Long range precision target shooters are very familiar with 4-20x front focal scopes. Burris now brings that size to long range hunters. The Burris Veracity 4-20x50mm allows target shooters and hunters the same finely-tuned precision.This size is perfect for varmint hunting, and any very-long range hunting adventures. It also doubles very successfully in long range precision shooting. Uses TALL capped knobs.