GTA
All Springer/NP/PCP Air Gun Discussion General => Machine Shop Talk & AG Parts Machining => Topic started by: Rocker1 on February 09, 2017, 07:07:15 AM
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Ok guys I am sure there is a number of us that have chased barrel diameter sizes an shroud and barrel threads. So Im going to post a fw here now and will be adding to it as we go along so please post what you can and hopefully we can get a usable list and maybe put it in the library for a on stop tell all instead of chasing them around.
Prod shroud 11/16 x 24
Mrod shroud 13/16 x 28
crosman barrel .437
GM barrel .500
RWS 16mm
Taipan mutant shroud M28X1.0
Sumatra barrel threads m10x1
I have a heap more and will post them soon these are ones I remember sitting here and will add more today when I get in the shop. David
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Much appreciated THANKS !
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Is taipan mutant/veteran shroud cap fits Vulcun & if threads 27*1mm or 28*1mm ?
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28mm is the number sir. David
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Thank you David :D
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Hatsan AT-44 barrel threads 1/2"-20 NF, surprisingly....
QB78 barrel is 14mm OD.... The Deluxe and the QB79 are 15mm OD....
Bob
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the vulcan gen 2 is m14-1.25
the airmax plinkster is 10mm same as the Varmint
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shin sung fire 202 .357 m12x1
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xs60 14.5 David
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My Artimus PP700 in .177 is M8x1.0
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I was looking to expand the capabilities of my Airforce Escape SS, so I bought an 18" barrel for it.
The barrel I received was an AirForce PN: U1030, .22 caliber "heavy barrel". The barrel measures .6250 (15.88mm) at the muzzle & .3090"od (7.86mm) at the breach end. INCLUDED is a delrin cap that fits in the end of the receiver tube to finish it off, like the ones shown on the end of non-SS models, as well as new set screws and barrel bushings.
Though this barrel did not come threaded, but there is plenty of material to thread the muzzle 1/2-20 if desired.
Hopefully somebody finds this info helpful.
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Are Break Barrels threaded into the barrel assembly or pressed in?
Buddyb
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I can not speak of all break barrels, but most of mine are pressed in. (one old unit from the 40's appears to be machined out of one piece)
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Diana Chaser & Bandit: M10x1
Webley Nemesis: 1/2-20 UNC
Discovery & Maximus: Get a DonnyFl slip on ( it has a extra set screw for front sight)
Will explore ATI Nova Freedom & Liberty
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I have a custom shroud on my 18" heavy barrel Escape UL from https://www.rlairgunsupply.com/ (https://www.rlairgunsupply.com/) Keeps it quiet as long as your below the speed of sound, and your target doesn't react loudly ;)
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Doug's custom 30 cal, TJ's marauder barrel: 9/16-32.
cheers,
Douglas
Have a look on the interweb, fine thread taps are easy to find, and not so much money. I don't like disturbing the steel at, and just before the muzzle, so fine threads to cut, and a tap for the muffler nut/mount.
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What is the thread size of FX brass transfer ports? I think they are all the same for all calibers, but I'm specifically interested in the .177.
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What is the thread size of FX brass transfer ports? I think they are all the same for all calibers, but I'm specifically interested in the .177.
From my notes on a .177 Crown:
brass thimble has female M12 x 1.0 thread (threads to steel barrel adapter)
steel barrel adapter has male M13 x 1.0 thread (threads to "barrel" which is really just a tube)
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Anyone know the thread size on a BSA LONESTAR. 25?