5.7x28 ammo reloaded with three new powders, not in the books.

[@ronwilly9732]

Cooking it pew pew 🔫

[@EliteAmmunition]

Been reloading 5.7 for decades. Just a few things you have to watch for.

[@flipitflagpole1328]

And what is this you speak of, Thing to watch for.