Hornady Lock-N-Load Cartridge Gauge .308/.30-06

Hornady Lock-N-Load Cartridge Gauge

Precision ammunition demands precision verification. The Hornady Lock-N-Load Cartridge Gauge is a straightforward, reliable tool that answers a critical question: does your ammunition fit your firearm's chamber correctly?

Why It Matters

Whether you're a meticulous reloader or a shooter who wants to ensure factory ammunition performs as intended, this gauge provides confidence. It checks both loaded cartridges and empty cases against SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) chamber specifications.

Key Features

• Dual-caliber design checks both .308 Winchester and .30-06 Springfield cartridges
• SAAMI-spec verification ensures your ammunition meets industry standards
• Lock-N-Load compatibility integrates with Hornady's reloading system ecosystem
• Durable construction built to last through countless checks
• Simple operation no special skills required—just insert and verify

How It Works

Insert your cartridge into the appropriate chamber. If it fits properly, your ammunition is within specification. If it doesn't, you've identified a potential issue before it reaches the firing line.

For reloaders, this gauge is invaluable for quality control. For shooters, it's peace of mind in a compact package.