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My Crosman Rabbit Stopper 2260

Discussion in 'Anything Airgun Related' started by Squeeljunker, Feb 18, 2009.

  1. Squeeljunker

    Squeeljunker Member

    Messages:
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    Location:
    NE Scotland
    I did a quick search on the forum to see if there was anything 2260 related, but didn't see anything (new to this) so thought I would post the details/spec of my 2260.

    Purchased it in Jan this year to take up HFT, I did a lot of reasearch on it first as I was concerned about CO2 being effected by temperature (which it is), but not mine, at least not anymore. Anyway, out the box on the chrono it registered 9ft/lb, which was what the shop sold it as, so no surprise there.

    First thing I found was, it leaked, so I thought about taking it back and then decided, why bother, I bought it to mod anyway, so might as well get on with it. So it was stripped down and after a few trial and error adjustments and mods I now have a full power consistent (within 5fps per shot) CO2 rifle. I can't believe it to be honest & have chrono's it to death several times to confirm the figures. Anyway after de-tuning it (yes de-tuning it) it is now legal, the mods are as follows.

    Bored out and polished valve with the piercing pin cut off and lighter valve spring. It remains open when not pressurised and the hammer pushing against it. Exhaust port opened up and re-angled and polished (I love Dremel's). Power adjuster fitted with standard hammer spring and all other gas ports to breach have been bored and polished. I also removed that stupid olive thing between the breach and the valve exhaust port (it leaks) and replaced it with 1/4" clear flex tubing. TR Robb breach & bolt with extended probe, (this made a huge difference). Logun carbon fibre silencer, believe me it needs it. Polished the barrel (bluing/Paint is naff) I like it. The biggest change is that it is bulked, it has a dummy 12g cartridge installed with side entry quick release connection which connects to a 20oz paintball bottle via coiled painball line. This gives me approx 1500-1600 shots between fills and I can remove it without wasting gas and because of the volume temperatures don't seem to effect it, at least not on a full bottle anyway. I'm now going to try & apply for my FAC (I used to have one) cause in 15mins I can change the springs and it will push out between 15-20ft/lb. If nobody believes me, I'll try to get chrono figures and pics loaded when I get the chance and the neighbours are out so they don't hear the crack LOL. At the mo, it's fixed to 11.5ft/lb and can't be adjusted so at least the police can't get me for having a gun that could go over the limit. All I need to do now is final adjustments to the scope zeroing and I'll be happy, but I did hit a 45yard knockdown taget at the last HFT meet with no problem, not bad for a naf Crosman 2260.

    I'll post some pics in the pics bit on the forum, and if anyone wants more details on how I did it I'll be more than happy to give you ideas, it's all about time and effort more than money, although I think I've spent a fortune, but hey, it's my gun and I built it and no way am I getting rid of it.
     
  2. steve410

    steve410 Big Poster

    Messages:
    3,720
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    Location:
    Colchester.Essex.
    Nice write up,very informative :up: Dont forget the pictures :)
     
  3. andyhawkx3

    andyhawkx3 Major Poster

    Messages:
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    Location:
    Black Country, West Midlands
    I agree ...can we see some pictures please :D:up:
     
  4. simply james

    simply james Banned

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    Location:
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    nice write up ,pics please
     
  5. Squeeljunker

    Squeeljunker Member

    Messages:
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    Location:
    NE Scotland
    Pictures

    Finally got the pics loaded this morning, I tried last night but my laptop kept dropping the internet link, so had to do it at work this morning. I think the laptop will become a target very shortly LOL

    Anyway, pics are here http://www.airgunforum.co.uk/forums/showthread.php?t=76143 in the Picture section

    It is still work in progress, but as far as tuning is concerned I think I'm about there. I'm just having a think about the cosmetic side of things now, but as it's shooting great I'm in no hurry, I'll hang fire till I see some ideas I want to incorporate.

    Anyway, have a look and any comments ideas (even criticism) will be more than welcome.

    I was at my HFT meet last weekend (in the snow) and my shooting buddy made a comment after the first shot about the length of the gas cloud coming out the barrel. It was something along the lines of "Holly Censored that looks like a cannon, the gas blast is about a metre long" it does look pretty spectacular on a colder day, I'll have a word with my long suffering wife (the photographer) and see if she can take a pic of me shooting this weekend and see if she can be quick enough to get the gas blast.

    A few of the other guys at the shoot had a shot later on and all came away with big grins and one of them commented on the the kick it had, must admit, compaired to his S410 you do feel some kickback & I won't be removing the silencer in a hurry again either, it is pretty loud and still gives off quick a thump with it fitted.
     
  6. rabbitsplatter

    rabbitsplatter Newbie

    Messages:
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    Location:
    brotton
    hey i own a crosman 2260 how hard is it to polish and bore the ports ?
     

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