good luck
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Thanks everyone thanks Jason
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I clean my barrels frequently...I can’t fathom how tight cotton patches will cause any wear to a breech O-ring. A bronze brush? Sure. But not cotton patches.
It probably depends on the quality of the O-ring, but why risk it if it’s easily removable?
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For every cotton patch that goes through the O-ring, there will be 100 pellets passing through it. Pellets that aren’t as compressible, and which frequently have parting lines and flashing around their perimeter. Therefore I’m just not concerned about the cotton patches.
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The second half of the question- about o-ring picks... Make your own out of soft brass stock (Woodsmith has them, as do most hobby supply stores, or order round stock off Amazon).
Shape/flatten and then polish it with progressively finer grit stone until you cannot feel it snag on any fabric.
I still have several of the picks I made while on active duty- a couple flat "spatula" style as well as curved and one "shepherd's crook". These are tools you'll find are worth the effort to make right.
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thanks peter
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Betty Lou buys bags of those green plastic tooth pick deals with the dental floss built in. I snag a few of those and keep them in my gun cleaning kit. I cut some of the pointy end off because they are weak and sharp. They work great for picking out orings.
And yes, orings are considered perishables and need to be changed periodically.
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Great idea thanks bill
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If you can find your size needed, those polyurethane O-rings last a lot longer when used in the breech.
I use a metal dental pick to remove the breech O-ring in my Marauders. I use some silicon grease to install the new one. It's tricky but this can be done with practice and without removing the barrel.
I use a brushless boresnake (brass bristles removed) between deep cleanings. These work very well to clean out dust and to extend deep cleaning intervals.
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Yeah, I have crappy luck. If I use anything metal to remove an oring I'll surely scar the oring groove and cause a leak.
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Yeah, I have crappy luck. If I use anything metal to remove an oring I'll surely scar the oring groove and cause a leak.
I thought so too... but sometimes the only thing that got the job done was my dental pick.
What I did to ensure my use of the SS pick did no damage was to carefully round the end of the DP with a diamond file then use a felt wheel and compound to polish the end to a mirror finish. I've used it since without worry or damage to seals or seats.
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Bill, that's a good idea.
Don't get me wrong- I'm a fan of the soft brass rod for making picks. I've also used copper wire (10-2 solid from Romex scraps) but I like the brass more. Keeps me nautical :D Brass is softer than barrel steel (excepting the brass-n-wood Crosman pumpers, of course) and I have a goodly little bit of experience extracting o-rings thanks to Uncle Sam. I do have some old plastic-handled offset "dental mirrors" and I could probably work some heat on one to reshape the handle end into a probe, thus increasing versatility.
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Yeah, I have crappy luck. If I use anything metal to remove an oring I'll surely scar the oring groove and cause a leak.
What I do is stick the needle point pick into the O-ring itself. There's no need to go digging under them which would risk scaring the groove like you mentioned.
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Yeah, I have crappy luck. If I use anything metal to remove an oring I'll surely scar the oring groove and cause a leak.
What I do is stick the needle point pick into the O-ring itself. There's no need to go digging under them which would risk scaring the groove like you mentioned.
Yup if the oring is shot no need to save it.
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All very excellent comments and suggestions everyone thanks for all of
your input we will all learn from this post ..Happy shootin and tight groups.