Hornady Lock-N-Load CURVED OAL Gauge C1550 + .223 Remington Modified Case A223


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Country/Region of Manufacture:
United States
Ammunition Type:
Press Type:
Single Stage
Case Cleaner
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  This listing includes: 

   ONE  Hornady Lock-N-Load® CURVED (O.A.L.) Overall Length Gauge


and ONE  Hornady Lock-N-Load® Modified Case for

.223 REMINGTON   5.56 X 45mm


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.

Curved Model

This Listing includes the CURVED O.A.L. gauge model and one Modified Case.

Item #C1550

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.

Straight Model (not this listing)

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.

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.