Hornady Lock-N-Load O.A.L. Gauge Curved Red - C1550

The Hornady Lock-N-Load O.A.L. (Overall Length) Gauge is a precision reloading tool designed to measure bullet seating depth and achieve uniform cartridge specifications. This curved gauge helps establish the proper relationship between bullet seating depth and jump to the rifling, improving reload accuracy. Compatible with multiple rifle calibers from .17 Remington to .500 Nitro; requires a modified case sold separately.