This listing was drawn up by me to bring all of my relevant material into one gigantic free-for-all that just might either get a reader to be convinced or burst a vessel fighting off the logic.
I'm trying to show the light; so who can feel the heat?

Some slightly off-topic (but entertaining and educational) stuff mixed in places. Posts are in basic order with older stuff first.

You should be entertained for quite a while with this peek into the past posts.

ps Remember to see the website (see at bottom) for archive articles there.
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This is about short shells in long chambers, with some details about shot deformity etc to assist understanding.
01/07
http://www.thehighroad.org/showthread.php?t=246219

04/07
http://www.thehighroad.org/showthread.php?t=267848

06/07
Note that after my posting about choke errors being disputed, BG posted a series of links to my various postings for reader enlightenment.
viewtopic.php?f=57&t=109702

08/07
You'll appreciate the pictures of the forcing cone and choke problem here:
viewtopic.php?f=83&t=116733

And here when I mentioned the choke angle issue, Jugchoke came to the conclusion I was on target about chokes being off-target.
viewtopic.php?f=61&t=116081

09/07
And here SuperXOne agreed with my take on the choke problem, with only a slight hint of sarcasm-imagine that!
viewtopic.php?f=12&t=118827

12/07
http://www.thehighroad.org/showthread.php?t=320928

A Real Monster knock-down drag-out...
01/08
http://www.trapshooters.com/cfpages/thr ... dID=144326

01/08
(This has some interesting graphics I put together to explain by pictorial method)
No posting would be complete without a knockabout r.e. backboring (47 posts):
viewtopic.php?f=2&t=130741

01/08
Can't neglect the information about the Polychoke cracking and choke damage- could be mitigated by a longer forcing cone:
http://www.thehighroad.org/showthread.php?t=333592

01/08
And short shells in long chambers, redux plus:
viewtopic.php?f=2&t=132995

02/08
And RASTOFF even said somebody might need a pro like me to examine a bad choke tube hole here:
viewtopic.php?f=2&t=135923

03/08
53 posts on 3 pages must be serious!
viewtopic.php?f=2&t=136731&start=0

04/08
viewtopic.php?f=53&t=141064

05/08
Comedy relief break: see the cracked choke pictures.
viewtopic.php?f=57&t=144420

Then see the barrel bulge ring fun-for-all:
viewtopic.php?f=53&t=130293

09/08
Some took exception to my treatise on chamber length and safety:
http://www.thehighroad.org/showthread.php?t=390434

That's why I wrote this addendum:
http://www.thehighroad.org/showthread.php?t=391107

01/09
More short shell in 3.5" chamber factorization:
viewtopic.php?f=31&t=166175

More Komedy mixed with sparx.
Here is where I had to fight the snipers in the bushes- and the treatment was less than kind- but the "opposing force" was around for only those 2 posts jibing me- gone and definitely not missed.
viewtopic.php?f=2&t=166555

06/09
https://shotgunworld.com/bbs/viewtopic.php?f=96&t=184434

07/09
Not a lot from my input, but damascus barrels blowing can be an interesting read.
viewtopic.php?f=12&t=186864

08/09
The comprehensive "crooked choke tube discussion, recognition, and lack of common sense to recognize a real issue" (along with a bit of gratifying defense of my posted input). Even EVButler got in an "attaboy".
viewtopic.php?f=2&t=187523

08/09
Who wants to see some barrel dent repair pictures?
viewtopic.php?f=12&t=189844

08/09
Not a bunch here, but if we are striving for completeness, ports and forcing cone comments R.E. recoil do fit:
viewtopic.php?f=53&t=189608

Bulge commentary 1:
02/10
viewtopic.php?f=126&t=209454

And 2:
03/10
viewtopic.php?f=12&t=213475

05/10
Latest iteration (3.5" chambers, 2-3/4" shells) and some admissions that excess chamber length could deform lead pellets when shorter shells were used in longer chambers- who knows, maybe it is possible to change a securely-held opinion. Certain I am that there were differences of opinion, if not intelligence.
viewtopic.php?f=2&t=218698

05/10
More cracked chokes- not cracked jokes.
Jugchoke agrees with me again!
viewtopic.php?f=2&t=220693
http://www.trapshooters.com/cfpages/sth ... essages=13

06/10
Still not sure why choke tubes loosen even when heavily tightened?
viewtopic.php?f=131&t=220700

10/10
Minor input concerning barrel length and pattern influence.
http://www.thehighroad.org/showthread.php?t=548430

01/11
Much more input of barrel length influence in this posting.
http://www.thehighroad.org/showthread.php?t=565534

03/11
Bent barrel correction details, patterns.
http://www.trapshooters.com/cfpages/sth ... dID=246931

03/11
Choke and bore defects in a two- part posting.
http://www.thehighroad.org/showthread.php?t=583226
Includes comments in this appearance.
http://www.thehighroad.org/showthread.php?t=583225

04/11
More details concerning a choke installation gone awry.
http://www.thehighroad.org/showthread.php?t=584989


[email protected]

Good stuff, Kirby. I always learn something from your posts.
Thanks for taking the time...

I'm with Dr. Mike here.....always learn something from Kirby. Thanks!

With all this "debate" is anyone getting any better at actual clay shooting?

OUCH THAT HURT MY EYES
thanks buddy

Kirby is the real deal. I've had him do forcing cones and open chokes and he hits the numbers you request to within .0002". I have a degree in machining and can find nothing wrong with his work. He currently has a set of 16 ga SXS barrels of mine to cut and fit his own mfg choke tubes after a disastrous first attempt with a low cost option. If close is not good enough, he's your man.

Thanks for posting this list Kirby.

I've learned a lot over the past few years on SGW. There have been times when I disagreed with Kirby; I was usually wrong. When Kirby speaks, I tend to listen. You should too.

I thank those that commented about my information presented here.
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I do try to make the precision worthy of my own respect but don't always promise that an outcome will be quite as precise in measurement as the Riflemeister's barrel set was at completion.
Many variables exist that may determine the size and cut finish: the original choke blending and contour to the bore, the metal machinability, the tooling edge sharpness and relief, etc.

Sometimes things turn out to be precise, and other times to be ultra-precise.

I believe discerning persons appreciate the workmanship that necessarily comes at a higher price than the work from cheap shops that rush the job and use defective tooling designs along with haphazard methodology.
Even big-name shops have had defective choke installations, for example, that I needed to cut from the barrel end.

I would rather that I didn't find so many defective examples of choke and mechanical work, but the responsibility for those situations rest upon other shoulders.

Kirby
[email protected]

I think this might be a good choice for a sticky. Anyone else?

Thanks for the info. Very informative.

Sticky

Note that updated additions (04/11) bring the total threads to 35.

Kirby