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#440416 04/02/16 01:42 PM
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Mark II Offline OP
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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

Mark II #440417 04/02/16 01:54 PM
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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)
Mark II #440435 04/02/16 05:16 PM
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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.

Mark II #440436 04/02/16 05:24 PM
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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.
Mark II #440439 04/02/16 06:21 PM
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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
Mark II #440440 04/02/16 06:21 PM
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Good shot cups have greatly levelled the field between gauges with the same shot charge.

wyobirds #440463 04/03/16 06:30 AM
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Originally Posted By: wyobirds
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.

L. Brown #440470 04/03/16 09:26 AM
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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
Mark II #440477 04/03/16 12:38 PM
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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...

Mark II #440478 04/03/16 12:50 PM
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"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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