Lapua’s Midas+ rimfire ammunition is the improved generation of Midas. The long success story of Midas .22 lr ammo brought a lot of excellent results, which have been used as the basis for the new generation cartridges. Always accurate, this is the .22 caliber ammunition of choice for many world class rimfire shooters.
Ballistic coefficients are calculated by Quick Target Unlimited Lapua Edition from V0 to V75
BC G1 for all Rimfire .22 LR bullets = 0.172
Current Lapua rimfire ammo lot numbers are composed of eleven (11) digits, five (5) digits followed by a forward slash, followed by another six (6) digits.
The five digits before before the forward slash:
- First two digits (digits 1 and 2): Prepend a ‘3’ in front of the digits to get muzzle Velocity in meters per second. Example: If first two digits are 27, then the muzzle velocity is 327 meters per second.
- The last two digits (digits 4 and 5): Year of production code. 54 = 2019, 55 = 2020, etc.
The six digits after the forward slash is the actual lot number (assumed to increment sequentially).