Hornady Lock-N-Load Cartridge Gauges allow the user to check their cases and ammo to ensure a correct fit in SAAMI chambers. Available in a variety of calibers.
- Function:
- Ensure a Correct Fit
- Caliber:
- 300 Blackout
- FireArm:
- No
- Requires FFL:
- False
- Series Description:
- Cartridge Gauge
