Mike M, the b-25 you sent me

Mike M, the b-25 you sent me

Joined: March 26th, 2008, 2:38 am

June 15th, 2010, 2:26 pm #1

is really just getting better every day.

Once the summer settles in, and the first round of hay cutting is done, I am gonna try to disassemble-polish and lube tune. It's not on the high priority list, cause it shoots well bone stock.
Might even shoot better with some JSB's or something.

Are the barrels on the .22 choked? Am considering a shorter barrel, maybe 8-10 inches. Any thoughts?

Can the trigger assembly be taken out without disassembling the rest of the action?

Really my only reason for wanting to disassemble and lube tune is that every 4-5 shots, the trigger seems to want to be "stiffer".....
Not to the point that it affects shot cycle, but does seem to cause me to pull a little.

I have never owned the b-26, but I must say Mike, this b-25 is truly one of the best values around for a shooter.

Farmer
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Joined: October 25th, 2002, 3:46 pm

June 15th, 2010, 4:28 pm #2

if'n it was me. I think a springer needs at least that to not be extremely harsh when over 12fpe.

I have an Airhawk and got a .22 barrel for it from Mike. I love this thing! Have you tuned it or anything? I would rec'd a Vortek PG2 kit for it and you would be amazed at the shot cycle and increase in accuracy.

Enjoy the B25!

Walter....
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Joined: March 26th, 2008, 2:38 am

June 15th, 2010, 7:44 pm #3

do you mean harsher in firing behavior, or in cocking?

this gun is sooooo light. Looks decent. perfect hunting gun.

As T.V. puts it, anything within 40 yds usually falls "Dead right there!"

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Joined: October 25th, 2002, 3:46 pm

June 15th, 2010, 8:09 pm #4

I have a B21 that the previous owner chopped to 10" and it is a bear to shoot and lost a fair bit of speed in the process.

Shot my Ruger this afternoon and does 617 with JSB Exact 14.3s, very consistent with pointed Crosman 14.3s at 642fps and the Crosman HP 14.3s go 672 but a fair variance of velocity.

Accurate with all three. Shooting and rarely missing mud marbles out to 20 yards offhand.

Walter....
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Joined: May 2nd, 2006, 4:27 am

June 16th, 2010, 2:25 am #5

<p>better not tell them Air Arms TX200 and Pro Sport shooters that a short barrel is harsh because they will want to remove the stock 8 1/2 inch barrels with longer ones, and they shoot 900 fps plus in .177.</p><p>A springer don't know that it has a short barrel and yor B21 in harsh not because of the short barrel but more that likely a crappy tune.</p><p>A bear to shoot and you can still hit mud marbles at will at 20 yards?  672fps  is 14.25 fpe and not real bad for a low powered springer in .22, most or the  R-9's out there in .22 will be hard pressed to shoot much over 700 in .22</p>

http://home.comcast.net/~peterdragin/index.html/
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Joined: November 29th, 2008, 7:40 pm

June 16th, 2010, 12:57 pm #6

I've had 3 b21's over the years all were good accurate guns but all were on the harsh side but they don't call the B21 " THE BEAST " for nothing. It is a hard shooting very accurate gun that will do the job. Howie PS mine went from the Super Max to the Bam's .
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Joined: October 25th, 2002, 3:46 pm

June 16th, 2010, 3:50 pm #7

<p>better not tell them Air Arms TX200 and Pro Sport shooters that a short barrel is harsh because they will want to remove the stock 8 1/2 inch barrels with longer ones, and they shoot 900 fps plus in .177.</p><p>A springer don't know that it has a short barrel and yor B21 in harsh not because of the short barrel but more that likely a crappy tune.</p><p>A bear to shoot and you can still hit mud marbles at will at 20 yards?  672fps  is 14.25 fpe and not real bad for a low powered springer in .22, most or the  R-9's out there in .22 will be hard pressed to shoot much over 700 in .22</p>

http://home.comcast.net/~peterdragin/index.html/
If that can be fixed with a proper tune please advise what approach to take.

The gun that I am currently shooting is the Ruger Airhawk (B25) with a .22 barrel and Vortek kit.
So it is performing okay?

Thank you in advance fo any help you can provide.

Walter....
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Joined: October 21st, 2001, 3:36 am

June 16th, 2010, 3:55 pm #8

seal inspection.

Breech then piston. I doubt the breech seal would account for harsh firing behavior but best to check. More likely the piston seal is worn or was fitted improperly.

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Joined: October 25th, 2002, 3:46 pm

June 16th, 2010, 4:13 pm #9

It has benn a disappointing gun as it was supposed to do in the 700s and IIRC it will only do 640fps with 14.3s and as mentioned harsh. I blamed it on the short barrel and so if that is not the case I am quite relieved, hope is renewed.

Will check those seals. Any comment on proper fit of piston seal?

Walter....
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Joined: October 25th, 2002, 3:46 pm

June 16th, 2010, 5:23 pm #10

seal inspection.

Breech then piston. I doubt the breech seal would account for harsh firing behavior but best to check. More likely the piston seal is worn or was fitted improperly.

Has a red JM seal installed that takes 10 pounds to move it. mmmmmmmm

Has a JM RWS48 spring that is set 2 1/2" shorter than as purchased. Has 3/4" preload installed.
JM tar on spring, moly on piston, nice fitting guide.

Barrel seal is original but clean where it makes contact with barrel so presume it is a good seal.
Barrel is 10" long
Back together and bringing it with me to chrony and see how it is later this afternoon.

Walter....

edit: shooting this aft..... shoots crosman pointed at 617 to 621 fps. Still accurate enough but not happy with power!
partly blame the JM parts on this....... what to do? what to do?
Last edited by Voltar1 on June 16th, 2010, 6:53 pm, edited 1 time in total.
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