HORNADY 380713 7MM REM MAG CARTRIDGE GAUGE

The Hornady 7mm Rem Mag Cartridge Gauge (380713) is a Lock-N-Load drop-in case gauge that lets you quickly confirm your sized brass and loaded 7mm Remington Magnum ammunition will fit correctly in a SAAMI spec chamber. This Hornady 380713 7mm Rem Mag cartridge gauge gives reloaders a fast bench check for headspace and case length on their 7mm magnum loads.

Key Features

• Manufacturer part number: 380713
• Cartridge: 7mm Remington Magnum (.284 diameter)
• Product type: Lock-N-Load cartridge gauge, go/no-go style
• Function: checks sized cases and loaded cartridges for correct fit in SAAMI specification chambers
• Construction: high carbon steel body machined to SAAMI chamber dimensions with a silver finish
• Compatibility: works with empty sized brass and complete loaded 7mm Rem Mag rounds
• Quantity: one cartridge gauge per package

Special Features

• Drop a case or loaded round into the gauge to see if it sits within the machined reference surfaces, giving you an immediate visual pass or fail on sizing and trimming.
• The internal profile mirrors a 7mm Rem Mag SAAMI chamber, which helps you catch brass that is too long, over-fat, or improperly sized before it causes tight chambering or extraction issues.
• One-piece steel construction provides a durable, long term reference tool that stands up to frequent use on the reloading bench.
• Caliber-specific 7mm Rem Mag geometry gives you a more precise check than relying on feel when test-fitting rounds in your rifle.

Practical Benefits

• The Hornady 7mm Rem Mag Cartridge Gauge (380713) helps you detect headspace and case length problems at the bench so your 7mm Remington Magnum ammo chambers smoothly and consistently.
• You can sort questionable brass and confirm that resized cases and finished rounds work with typical SAAMI chambers, which reduces the need to test every batch in the rifle.
• As you dial in your sizing die and trimming setup, this gauge provides a consistent standard so your 7mm Rem Mag reloads feed and perform the way you expect in hunting and long-range rifles.