Some were asking for full choke pattern numbers, so I went back and shot 10 more patterns, from the same box of shells, with my full choke. 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
Means / 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!