rpm

Twist Rate, RPM, and Their Effects on Terminal Performance With Monolithic Bullets What Spin Actually Does — and What It Doesn't By Aaron Peterson — Hawkeye Ammosmithing Data-driven ballistics, tested & proven Introduction: Where the RPM Myth Comes From In modern hunting and long-range...

Rebated Precision Magnum. I was wondering why this odd cartridge popped up. I do understand the .473" rim allows it to be built on a .30-06 bolt size. I honestly think the idea would make a better .25. The last new quarter bore I can think of is the WSSM. The 6.5 market is pretty flooded lately...