300 Sherman Shortmag (SS)

GREATSCOTT!

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Jan 22, 2020
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179
Location
Wetside of WA
What’s your COAL?
COAL - 2.985"
Base to ogive - 2.257"
I like the 200's better in this cartridge, it assures the boattail will be above the donut-prone area thru the life of the brass.
20210730_082033.jpg
 

GREATSCOTT!

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Joined
Jan 22, 2020
Messages
179
Location
Wetside of WA
Yeah, and I'll probably back it off speed-wise. Anywhere from 2900 to 2950 is plenty for me; and elk, moose and deer don't know the difference between 3050 and 2950 when 200 grains of lead smashes thru them.
 

Gstew1930

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Jun 3, 2020
Messages
221
Location
Mont Belvieu
Yeah, and I'll probably back it off speed-wise. Anywhere from 2900 to 2950 is plenty for me; and elk, moose and deer don't know the difference between 3050 and 2950 when 200 grains of lead smashes thru them.
I agree. I’m impressed you’re getting those kind of speeds
 

GREATSCOTT!

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Joined
Jan 22, 2020
Messages
179
Location
Wetside of WA
I was too. I ran short-batch speed tests on Superformance, Hybrid 100V, and RL16, and RL16 edged out the others for now. I'll revisit them once the barrel is finished speeding up.
 

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