25-284 Winchester

A loaded round with additional cases already necked down to 25 caliber.

We developed this data in the same rifle that we used to develop our data for the 250 Ackley. All we did was re-cut the chamber to this wildcat.

The rifle was a Remington 40X, with a 26" Lilja stainless, fluted barrel. The stock was the original Remington synthetic. A Leupold 6.5-20 scope was installed in Jewel rings and Kelbly bases. Winchester 284 brass, and the Federal 210M primers were used throughout the tests. All groups were 3 shots at 100 yards, and all bullets were molly coated.

 

POWDER

VELOCITY

GROUP

BULLET

 

 

 

 

50.0 VVN 150

3588

0.913

75 HORNADY V-MAX

51.0

3676

0.591

 

52.0

3741

0.849

 

53.0

3798

1.102

 

54.0

3859

0.639

 

53.0 H 4831

3087

0.642

 

55.0

3207

0.692

 

56.0

3295

0.167

 

57.0

3364

0.403

 

58.0

3449

0.672

 

59.0

3579

0.654

 

60.0

3628

0.407

 

61.0

3698

0.958

 

62.0

3709

0.126

 

63.0

3788

0.470

 

54.0 REL 19

3283

0.491

85 NOSLER BALLISTIC TIP

55.0

3397

0.466

 

56.0

3504

0.488

 

57.0

3570

0.668

 

58.0

3635

0.552

 

59.0

3718

1.016

 

58.0 VVN 165

3491

0.861

 

59.0

3542

0.585

 

60.0

3634

0.666

 

61.0

3669

0.806

 

62.0

3759

1.015

 

57.0 H 1000

3205

0.480

100 NOSLER BALLITIC TIP

58.0

3256

0.444

 

59.0

3301

0.653

 

60.0

3340

0.658

 

61.0

3416

0.440

 

62.0

3503

0.541

 

63.0

3538

1.421

 

57.0 VVN 165

3325

1.071

 

58.0

3389

0.757

 

59.0

3452

0.990

 

60.0

3496

0.487

 

61.0

3547

0.521

 

 

 

 

 

 

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Last updated January 12th, 2001