Stoney Point OAL Gauges

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Stoney Point OAL Gauges

Stoney Point OAL Gauges

Stoney Point OAL Gauges have been discontinued and no longer available.

Stoney Point O.A.L. Gauge is a precise bullet seating depth: one of the best-kept secrets to accurate reloading. Precisely regulating the bullet 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 just so-so accuracy and real tack-driver performance. StoneyPoint OAL Gauge is universally acclaimed as the most accurate, easy-to-use, and reliable method of obtaining that critical relationship.

To use Stoney-Point OAL Gauge you will need to purchase a Stoney Point Modified Case to fit your firearm's chamber and thread it onto the Gauge. Stoney Point offers interchangeable Modified Cases in all common sizes from .17 Remington up to and including .45 Government. These specially prepared Stoney Point 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 Stoney-Point OAL Gauge dimensions obtained will be accurate to .001". Results such as this cannot be attained with competitive products which use a simulated bullet with an arbitrary shape.

Two OAL Gauge models – either model fits any Modified Case

Stoney Point C-1000 Straight O.A.L. 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.

Stoney Point C-1550 Curved O.A.L. Gauge – For all autoloader, lever-action, or pump-action rifles. Also fits all bolt-action and single-shot firearms. Inserts into chamber through the ejection port.

Package Contents:

  • Stoney Point O.A.L.Gauge

How to use the Stoney Point OAL Gauge

1. Thread the Modified Case onto the OAL Gauge and slip a bullet into the case mouth.

2. With the bolt removed, slide the Gauge assembly forward snugly into the chamber.

3. Gently slide the Gauge's internal bullet push-rod (plunger) forward, which will urge the bullet into contact with the lands. With a little practice, you can feel the contact of the bullet against the origin of the rifling. Tighten the brass thumbscrew, which will lock the push-rod and bullet in place. Then remove the assembly from the gun.

4. The Gauge has a measuring port directly under the case head. The port allows your caliper blade to rest on the case-head, providing easy measurement of the longest possible bullet/case combination that will fit into the chamber. It is now easy to transfer this measurement to the rounds produced by your seating die.