338 Winchester Magnum

   

The following data was developed in a McMillan Talon rifle, with a 26-inch barrel. A Leupold 6.5-20 scope was installed in Leupold bases and rings. All groups are 3 shots at 100 yards. We used Winchester brass and the Federal 215 primers in all the loads

 

POWDER

VELOCITY

GROUP

BULLET

 

 

 

 

67.5 - W 760

2785

1.177

200 NOSLER BALLISTIC TIP

69.0

2834

0.728

 

70.5

2922

1.826

 

72.0

2964

0.722

 

73.5

3080

1.980

 

68.0 H 414

2863

1.257

 

69.5

2941

1.849

 

71.0

2977

0.997

 

72.5

3043

1.365

 

74.5

3117

0.757

 

75.5

3148

2.101

 

77.0

3154

1.191

 

71.0 VVN 165

2727

1.369

230 WINCHESTER FAIL SAFE

72.5

2769

1.750

 

74.0

2819

0.359

 

75.5

2834

0.229

 

77.0

2854

1.106

 

67.0 VARGET

3098

1.003

160 BARNES X

68.5

3201

0.979

 

70.0

3218

0.702

 

71.5

3348

0.745

 

73.0

3383

0.743

 

74.5

3394

1.479

 

76.0

3539

1.521

 

70.0 H 414

3037

2.414

185 BARNES X BT

71.5

3128

2.018

 

73.0

3176

1.279

 

74.5

3184

1.062

 

76.0

3285

3.393

 

77.5

3292

1.922

 

68.0 H 4831

2419

0.715

215 SIERRA SP

69.5

2526

1.179

 

71.0

2598

0.790

 

72.5

2627

1.192

 

74.0

2723

0.943

 

75.5

2761

0.677

 

77.0

2822

0.898

 

78.5

2865

1.511

 

80.0

2909

1.402

 

81.5

2965

1.203

 

 

 

 

 

 

The following data was developed by my friend F.R. Mitchell, in 4 different rifles, details of each rifle are given ahead of each load table.

Dakota Deluxe safari Grade with a 23 barrel

 

POWDER

VELOCITY

BULLET

PRIMER

BRASS

76.0 IMR 4831

2866

225 NOSLER

WLRM

WIN

75.0 IMR 4831

2855

 

 

 

70.0 IMR 4350

2600

250 HORNADY

FED 215

 

 

2614

250 SPEER GS

 

 

76.0 RL 22

2687

 

 

 

77.0

2717

 

 

 

 

2711

250 NOSLER

 

 

74.0 IMR 4831

2737

 

 

 

73.0

2742

250 SPEER GS

WLRM

 

75.0 RL 19

2686

250 NOSLER

 

 

68.0 IMR 4350

2446

275 SPEER

FED 215

 

75.0 H 4831

2547

 

 

 

74.0 RL 22

2562

 

 

 

76.0 H 4831

2600

 

WLRM

 

66.0 IMR 4350

2340

300 WIN PP

 

 

 

 

 

 

 

WIN FAIL SAFE

2638

230 FS

 

 

 

 

 

 

 

 

 

 

 

 

The following were developed in a Kimber Model 89 rifle with a 24 barrel.

 

POWDER

VELOCITY

BULLET

PRIMER

BRASS

FED SAFARI

2600

250 NOSLER

 

 

REM

2745

225

 

 

71.0 IMR 4350

2805

210 NOSLER

FED 215

WIN

73.0

2902

 

CCI 250

 

69.0

2630

250 NOSLER

FED 215

 

 

2635

250 HORNADY

 

 

72.0 H 4831

2518

250 SPEER GS

CCI 250

 

70.0 IMR 4350

2626

250 HORNADY RN

 

 

74.0 H 4831

2600

250 SPEER GS

 

 

75.0

2617

250 HORNADY

FED 215

 

77.0 RL 22

2769

250 NOSLER

 

FED

70.0 IMR 4350

2670

 

 

WIN

69.0

2668

250 BEAR CLAW

 

 

73.0 H 4831

2538

275 SPEER

 

 

75.0 RL 22

2668

 

 

 

 

2670

 

 

FED

70.0 H 4831

2371

300 WIN PP

CCI 250

 

72.0 RL 22

2505

 

FED 215

 

71.0 H 4831

2467

 

 

REM

 

 

 

 

 

 

 

 

 

 

 

The following loads were developed in a custom rifle built on an FN action. It had a 24 Donnelly barrel.

 

POWDER

VELOCITY

BULLET

PRIMER

BRASS

FED SAFARI

2600

250 NOSLER

 

 

77.0 RL 19

2854

210 NOSLER

WIN

WIN

76.0

2804

225 NOSLER

 

 

69.0 IMR 4350

2553

250 NOSLER

FED 215

 

 

2521

250 HORNADY

 

 

70.0

2590

250 TROPHY

 

 

71.0

2610

250 NOSLER

 

 

72.0

2700

 

WIN

 

76.0 RL 22

2710

 

 

 

 

2750

250 TROPHY

 

 

70.0 IMR 4350

2636

250 NOSLER

 

 

 

2675

250 HORNADY

FED 215

 

 

2675

250 NOSLER

 

 

 

 

 

 

 

 

The following were developed in a Winchester Pre-64 Model 70, with a 25 barrel

 

POWDER

VELOCITY

BULLET

PRIMER

BRASS

FED PREMIUM

2578

250 NOSLER

 

 

72.0 IMR 4350

2918

225 HORNADY

WLR

WIN

70.0

2667

250 HORNADY RN

REM 91/2

 

 

2719

250 SPEER GS

 

 

 

2728

250 NOSLER

 

 

 

 

 

 

 

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Last updated July 11th, 2000