DartonJager
Well-Known Member
- Joined
- Apr 1, 2016
- Messages
- 1,010
For those interested or in need of more in-depth reloading education, posting a link to a great easy to understand explanation of the differences between COAL and CBTO and how they apply to reloading, SAMMI standards, magazine lengths and accuracy. It's a two part article one explaining COAL and the second explains CBTO and how one relates and affects the other. You can access part two there as well.
bergerbullets.com
Effects of Cartridge Over All Length (COAL) and Cartridge Base To Ogive (CBTO) - Part 1
Many shooters are not aware of the dramatic effects that bullet seating depth can have on the pressure and velocity generated by a rifle cartridge. COAL is also a variable that can be used to fine tune accuracy. It’s also an important consideration for rifles that need to feed rounds through a...
bergerbullets.com
