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

1.162

 

 

 

 

 

 

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