Achieve precise bullet seating depth.
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. This is the straight model gauge 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.
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.
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