Standard ammunition dimensions can be found here.

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Input

Suggested Twist
Bullet Length  
in 		INCHES : REVOLUTION*
    *Round Down To Closest Half Twist
Bullet Diameter  
in
       
Muzzle Velocity   fps
Bullet SG  


Bullet
SG Values:

  

11.3 Lead
10.0 Jacketed

8.9 copper

8.5 brass

7.8 steel


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