I did notice that a lot of folks with OOB problems were either using
Remington Thunderbolts, or Remington Golden Bullets...
both of those are well-known headache ammo...
known issues of that brand are:
1. Out of spec bullet
2. bad crimps
3. double powder charge
4. low powder charge
5. zero powder charge (squib)
6. out of spec case
7. spotty primer
8. zero primer

Quit using them for anything but single-action revolvers about a decade ago...
so when I see folks paying exorbitant prices for them since the crunch
started, all one can do is feel sorry for those who buy 'em...

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Marlin & Calico Specialist