The Hornady 243 Win Cartridge Gauge (380709) is a Lock-N-Load drop-in case gauge that lets you quickly verify your sized brass and loaded 243 Winchester ammunition will fit correctly in a SAAMI spec chamber. This Hornady 380709 243 Win cartridge gauge gives rifle reloaders a fast bench check for headspace and case length on their 243 Win loads.
Key Features
- Manufacturer part number: 380709
- Cartridge: 243 Winchester (.243 diameter)
- Product type: Lock-N-Load cartridge gauge
- Function: checks sized cases and loaded cartridges for correct fit in SAAMI chambers
- Gauge style: go/no-go style drop-in gauge
- Construction: steel body machined to SAAMI specification dimensions
- Compatibility: works with empty sized brass and complete loaded 243 Win 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 top and bottom reference surfaces, giving you an immediate visual pass or fail on sizing and trimming.
- The internal profile mirrors a proper 243 Winchester chamber, which helps you catch brass that is too long, bulged, or under-sized before it causes tight chambering or extraction issues.
- One-piece steel construction provides a durable, long term reference tool for frequent use on the loading bench.
- Dedicated 243 Win geometry gives you a cartridge-specific check instead of relying on feel when test-fitting rounds in your rifle.
Practical Benefits
- The Hornady 243 Win Cartridge Gauge (380709) helps you catch headspace and case length problems at the bench so your 243 Winchester ammo chambers smoothly and consistently.
- You can sort questionable brass and confirm that resized cases and finished rounds work with typical SAAMI chambers, reducing the need to test every batch in the rifle.
- As you dial in your sizing die and trimmer setup, this gauge provides a consistent standard so your 243 Win reloads feed and perform the way you expect in varmint, target, and hunting rifles.
| MANUFACTURER | HORNADY |
| CALIBER | 243 WIN |