largest BC projectile data base

Re: largest BC bullet data base

it would be interesting to see if other members agree with the given BC numbers compared to what you use ,The Norma 130 gr non moly projectile in this program is calculated at 0.266bc I am using .273bc-A minor difference maybe -1 mill rad difference at 1 kilometer .273 =268.45" of drop .266= 272.91- I think my .273bc dope is better