February 1st, 2023
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Accuracy One Precision Primer Gauge — Superb Quality
For centerfire rounds, consistent ignition (and low ES/SD) all begins with the primer in the base of the cartridge. When the firing pin strikes the primer, it sets off a small flame/spark which lights the powder in the case. Energy from that burning powder pushes the bullet out of the cartridge, down the barrel, and out to the target. It’s fair to say, then, that accurate shooting all begins with the primer.
When seating primers, consistency counts. You want to make sure the primer is fully seated in the primer pocket in the base of the case. You want to ensure a slight bit of crush (flattening) for proper seating, and it doesn’t hurt to have very consistent primer seating depths. That’s why guys use tools to uniform their primer pockets.
Here’s a tool that lets you measure the consistency of primer seating depths. Forum members have reported it works really well — measurements are quick and repeatable. Will this tool lower your ES/SD or improve accuracy? That’s hard to say. However, it will definitely help you detect when a primer in a loaded round is seated too high or too low — that’s important. In addition, it can give you precise measurements for comparison testing with different types of primers.
Accuracy One Precision Primer Gauge
The Accuracy One Precision Primer Gauge will precisely measure primer pocket depth and the depth of seated primers in relationship to the face of the case head. The Precision Primer Gauge can also be used to measure the thickness of an unseated primer, allowing you to calculate the optimum seating depth for the particular primers and cases you are loading.
Precision Primer Gauge Features:
Digital Indicator with 0.01mm/0.0005? resolution
Gauge Body is machined from 303 stainless steel
Small Primer Stem and Large Primer Stem
Both .223 Rem and .308 Win zeroing block
Magnum and .338 Lapua zeroing block
Case Compatibility: The Precision Primer Gauge works with 300 Win. Mag case head diameter (.532″) cartridges, .308 Win. case head diameter (.473″) cartridges, and .223 Rem case head diameter (.378″) cartridges using either large or small primers.
Precision Primer Gauge Pricing:
PPG Without Indicator: $150.00
PPG With Indicator: $210.00
PPG Main Body Only: $55.00
Gauge Stand: $55.00
Phone Orders: Call (814) 684-5322
How to Order the Precision Primer Gauge:
The Precision Primer Gauge can be ordered via phone, email, or postal mail. CLICK HERE for more info.
Assembly Tips: Nylon screw is provided for securing the gauge body to the indicator. The contact point of the indicator must be removed to provide proper function. Also, please note that the standard gauge body is not compatible with cartridges that share the .338 Lapua case head diameter unless the diameter of the magnum step is machined to .595″ to accept the larger diameter case head. This modification of the gauge body is available upon request.
Accuracy One, Precision Primer Gauge, Primer, Primer Gauge, Primer Pocket, Primer Uniforming, Priming