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Joined: Dec 2011
Posts: 909 Likes: 43
Sidelock
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OP
Sidelock
Joined: Dec 2011
Posts: 909 Likes: 43 |
Ok I have a theory about 3/4 oz. loads. I have used these in 12 and 20 ga. with good success. Part of my shotguning quirks is if aload seems to work well I don't pattern it and loose my faith in the load with pattern facts. The main theory is that it doesn't matter if you fire a 3/4 oz. load from a 12, 20, or 28 ga. you will an equal quality pattern with similar chokes. Has anyone else who is not as lazy as me and with a 28 patterned these loads to prove or disprove my idea. For what it is worth, 3/4 oz. 12 and open choke is great for skeet. and with a bunch of choke works well for 16yd. trap. Kind of like shooting a .22. Thanks MKII
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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 |
Mark, I'm not the feller you're looking to for scientific data but common sense tells me 3/4 ounce in a 12 will result in patterns more uniform with fewer flyers than any smaller gauge can deliver. There has to be far less pellet distortion and shorter shot string. I know my short tens delivering 1 1/4 ounce hit geese and ducks like being hit with a pie tin in the face. Same principle.
When an old man dies a library burns to the ground. (Old African proverb)
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Joined: Jan 2002
Posts: 11,385 Likes: 106
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 11,385 Likes: 106 |
As Joe points out: Theoretically, for a given shot charge, the larger the bore, the better the pattern. That being said, I've played around with a 28ga enough to believe--without comparing patterns to either a 12 or a 20 using 3/4 oz--that the little bore throws pretty darned good patterns. 12ga, I'm a magnum guy: I shoot mostly 7/8oz at targets. And I can remember when that would have been considered WAY light in a 12.
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Joined: Dec 2008
Posts: 452
Sidelock
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Sidelock
Joined: Dec 2008
Posts: 452 |
It's my belief that larger bores pattern better than small with the same shot charge. Can't prove it but believe it. Never wanted to spend the time to run definitive test.
Few patterns I have shot same shot weight 7/8 oz 20 & 12 indicate better with the larger bore. Have also patterned my Short 10 reloads, 1 1/8 oz. much better patterns than factory 12 G 1 1/8 oz. Not the same gun or components may account for the difference.
Boats
Last edited by Boats; 04/02/16 05:25 PM.
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Joined: Jan 2008
Posts: 342
Sidelock
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Sidelock
Joined: Jan 2008
Posts: 342 |
I believe that barrels have a mind of their own. Patterns from guns of the same gauge and choke may or may not pattern to your liking. E.G. My best patterns come from a 16 Ga. #2 AyA with Imp. Cyl. and Mod barrels and those same loads pattern terrible in a 16 Ga. Browning choked mod.
Jim
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Joined: Feb 2002
Posts: 520
Sidelock
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Sidelock
Joined: Feb 2002
Posts: 520 |
Good shot cups have greatly levelled the field between gauges with the same shot charge.
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Joined: Jan 2002
Posts: 11,385 Likes: 106
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 11,385 Likes: 106 |
I believe that barrels have a mind of their own. Patterns from guns of the same gauge and choke may or may not pattern to your liking. E.G. My best patterns come from a 16 Ga. #2 AyA with Imp. Cyl. and Mod barrels and those same loads pattern terrible in a 16 Ga. Browning choked mod. If you're referring to an A-5, Standardweight or Sweet 16, it's very likely the Browning has a lot more constriction than does the Mod barrel of the AyA. The Belgian Brownings were typically choked tighter than most other guns of the same gauge.
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Joined: Jan 2008
Posts: 342
Sidelock
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Sidelock
Joined: Jan 2008
Posts: 342 |
L. Brown, good point, but I have seen pattern differences in many other shotguns of the same gauge and choke(s). My wife's 16 Ga. is a Stevens 311 with Imp. Cyl. and Mod Chokes and the gun patterns the same loads differently than my AyA and that difference is a spotty pattern.
Jim
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Joined: May 2009
Posts: 156
Sidelock
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Sidelock
Joined: May 2009
Posts: 156 |
The contrarian view, one espoused by no less than the likes of Bruce Buck, is that every 1 1/8 oz 12 gauge load has a 3/4 and 7/8 oz load riding on top.
That's the heavy load view...but in my own shooting, I'm still in love with the 7/8 oz load.
A quick note on Larry's comment about Browning's old chokes being somewhat tighter, that's true. Also true that there was quite a variation in constrictions with the same marking. I have a pair of Sweet Sixteens, one made in '62 the other in '73, both factory original and marked ** (modified). The older gun has .030" choke, the newer one .015". Go figure...
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Joined: Feb 2006
Posts: 3,737 Likes: 55
Sidelock
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Sidelock
Joined: Feb 2006
Posts: 3,737 Likes: 55 |
"I have a pair of Sweet Sixteens, one made in '62 the other in '73, both factory original and marked ** (modified). The older gun has .030" choke, the newer one .015". Go figure..."
GF1 of those two sixteen gauges, do they both have the same bore. Just measuring choke really tells you very little if you don't measure what the bore is.
For all my target shooting in 12 gauge vintage sxs, I shoot nothing but 3/4 oz. loads. I patterned the one set of 32" .041 constriction at 40 yards and was pleased with the number of #8 pellets in the 30" circle. This was off-hand and would have liked it to be rested for a proper pattern.
David
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