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Joined: Dec 2010
Posts: 60
Sidelock
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OP
Sidelock
Joined: Dec 2010
Posts: 60 |
This subject has probably been covered in depth but thought to poll a few folks. My first reaction is that a .016 wall thickness is a safety concern if I wanted to shoot it rather than have a nice wall hanger.....,
Description is:
Bore diameter: left .668, right -.667. Bore restrictions: left -.018 (mod), right -.006 (IC). Wall thickness: left -.016 (A small area near bottom rib, about 12″ back from muzzle), right -.023.
What is the consensus? Thank you
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Joined: Apr 2012
Posts: 753
Sidelock
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Sidelock
Joined: Apr 2012
Posts: 753 |
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Joined: Dec 2001
Posts: 3,964 Likes: 89
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 3,964 Likes: 89 |
How far from the muzzle is the thin spot? What about the rest of the barrels, especially in front of the chambers?
When an old man dies a library burns to the ground. (Old African proverb)
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Joined: Jan 2002
Posts: 9,740 Likes: 97
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 9,740 Likes: 97 |
old ed, a general gunsmith with over 60 years of experience says this regarding pre ww2 12 gauge guns with fluid steel barrels:
generally, .030 or more 8 or 9 inches down from the muzzles should be safe....090 or more in front of the chambers should also be safe for light loads...shooting anything less than that is risky...and shooting heavy loads in old guns is also risky.
as this gun sounds like a 16 gauge, be very cautious and seek professional help...
another option is to have it fit with a pair of briley 28 ga full length tubes...then you would have a safe alnd fun 28 gauge shooter.
Last edited by ed good; 02/16/16 09:25 AM.
keep it simple and keep it safe...
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Joined: Dec 2010
Posts: 60
Sidelock
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OP
Sidelock
Joined: Dec 2010
Posts: 60 |
The description call it back about 12" from the muzzle
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Joined: Dec 2014
Posts: 906 Likes: 30
Sidelock
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Sidelock
Joined: Dec 2014
Posts: 906 Likes: 30 |
how long are the barrels?
Bill Johnson
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Joined: Jan 2006
Posts: 9,417 Likes: 314
Sidelock
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Sidelock
Joined: Jan 2006
Posts: 9,417 Likes: 314 |
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Joined: Feb 2002
Posts: 1,558 Likes: 22
Sidelock
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Sidelock
Joined: Feb 2002
Posts: 1,558 Likes: 22 |
I think the wild card is I've seen guns (Parkers) where the bores were mint and untouched and they still were struck thin enough to where the minimum barrel wall thickness was in the .020 category. They hadn't been messed with, that's just the way they came. Now in my one personal case the .020 was about 22" down the barrel (6" from the muzzle). I'd think that pressures would be pretty low by then. FWIW, I fired RST 16 gauge loads out of that gun.
foxes rule
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Joined: Dec 2001
Posts: 363 Likes: 16
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 363 Likes: 16 |
Just for what it's worth concerning thin barrels and pressures. A few years ago a customer had a DH 20 Parker with Damascus barrels, at close to the mid point on the right barrel it was only .014 wall, I recommended he have it proof tested, so I ran two proof loads through that barrel, about 18,000PSI each. No issues so I fired one in the left barrel, again no issues. I realize this really does not prove anything, but indicates a thin barrel might be able to stand a lot of pressure, and yes, the triggers were pulled with a line and me behind a wall of the buiding.
Dennis Potter
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Joined: Dec 2014
Posts: 906 Likes: 30
Sidelock
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Sidelock
Joined: Dec 2014
Posts: 906 Likes: 30 |
I am a big fan of "hillbilly proof". Did it to both of my damascus guns after having Keith Kearcher check them over years ago. Shoot really low pressure in them, and I'm very comfortable with the risk level. <6k in the 12 and <7k in the 20. The 20ga has a min of .022 about 8" in on 28" barrels. My Flues money pit. YMMV
Last edited by ithaca1; 02/16/16 08:51 PM.
Bill Johnson
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