I just bought one of these because I just bought a Magnetospeed and felt that my WCI brake would be blasting the crap outta the chrono.
https://www.ebay.com/itm/113315792785
I'll let you guys know how it performs. After browsing this thread, I might buy a converter and then get a .30cal SI Jcomp (which I've had great results with in 5.56).
Anyone have experience using a .30 cal comp with the Grendel?
https://www.ebay.com/itm/113315792785
I'll let you guys know how it performs. After browsing this thread, I might buy a converter and then get a .30cal SI Jcomp (which I've had great results with in 5.56).
Anyone have experience using a .30 cal comp with the Grendel?

