The 6.5 bolts are the type 2.
Bolt face Depth is .135. Caution! The 5.56mm bolt was not designed for the higher pressure of the 6.5 mm. You are pushing the limit with this cartridge . We do not recommend increasing your load pressure. You are
risking an even bigger disaster if the gun comes apart. If you
load your ammo to higher than factory recommended load pressures, you do so at
your own risk and Young Manufacturing will not be responsible for any damage or
injury resulting from over pressured hand loads. Be safe and enjoy the
cartridge for what it is. It packs plenty of punch without getting crazy with