The Lapua Biathlon Xtreme cartridge uses a newly developed, temperature insensitive powder that functions in all biathlon conditions. The bullet’s special shape ensures reliable and easy functioning and together with the new powder it provides unbeatable accuracy and consistent velocities. During product development, the Lapua Biathlon Xtreme cartridge endured extensive laboratory testing and calculations as well as demanding field testing for function and accuracy by two of the world’s top biathlon teams.
Ballistic coefficients are calculated by Quick Target Unlimited Lapua Edition from V0 to V75
BC G1 for all Rimfire .22 LR bullets = 0.172