Ideal COAL/CBTO Calculator
Summary
"When the term Ideal OAL is used, it means the junction of the boat tail and bearing surface of the bullet is forward of the junction of the neck and shoulder of the case by about .025 or so."
-Robert Whitley
Ideal COAL Calculator
Projectile Overall Length:
Projectile Boat Tail Length:
Brass Trim Length:
Brass Neck Length:
Donut Allowance:
Magazine Length (Optional):
Ideal CBTO:
Fits Magazine:
Ideal CBTO Calculator
Projectile Base to Ogive:
Projectile Boat Tail Length:
Brass Trim Length:
Brass Neck Length:
Donut Allowance:
Ideal CBTO:
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