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Discussion Starter · #1 ·
Here are all the numbers I've got for this load and two chokes, hope this helps!

12ga 2 ¾" Estate Super Sport Competition Target load
1 1/8 oz #7 ½ lead (395 pellets) @ 1145 fps


Pattern results from a 12-gauge Browning Citori with 28" Invector-plus barrels using Briley flush chokes (patterns average of ten, 30" post-shot scribed circle, yardage taped muzzle to target, in-shell pellet count average of five, and choke constriction from bore gauge).

PELLETS/SHELL (1 1/8 ounce = 492.2 gr)
Count / weight (grains)

412 / 494.5 gr
396 / 494.4 gr
390 / 488.9 gr
390 / 485.7 gr
386 / 484.3 gr
Mean 394.8 / 489.56 gr

PELLET SIZE (25 random samples, 5 pellets/shell opened, #7.5 pellet diameter = .095” +/- .005”)
.099”, .099”, .098”, .097”, .096”, .096”, .096”, .096”, .095”, .095”, .095”, .094”, .094”, .094”, .094”, .094”, .094”, .093”, .093”, .092”, .092”, .091”, .091”, .091”, .088” / Mean pellet diameter .09428”

POWDER/SHELL
16.7 gr
16.6 gr
16.5 gr
16.4 gr
16.3 gr
Mean 16.5 gr

40 YARD PATTERNS
Mod. choke / .021” constriction/ 30” pattern totals (%)

297
282
277
275
275
274
265
255
252
235
Mean 268.7 (68.05%)

40 YARD PATTERNS
Full choke / .036” constriction / 30” pattern totals (%)

306
296
295
286
280
279
277
277
267
266
Mean 282.9 (71.65%)

Here are some of my pattern numbers from other 12-gauge 1 1/8-ounce #7 ½ lead target loads for comparison.

40 YARDS / MODIFIED CHOKE PATTERNS
5-shot mean and 30” pattern totals w/ same gun and Mod. choke as above
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 285 (76%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 236 (63%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 293 (72%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 302 (72%)
Reload (STS, Green Dot, CB) 2 ¾” 1 1/8 oz #7 ½ lead (402 pellets) / pattern 257 (64%)

40 YARDS / FULL CHOKE PATTERNS
5-shot mean and 30” pattern totals w/ same gun and Full choke as above
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 299 (79%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 272 (73%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 321 (79%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 321 (76%)
Reload (STS, Green Dot, CB) 2 ¾” 1 1/8 oz #7 ½ lead (402 pellets) / pattern 294 (73%)

I’m just the messenger, so you can be the judge, good luck!
 

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Great message, "messenger". 72% is a winner. Gonna be a "run" on those when we can find them
 

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Here are all the numbers I've got for this load and two chokes, hope this helps!

12ga 2 ¾" Estate Super Sport Competition Target load
1 1/8 oz #7 ½ lead (395 pellets) @ 1145 fps


Pattern results from a 12-gauge Browning Citori with 28" Invector-plus barrels using Briley flush chokes (patterns average of ten, 30" post-shot scribed circle, yardage taped muzzle to target, in-shell pellet count average of five, and choke constriction from bore gauge).

PELLETS/SHELL (1 1/8 ounce = 492.2 gr)
Count / weight (grains)

412 / 494.5 gr
396 / 494.4 gr
390 / 488.9 gr
390 / 485.7 gr
386 / 484.3 gr
Mean 394.8 / 489.56 gr

PELLET SIZE (25 random samples, 5 pellets/shell opened, #7.5 pellet diameter = .095” +/- .005”)
.099”, .099”, .098”, .097”, .096”, .096”, .096”, .096”, .095”, .095”, .095”, .094”, .094”, .094”, .094”, .094”, .094”, .093”, .093”, .092”, .092”, .091”, .091”, .091”, .088” / Mean pellet diameter .09428”

POWDER/SHELL
16.7 gr
16.6 gr
16.5 gr
16.4 gr
16.3 gr
Mean 16.5 gr

40 YARD PATTERNS
Mod. choke / .021” constriction/ 30” pattern totals (%)

297
282
277
275
275
274
265
255
252
235
Mean 268.7 (68.05%)

40 YARD PATTERNS
Full choke / .036” constriction / 30” pattern totals (%)

306
296
295
286
280
279
277
277
267
266
Mean 282.9 (71.65%)

Here are some of my pattern numbers from other 12-gauge 1 1/8-ounce #7 ½ lead target loads for comparison.

40 YARDS / MODIFIED CHOKE PATTERNS
5-shot mean and 30” pattern totals w/ same gun and Mod. choke as above
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 285 (76%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 236 (63%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 293 (72%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 302 (72%)
Reload (STS, Green Dot, CB) 2 ¾” 1 1/8 oz #7 ½ lead (402 pellets) / pattern 257 (64%)

40 YARDS / FULL CHOKE PATTERNS
5-shot mean and 30” pattern totals w/ same gun and Full choke as above
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 299 (79%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 272 (73%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 321 (79%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 321 (76%)
Reload (STS, Green Dot, CB) 2 ¾” 1 1/8 oz #7 ½ lead (402 pellets) / pattern 294 (73%)

I’m just the messenger, so you can be the judge, good luck!
Thank you for your effort.

What I see that's very interesting is that Gun Clubs actually out performed percentage wise (not significant however) the Estates.

The shot in Estates has been testing significantly harder than Gun Clubs yet for practical purposes, they pattern equal through full choke.
 

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Also interesting, is that you don't seem to get significantly different percentages from your M to your F. Maybe it would be different if you moved yardage back however I understand 40 yards is the standard for patterning.
 

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Discussion Starter · #6 ·
Yes, it's interesting and 40 yards is the industry standard for determining choke/load performance. Of course, shooting some patterns at the distance you intend to shoot is the only way to really know how your gun/choke/load combo is performing!

Hope this helps, good luck!
 

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Yes, it's interesting and 40 yards is the industry standard for determining choke/load performance. Of course, shooting some patterns at the distance you intend to shoot is the only way to really know how your gun/choke/load combo is performing!


Hope this helps, good luck!
If I recall correctly, Tom Mack said he thought M or IM was about as tight as you can choke a gun for sporting purposes. Your data bears that out.

I am going to pattern to satisfy my own curiosity to see if my guns follow the same way.
 

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Discussion Starter · #9 ·
Yes, shoot a few patterns with your gun/choke/load and see how they do.

Here are a few more of my pattern numbers with several lead target loads in my gun/chokes.

Patterning results from a 12-gauge Browning Citori with 28" Invector-plus barrels using Briley flush chokes (patterns average of five, 30" post-shot scribed circle, yardage taped muzzle to target, and in-shell pellet count average of five).

40 YARDS / LM

Win AA Extra-Lite 2 ¾” 1 oz #8 lead (393 pellets) / pattern 251 (64%)
Win AA Extra-Lite 2 ¾” 1 oz #7 ½ lead (344 pellets) / pattern 260 (76%)
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 264 (70%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 216 (58%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 277 (68%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 267 (64%)
Average pattern percentage of all loads / 67%

40 YARDS / M
Win AA Extra-Lite 2 ¾” 1 oz #8 lead (393 pellets) / pattern 292 (74%)
Win AA Extra-Lite 2 ¾” 1 oz #7 ½ lead (344 pellets) / pattern 272 (79%)
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 285 (76%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 236 (63%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 293 (72%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 302 (72%)
Average pattern percentage of all loads / 73%

40 YARDS / IM
Win AA Extra-Lite 2 ¾” 1 oz #8 lead (393 pellets) / pattern 295 (75%)
Win AA Extra-Lite 2 ¾” 1 oz #7 ½ lead (344 pellets) / pattern 255 (74%)
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 288 (76%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 260 (69%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 295 (72%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 307 (73%)
Average pattern percentage of all loads / 73%

40 YARDS / LF
Win AA Extra-Lite 2 ¾” 1 oz #8 lead (393 pellets) / pattern 294 (75%)
Win AA Extra-Lite 2 ¾” 1 oz #7 ½ lead (344 pellets) / pattern 271 (79%)
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 289 (77%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 263 (70%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 313 (77%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 309 (74%)
Average pattern percentage of all loads / 75%

40 YARDS / F
Win AA Extra-Lite 2 ¾” 1 oz #8 lead (393 pellets) / pattern 288 (73%)
Win AA Extra-Lite 2 ¾” 1 oz #7 ½ lead (344 pellets) / pattern 275 (80%)
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets) / pattern 299 (79%)
Rem Gun Club 2 ¾” 1 1/8 oz #7 ½ lead (375 pellets) / pattern 272 (73%)
Rem Premier STS 2 ¾” 1 1/8 oz #7 ½ lead (408 pellets) / pattern 321 (79%)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets) / pattern 321 (76%)
Average pattern percentage of all loads / 77%

Good luck!
 

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JH's work is commendable and he finally proves that CHOKE TUBES actually pattern as well as our revered fixed chokes. Better? maybe, you decide for yourself after testing your fave loads and use JH work as comparison.
 

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Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets)

How can there be a difference of 43 pellets between these 2 shells?
 

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I am surprised that your reload with STS shot and green dot powder patterned about the same a the Remington Gun Club factory loads.
 

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Discussion Starter · #13 ·
Win AA Heavy 2 ¾” 1 1/8 oz #7 ½ lead (377 pellets)
Rem Premier Nitro 2 ¾” 1 1/8 oz #7 ½ lead (420 pellets)

How can there be a difference of 43 pellets between these 2 shells?
Basically, variations in payload weight, pellet size, and pellet antimony content contribute to variations in pellet counts from shell to shell.

Allowable variations in payload weight and pellet count are outlined in Sporting Arms and Manufacturers Institute’s (SAAMI’s) voluntary industry standards which include:

· Pellet size variations allow for +/- one pellet size (+/- .010" dia.) of variation in “game” loads and +/- ½ pellet size (+/- .005" dia.) of variation in “target” loads

· Load weight variations can range from +4% to -7% in game loads and +3% to -5% in target loads

· Pellet counts per ounce can vary by +/- 10% for both game and target loads

12 GA 2 ¾” Winchester AA Heavy Target load
1 1/8 oz #7 ½ lead (377 pellets) @ 1200 fps

In-shell pellet counts from 5 shells: 380, 378, 378, 376, 373 / mean 377 pellets @ 496.4 gr

12 GA 2 3/4" Remington Premier Handicap Nitro 27 Target load
1 1/8 oz #7 ½ lead (420 pellets) 1235 fps

In-shell pellet counts from 5 shells: 423, 420, 420, 419, 416 / mean 420 pellets @ 503.1 gr

Hope this helps, good luck!
 

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Discussion Starter · #14 ·
I am surprised that your reload with STS shot and green dot powder patterned about the same a the Remington Gun Club factory loads.
The STS refers to the hull, not the shot used. These were reloaded with West Coast Magnum shot.

Reload (STS, Green Dot, CB) 2 ¾” 1 1/8 oz #7 ½ lead (402 pellets)
 

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Great information, Joe. I didn't know there was such a variance in pellet counts. Have you found that Remington Nitro 27s have the highest pellet count for 1 1/8 shells? Thanks.
 

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I was under the impression that West Coast Magnum shot was a high antimony shot and harder than gun club shot but not as hard a STS shot. I am still surprised by the pattern with that shot.
 

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Discussion Starter · #17 ·
"Have you found that Remington Nitro 27s have the highest pellet count for 1 1/8 shells?" -- Yes, they had the highest pellet count from the six or so 12ga 1 1/8-ounce #7 1/2 loads that I have opened and counted.

"I am still surprised by the pattern with that shot." -- I don't know what the antimony content is in those pellets, but the patterns speak for themselves.
 
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