Home Forums Hunting & Shooting AR and Tactical Rifles The 6.5 Grendel is a shlt cartridge past 200 yds.

The cartridge is the same, but the chamber specifications are different (the SPC II has more free bore).

https://68forums.com/forums/showthr...e-between-the-6-8-spc-and-the-6-8-spc-II


A lot like 223 has different chamber specifications (clymer, Wylde, 5.56, ...)