The Hornady Lock-N-Load Bullet Comparator is ideal for reloaders looking to quickly and precisely measure seating depth of loading ammunition form the bullet ogive to the base of the loaded round, eliminating inconsistencies in seating depth. The comparator attached to any caliper and measures cartridges from 17 to 45 caliber. Use with the Hornady Lock-N-Load OAL Gauge (sold separately) to determine the exact bullet seating depth.

Features:Comparator body only (bullet inserts sold separately) ;Off-center slot on comparator body