Hornady's Lock-N-Load Cartridge Gauge for .223 Rem lets you verify case and ammunition fit in SAAMI chambers with precision and confidence.
Precision reloading and ammunition verification begins with proper chamber fit. The Hornady Lock-N-Load Cartridge Gauge provides a straightforward method to check your cases and finished ammunition against SAAMI specifications.
Whether you're a meticulous handloader or simply want to verify factory ammunition, this gauge protects your firearms and ensures reliable performance. Ammunition that doesn't fit properly can cause dangerous pressure spikes or feeding failures. This simple tool prevents both problems before they occur.
The Hornady Cartridge Gauge is an essential addition to any serious shooter's toolkit—whether you're at the reloading bench or in the field.