Originally Posted by bsa1917hunter
Whats IMR4320?


A very versatile powder that’s been around a long time. Best powder in a 17 Remington and 35 Whelen. And works great in myriad other rounds.

It’s not new and “improved” so it probably doesn’t interest many of the newer generation of shooters. Just us dinosaurs that stick to our old favorites.


Chronographs, bore scopes and pattern boards have broke a lot of hearts.