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  • Hornady Hornady Lock-N-Load O.A.L. Gauge
  • Hornady Hornady Lock-N-Load O.A.L. Gauge
  • Hornady Hornady Lock-N-Load O.A.L. Gauge

Hornady Lock-N-Load O.A.L. Gauge

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Hornady Lock-N-Load O.A.L. Gauge
Curved Mfg# C1550 UPC: 090255704174
Straight Mfg# C1000 UPC: 090255704006

In stock (1) (Delivery timeframe:1-8 Business Days)

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.

Achieve precise bullet seating depth.

To use the Lock-N-Load O.A.L. Gauge, you will need a Modified Case (sold separately) to fit your firearm's chamber and thread it onto the gauge. These specially prepared modified cases are threaded at the case-head and have a .002" oversized neck to accept the same bullets you intend to load.

This is critical, as the Lock-N-Load O.A.L. Gauge dimensions obtained will be accurate to .001". These results cannot be attained with competitive products, which use a simulated bullet with an arbitrary shape.


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.


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.

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