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Hornady Lock-N-Load STRAIGHT OAL Gauge C1000 +Modified Case 7x57 Mauser A7X57

SKU: C1000+A7X57

MPN: C1000+A7X57

Country/Region of Manufacture: United States

Model: C1000+A7x57

Gauge/Caliber: 7x57 Mauser

Press Type: N/A

Ammunition Type: Rifle

Brand: Hornady

Caliber: 7x57 Mauser

Capacity: N/A

Type: Straight OAL Gauge with Modified Case



This listing includes: 

 Hornady Lock-N-Load (O.A.L.) Overall Length Straight Gauge


and One Hornady Lock-N-Load Modified Case for

7x57 Mauser


Lock-N-Load O.A.L. Gauges  -  used with Modified Cases

Regulating seating depth and the resulting "jump" to the rifling is widely regarded as fundamental to improved accuracy.   A few thousandths of an inch change between the bullet and the rifling can make the difference between average accuracy and real tack-driver performance.

Product Line

The Lock-N-Load® O.A.L. Gauge is universally acclaimed as the most accurate, easy-to-use and reliable method of regulating seating depth and the resulting "jump" to the rifling.

Straight Model  This Listing includes the straight model and one Modified Case.

Item #C1000

For all bolt-action and single-shot firearms, or any firearm with straight-line access to the chamber. This model is preferred, as it is most precise and user friendly.

Curved Model (not this listing)

For all autoloader, lever-action, or pump-action rifles. Also fits all bolt-action and single-shot firearms. Inserts into chamber through ejection port. Not compatible with Adapter "D" or short-bodied cases.

Lock-N-Load  Modified Cases 

 Modified Cases are readily available to fit most popular rifle chambers.

All are manufactured to SAAMI specs.


We are unable to accept returns on used, fitted, or altered parts. 
Returns must be in new, unused condition and in their original packaging.