22-250
Ackley Improved
The following data was developed by my friend F.R.
Mitchell, in a Sako sporter, with a 23" barrel
|
POWDER |
VELOCITY |
BULLET |
PRIMER |
BRASS |
|
39.0 IMR 4064 |
3673 |
50 NOSLER |
FED 210M |
WIN |
|
41.0 |
3865 |
|
|
|
|
36.0 W 748 |
3272 |
55 GI FMJ |
|
|
|
39.0 |
3522 |
55 REM PSP |
|
|
|
43.0 W 760 |
3527 |
55 SIERRA |
CCI 250 |
|
|
45.0 |
3773 |
|
|
|
|
46.0 |
3838 |
|
FED 210M |
|
|
39.0 IMR 4064 |
3562 |
60 SIERRA HP |
|
|
|
43.0 IMR 4350 |
3610 |
|
|
|
|
46.0 RL 22 |
3582 |
|
|
|
|
|
|
|
|
|
The following data was developed in a rifle built on a Hall single shot action, and a 26” heavy varmint, fluted, stainless steel barrel from Hart. Remington brass and Federal 210M primers were used in all the loads. Groups are 5 shots at 100 yards, and all bullets have been molly coated.
|
POWDER |
VELOCITY |
GROUP |
BULLET |
|
12.3 GREEN DOT |
FIRE FORM |
|
52 |
|
|
|
|
|
|
36.0 VVN 140 |
3391 |
0.443 |
60 BERGER HP |
|
36.7 |
3511 |
0.344 |
|
|
37.4 |
3552 |
0.299 |
|
|
38.1 |
3619 |
0.293 |
|
|
38.8 |
3650 |
0.352 |
|
|
39.5 |
3712 |
0.454 |
|
|
40.2 |
3780 |
0.369 |
|
|
40.9 |
3862 |
0.411 |
|
|
38.0 |
3275 |
1.752 |
65 BERGER HP |
|
41.0 |
3596 |
0.187 |
52 BRAWAND |
|
41.7 |
3695 |
0.313 |
|
|
42.2 |
3780 |
0.392 |
|
|
43.1 |
3842 |
0.291 |
|
|
44.5 |
4014 |
0.290 |
|
|
45.2 |
4120 |
0.333 |
|
|
45.9 |
4177 |
0.481 |
|
|
46.6 |
4279 |
0.355 |
|
|
47.3 |
4351 |
0.398 |
|
|
48.0 |
4420 |
0.489 |
|
|
36.0 RL 12 |
3504 |
0.272 |
45 BERGER HP |
|
37.0 |
3543 |
0.294 |
|
|
39.0 |
3715 |
0.282 |
|
|
41.0 |
3952 |
0.321 |
|
|
42.0 |
4039 |
0.337 |
|
|
43.0 |
4131 |
0.453 |
|
|
44.0 |
4281 |
0.422 |
|
|
45.0 |
4410 |
0.433 |
|
|
46.0 |
4533 |
0.408 |
|
|
38.0 VVN 135 |
4041 |
0.221 |
40 NOSLER BALLISTIC TIP |
|
39.0 |
4128 |
0.171 |
|
|
40.0 |
4260 |
0.311 |
|
|
41.0 |
4367 |
0.169 |
|
|
42.0 |
4482 |
0.315 |
|
|
43.0 |
4586 |
0.451 |
|
|
44.0 |
4657 |
0.715 |
|
|
45.0 |
4703 |
|
|
|
|
|
|
|
|
POWDER |
VELOCITY |
GROUP |
BULLET |
|
|
|
|
|
|
41.0 VVN 135 |
4522 |
0.282 |
35 BERGER MEF |
|
42.0 |
4620 |
0.324 |
|
|
43.0 |
4774 |
0.263 |
|
|
44.0 |
4897 |
0.242 |
|
|
45.0 |
5019 |
0.271 |
|
|
46.0 |
5130 |
0.929 |
|
|
41.0 VARGET |
4148 |
0.337 |
|
|
42.0 |
4238 |
0.476 |
|
|
43.0 |
4322 |
0.333 |
|
|
44.0 |
4473 |
0.279 |
|
|
45.0 |
4590 |
0.488 |
|
|
46.0 |
4710 |
0.412 |
|
|
47.0 |
4810 |
0.389 |
|
|
48.0 |
4866 |
0.382 |
|
|
41.0 REL 12 |
4105 |
0.414 |
|
|
43.0 |
4352 |
0.138 |
|
|
45.0 |
4644 |
0.312 |
|
|
47.0 |
4965 |
0.408 |
|
|
48.0 |
5106 |
0.449 |
|
|
40.0 W 748 |
4127 |
0.634 |
|
|
41.0 |
4194 |
0.398 |
|
|
42.0 |
4343 |
0.360 |
|
|
43.0 |
4455 |
0.397 |
|
|
44.0 |
4599 |
0.411 |
|
|
45.0 |
4723 |
0.215 |
|
|
46.0 |
4829 |
0.200 |
|
|
47.0 |
5001 |
0.723 |
|
|
42.0 BL-C 2 |
4220 |
0.342 |
|
|
44.0 |
4409 |
0.162 |
|
|
45.0 |
4539 |
0.258 |
|
|
46.0 |
4650 |
0.743 |
|
|
47.0 |
4749 |
0.324 |
|
|
48.0 |
4829 |
0.970 |
|
|
|
|
|
|
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Last updated August 20th, 2000