Has anyone developed any load info for the 120 for SST in 6.8
SPC? Any suggestions appreciated!
Printable View
Has anyone developed any load info for the 120 for SST in 6.8
SPC? Any suggestions appreciated!
I loaded 4198 with great results on paper . The pressure curve was just about 2" to long for the carbine gas length , the stroke was was just enough short that the lock open was all on the mag follower . Just standard GI parts . I haven't reshot any of that in the 20 rifle gas 5R barrel .
H322 didn't get me the groups , about 2.5" vs 1.5" .