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What the Go/No-Go Gauge Checks
— Primer Pocket Depth
— Primer Pocket Diameter
Easy to Use
Go: The "Go" end of the gauge should enter the primer pocket freely and easily. When fully inserted, the Depth Groove indicates proper primer pocket depth.
No Go: If the "No Go" end, fully inserts into the pocket, that indicates the primer may not be retained securely.
Handy for Setting Up Primer Pocket Swagers
The SWAGE GAUGE® Primer Pocket Gage takes the guesswork out of primer pocket swager adjustment. Is particularly useful for setting up the Auto-Swage System on a Dillon 1050 press. Know instantly if you are swaging or chamfering enough to fully remove a military primer crimp … of if a primer pocket has been over swaged or over chamfered and making the primer pocket too loose to hold a primer properly.
"I created the prototype of this tool for my own use in brass processing. I needed a way to quickly and easily measure primer pockets that was reliable and did not require wasting a primer. This tool has been indispensable for me and I would never go back to the old method of uncertainty and guessing."
Jason Giglio - Ballistic Tools, Inc.
Customer Feedback
"I have a couple of .223 Rem rifles and buy once-fired brass for reloading. It's a mix of military and commercial cases and even many of the commercial brass have crimped primer pockets. Your gauge lets me quickly sort out the crimped brass from that already properly sized for new primers and let me set up a borrowed Dillon Super Swage to properly swedge the crimped pockets without over sizing them. A super useful product that should be emphasized more in your ads."
— Dave B. - Pittsburgh, PA (8/14/15)
 Primers & Primer Pockets |
SWAGE GAUGE is a registered trademark of Ballistic Tools, Inc. NOTE: although both Small Primer and Large Primer SWAGE GAUGES are shown together in the photo, they are sold separately. To download the SAAMI Specs for primers and primer pockets, click on the icon at left. |
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See Also
| Specifications | |
| Material | O1 Tool Steel |
| Hardness | 57-61 HRC |
| Length (overall) | 1.5" |
| Weight | 0.7oz |
| Diameter (at knurled grip) | 0.5" |
Customer Reviews
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Average rating from 2 reviews: 5.0 |
Tip: Gage the primer pockets of that military brass to see how many times it's been "once fired". If the GO gauge fits the primer pocket, more than likely the brass is not "once fired".
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