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Forums10
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Jul 28th, 2025
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Joined: Feb 2002
Posts: 14,576 Likes: 329
Sidelock
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Sidelock
Joined: Feb 2002
Posts: 14,576 Likes: 329 |
Yup, your gun is bored full and full. Mine has similar constrictions.
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Joined: Jan 2002
Posts: 2,307
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 2,307 |
I have a beautiful old Griefelt 12 bore hammer gun with .060 and .060 chokes and barrel walls as thick as I have ever seen, just massive. Built in the 1920's with nitro proofed steel barels. Not sure of the intended use, perhaps HIGH flying driven birds. This is the tightest choked gun I have seen. Highly engraved, outstanding wood, apparently a purpose built gun for someone, I would love to know the story.
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Joined: Feb 2002
Posts: 14,576 Likes: 329
Sidelock
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Sidelock
Joined: Feb 2002
Posts: 14,576 Likes: 329 |
Chief, the Griffin and Howe research site has Griefelt serial numbers. Check it out, or post your serial number and I'll check it out for you. I found a Griefelt duck gun in those records last year.
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Joined: Feb 2006
Posts: 1,611 Likes: 15
Sidelock
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Sidelock
Joined: Feb 2006
Posts: 1,611 Likes: 15 |
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Joined: Feb 2008
Posts: 521 Likes: 4
Sidelock
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Sidelock
Joined: Feb 2008
Posts: 521 Likes: 4 |
Those bores are right in the middle of the "full" range. Some makers got by with as little as 30 mils, but most probably put 35-40 mils in their full choked guns.
Today, if the intent is to shoot doubles at trap, most shooters will use something like a 15/30 mils combination, give or take. Keep in mind the better ammo in use today, too. In days of yore, trap doubles were not shot very much, which is a nice way of saying most people didn't bother getting all mental about it. I think the thought process was something along the lines of, "Hmm, it's trap times two, and trap is full choke, so two full chokes."
Of the ten or so trap double guns I have had the opportunity to put a bore gauge to, only one had something other than the favored full/full combination.
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Joined: Jan 2003
Posts: 803 Likes: 2
Sidelock
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Sidelock
Joined: Jan 2003
Posts: 803 Likes: 2 |
All the M21's I have measured marked as FULL have been 35 thousands.
Conversely, Browning Supers marked *(FULL) are 39/40 thousands.-Dick
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Joined: Jan 2002
Posts: 2,307
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 2,307 |
eightbore, thanks, I did not realize they had Griefelt numbers in a database. Alas, my number is not listed, mine is 140 above the nearest number below mine, and 130 below the nearest number above it. They only list a total of just over 700 records for Griefelt, and they were in business for quite some time, I understand. Mine has barrels clearly marked with the Sauer intertwined "SuS" logo, so they obviously got the barrel tubes, or maybe the assembled barrels from Sauer. I'll likely hang onto it, although I really have no use for that much choke in a gun. It's really a high class gun.
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Joined: Jan 2002
Posts: 5,963 Likes: 166
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,963 Likes: 166 |
The catalogue specs for the Iver Johnson SUPERTRAP was 32 inch barrels full choke in both -- 
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Joined: Jan 2009
Posts: 682
Sidelock
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OP
Sidelock
Joined: Jan 2009
Posts: 682 |
Thank you Researcher.
(What year is the Catalog?)
Mine has the automatic saftety, double triggers and a still soft Jostam Antiflinch.
The forend looks awkward but I think it quite nice. In a pinch it could be used as a cricket bat.
Checkering is nice, as is the wood. Gun looks used but I am not going to refinish it or reblue it.
Last edited by Bushmaster; 01/28/10 07:12 PM.
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