21+ Vortex Bdc Calculator. The lrbc offers several features that set it. Ballistic calculator (lrbc) to determine the bullet drop for your rifle and load combination.

The vortex ® lrbc is shutting down june 30, 2025. You set all the parameters, ammo, reticle, atmospheric conditions and zero distance, it will then show you. Calculates the ballistic trajectory of a bullet fired from a rifle, handgun or other firearm.







