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Forums10
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Apr 27th, 2024
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Joined: Jul 2003
Posts: 230
Sidelock
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OP
Sidelock
Joined: Jul 2003
Posts: 230 |
I have a 20 ga. Stevens 311...Don't have gauges to check chokes...Any info on how to tell how it is is choked would be most appreciated.
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Joined: Mar 2007
Posts: 262 Likes: 4
Sidelock
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Sidelock
Joined: Mar 2007
Posts: 262 Likes: 4 |
A bit time consuming but the most accurate way is to pattern the gun. Put a very large pice of paper or cardboard targer at 40 yards from where you shoot. Shoot each barrel once at a separate target, find the largest mass of holes, draw a 30 inch circle around them. Count the holes in each target. divide the number of holes by the number of pellets in the load selected and determine the percentage of holes in the 30" circle. The percentage will tell you what you are shooting for choke.
Or less accurate but less time consuming, find a gun store or friend with a choke gauge and measure it.
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Joined: Sep 2006
Posts: 36
Junior Member
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Junior Member
Joined: Sep 2006
Posts: 36 |
If it has 26 inch barrels, it is almost surely IC/Mod
If 28 inch, Mod/Full.
best way is to pattern it, tho.
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Joined: Jan 2002
Posts: 5,686 Likes: 118
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,686 Likes: 118 |
Keith Carlson? Any relation to Carlson choke tubes?
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Joined: Mar 2006
Posts: 1,164 Likes: 2
Sidelock
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Sidelock
Joined: Mar 2006
Posts: 1,164 Likes: 2 |
If it has 26 inch barrels, it is almost surely IC/Mod
If 28 inch, Mod/Full.
best way is to pattern it, tho. That is typically true; however I have a 20ga 311 with 28" barrels which I'm pretty sure are unaltered, and they that measure IC/IM. If you really care, find a good gauge or pattern it.
Last edited by Fin2Feather; 08/08/08 10:33 AM.
The difference between genius and stupidity is that genius has its limits. - Albert Einstein
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Joined: Sep 2006
Posts: 36
Junior Member
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Junior Member
Joined: Sep 2006
Posts: 36 |
nope, nothing to do w/Carlson choke Tubes
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Joined: Jan 2002
Posts: 5,983
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,983 |
Much simpler way is to shoot at a measured 10 yards. Disregarding flyers, 7" = full choke, 10" = modified and 15" = improved cylinder. No pellet counting, etc. At 10 yards, it's easier to determine POI, as well. Source: The Shotgun Book, by JOC.
> Jim Legg <
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