wind gypsy
"DADDY"
- Joined
- Dec 30, 2014
- Messages
- 12,522
Form factor is a metric to compare how high a bullets BC is given it's weight and diameter. Lower form factor # = better in regards to how slick a bullet is aerodynamically. G7 BC = Sectional Density of bullet / Form Factor. Most companies dont publish that number but it is an interesting one to use in comparing berger bullets.
Form Factors: A Useful Analysis Tool
In 2009, Berger Bullets introduced G7 BC’s for boat tail bullets. For those who are unfamiliar with G7 BCs, it’s simply a Ballistic Coefficient referenced to the G7 standard projectile instead of the G1 standard projectile. The G7 standard is a better match for modern long range bullets, so the...
bergerbullets.com
