Sheridan Slotted Case Gauge
#1
Sheridan has just now offered up slotted gauges for the 6MM ARC cartridge.  I find these gauges to be absolutely essential in my reloading.  I use them for multiple calibers, 300BLK, 223/556, 308/762, 6.5CM, 45ACP and now 6ARC.

https://sheridanengineering.com/product/...ion-gauge/

When I began using them, many of the issues I may have encountered during my loading were quickly diagnosed and fixed without having to go thru many frustrations and components.  I found them especially useful in setting up my dies, determining if my trim length was good to go, bullet seating depths whenever I changed bullets (ogive differences) and if neck trimming was required after bullet seating. My greatest "Ah-ha" moments were when I was able to determined if shoulder bump, case web sizing or bullet ogive were amiss, something I could never readily determine before with other types of gauges, the Sheridan slotted tell you in a single glance  Big Grin

When using "once fired brass", the gauges also enabled me to find those casings that probably had been fired thru SAW's or M60's and had rims that were slightly damaged but not readily visible that affected chambering.

I can't say enough good things about these Sheridan gauges, they have saved me immensely in time, components and funds.

....and before the flaming begins, I don't receive any kind of compensation from Sheridan, I just receive excellent service and results from their products  Wink
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#2
I also like these slotted gauges and have been waiting for weeks to get one to diagnose my resizing issues.  USPS says it is out for delivery so maybe tonight I can fix my problem.
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#3
(10-18-2021, 04:11 PM)tlbaker Wrote: I also like these slotted gauges and have been waiting for weeks to get one to diagnose my resizing issues.  USPS says it is out for delivery so maybe tonight I can fix my problem.

...just remember, these gauges are reamed to SAAMI "min spec", your specific chamber may vary.  With all of my calibers that I have these gauges for, before any initial loading during development  I use them to check my sized case dimensions, if they fit well I know I most likely won't have an issue with chambering (AR's). I also check if my initial bullet seating depth for a particular bullet will fit without being too long.  After the 1st firing of cartridges set with what the gauge told me, I will remeasure the fired case to determine what my chamber tells me so if necessary, I can adjust my dies accordingly (which is usually the amount of shoulder bump and how it affects the headspacing).
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