Athlon RangecraftThe Athlon Rangecraft Velocity Pro is a remarkably similar devices in both design and function to the Garmin Xero C1. Both are compact Doppler radar chronographs capable of accurately measuring projectile velocity from roughly 65 fps up to 5,000 fps, supporting rifles, pistols, airguns, and even archery. Theyre portable, simple to operate, and deliver excellent shot to shot consistency. The Athlon comes in at a lower price, with a larger display thats