Why the JP 6.5 Grendel Bolt Is a Solid Upgrade
If you're building a precision gas gun, picking up a jp 6.5 grendel bolt is one of the smartest moves you can make for long-term reliability. I've seen plenty of guys try to cut corners on their bolt carrier group, thinking a bolt is just a bolt, but with a caliber like the 6.5 Grendel, that's usually a recipe for a headache down the road. The Grendel is an awesome round—it punches way above its weight class in terms of distance and energy—but it's also notoriously hard on equipment. ...