338-378 KT

The following data was developed by my friend F.R. Mitchell in a Champlin Arms Keith Grade rifle with 25 barrel.

 

POWDER

VELOCITY

BULLET

PRIMER

BRASS

 

 

 

 

 

95.0 H 4831

2834

250 NOSLER

FED 215

WBY 378

96.0

2910

 

 

NORMA 378

98.0

2945

 

 

WBY 378

100.0

3013

 

 

 

96.0

2876

250 HORNADY

 

NORMA 378

98.0 RL 22

3000

250 NOSLER

WIN MAG

 

110.0 AA8700

2622

 

 

 

98.0 IMR 7828

2886

250 TROPHY BONDED

 

 

101.0

3000

250 NOSLER

FED 215

 

93.0 H 4831

2753

275 SPEER AGS

 

 

90.0

2680

275 SPEER SP

 

WBY 378

93.0 RL 22

2758

 

WIN MAG

NORMA 378

95.0

2769

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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