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 Post subject: 2240 steel breech
PostPosted: Thu Jan 01, 2015 10:45 am 
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Joined: Tue Jul 22, 2014 5:25 am
Posts: 366
Location: Canada
I'm planning on building a 2240 stubby.
I would like to put a short steel breech on it.
Do any of you guys know where I can buy a short steel breech?
Any other info about the stubby 2240 would be nice.

Tazz

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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 12:07 pm 
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Joined: Mon Dec 24, 2012 2:51 am
Posts: 458
http://www.hpasports.com/pages/product- ... s_url_id=2

I have ordered from hpasports before and it took about 3 weeks to arrive from the day I placed the order.

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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 12:40 pm 
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Joined: Tue Jun 03, 2008 5:46 pm
Posts: 2816
Location: Canada
Thought he was looking for steel? The blue fork breech is aluminum.

Easy enough to cut down a long one and re-blue if it's REAL important that it be short...many a stubby has been put together with a full length Crosman steel breech.

https://www.google.ca/search?q=short+st ... 240+stubby

Al


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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 12:44 pm 
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Joined: Mon Dec 24, 2012 2:51 am
Posts: 458
Gippeto wrote:
Thought he was looking for steel? The blue fork breech is aluminum.


Lol, sorry. My mistake.

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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 1:09 pm 
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Joined: Tue Jul 22, 2014 5:25 am
Posts: 366
Location: Canada
Will I lose many fps with the shorter barrel?

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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 1:15 pm 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 8988
Location: Coalmont BC
The FPE will drop roughly in relationship to the percentage decrease in barrel length.... 20% less barrel, 20% less FPE, which means about 10% less velocity.... This will approximately apply to any gun where the valve is still open when the pellet exits the muzzle, which it is on a stock 2240, that is why they waste so much CO2....

Bob

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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 2:48 pm 
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Joined: Tue Oct 13, 2009 1:27 am
Posts: 2514
Location: Vancouver
So if one put in a considerably stronger valve spring and clipped the hammer spring and ground quite a bit of mass from the hammer, a relatively brief burst of the same pressure gas would make for no change in the (reduced) fpe pellet but a significant reduction in wasted gas and excess noise. Right? If everything were balanced correctly I mean. Could make for a fun little plinker with a very high shot count.


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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 4:07 pm 
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Joined: Thu Feb 02, 2006 11:35 pm
Posts: 3099
Location: Alberta Canada
Thats correct Gerald.
In a compact form (chopped bbl). Running with factory hammer weight, and a snipped down hammer spring. I found that 380ish with 14.3 gr ammo to be the most energy efficient to the count of over 60 shots before a noticable POI change. Have not tried it with hpa. :butthead: Moved onto other projects. Might be something you might want to play with :wink: :wink:

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 Post subject: Re: 2240 steel breech
PostPosted: Thu Jan 01, 2015 6:32 pm 
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Joined: Tue Oct 13, 2009 1:27 am
Posts: 2514
Location: Vancouver
Nah, not my cup of tea really. I have my trio of old Webley springer pistols to keep me entertained in the sawed-off category. Shoot all day. No air to fill. Pocket full of pellets is all the entertainment one needs with those beauties. Well, that and another pocket full of dollar store mints to plink at!

I'm tinkering with weights and springs with my HiPAC'd 2240, just about to swap seals and modify the valve and bump it up to 3K pressure. Looking for a decently flat Chrony line for as many reasonably powerful shots as I can shake out without getting too crazy, something with enough hit to be satisfying but not so noisy. I think it's going to be what I use for finally getting out to the Mission FT things, as the long barrel bought from Hacked2Pieces is proving rather amazingly accurate. I can't see going to all the trouble of modding a 2240 being worthwhile for a stubby pistol when there are a lot of short pistols already available, un-modified, which do the job as pocketable plinkers just fine. But hey, it's a flexible base to start off from in any direction any user feels like going, so I'm not criticizing either!


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 Post subject: Re: 2240 steel breech
PostPosted: Fri Jan 02, 2015 11:05 pm 
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Joined: Thu Oct 11, 2012 10:41 pm
Posts: 230
Location: Johnstown Pa
P/N 2300-047 - Breech, Short x1 $26.67 this is a short breech for a 2300s it`s 1 1/4 inches shorter than the standard steel breech and has the rear breech screw location i ordered it from Crosman check with Eric to see if he has any

Jim

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