maple_leaf_eh
CGN Ultra frequent flyer
These are my case fire forming and plinking loads, for fire forming I slip a rubber o-ring around the case and fire them at “zero” headspace.
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What happens when you fire a case without the rubber o-ring, the case stretches and thins in the web area and your cases do not last long when reloaded.
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The case after fire forming using the rubber o-ring method now headspaces on the shoulder and not the rim. Now all you do is neck size only and count how many times you can reload your cases. (try for over 30)
Breaking news! The latest trend in reloading is o-rings on cartridge rims!


















































