Shooting gas check boolits without gas checks (subsonic 300blk) 247 noe

[wrxkyle]

Can you shoot gc mold bullets without checks? Are there any problems or does it work fine?

[badgeredd]

http://castboolits.gunloads.com/showthread.php?65035-Can-I-shoot-a-gas-check-design-with-out-the-gas-check