The Hornady Lock-N-Load Modified Case (B257) is a precision reloading tool designed for 257 Weatherby Magnum chambered rifles to work with Hornady Lock-N-Load O.A.L. Gauges for accurate bullet seating depth measurement. This modified case helps handloaders achieve precise cartridge overall length and optimize bullet jump to the rifling for improved accuracy.
Key Features
- Model B257 for 257 Weatherby Magnum
- Threaded case head with precision fine threads for Lock-N-Load O.A.L. Gauge attachment
- .002 inch oversized neck diameter to accept standard bullets
- Manufactured to SAAMI specifications
- Bronze colored brass construction
- Accepts same bullets you intend to load for accurate results
Special Features
- Case head is specially threaded to attach securely to Lock-N-Load gauges and remain perfectly square for precise chamber alignment
- Neck is machined perfectly round and opened slightly so bullets slip in effortlessly but concentrically
- Designed to provide measurements accurate to .001 inch when used with Lock-N-Load O.A.L. Gauge
- Compatible with Hornady Lock-N-Load Straight Model C1000 and Curved Model C1550 gauges
Practical Benefits
- Essential for handloaders who want to determine optimal seating depth for their 257 Weatherby Magnum loads
- Eliminates guesswork when developing accurate long range hunting loads
- Allows measurement of exact bullet to rifling contact point in your specific rifle chamber
- Works with bolt action, single shot, autoloader, lever action, and pump action 257 Weatherby Magnum rifles
- One modified case provides repeatable measurements for load development across multiple bullet types
The Hornady B257 Lock-N-Load Modified Case for 257 Weatherby Magnum is a dependable option for any serious handloader seeking maximum accuracy through precise seating depth control.
| MANUFACTURER | HORNADY |
| CALIBER | 257 WBY MAG |