OG/OG6.5 Specific AR upper?

[KJ_ND]

16" criterion pencil
PRI Rifle length tube
PRI gas buster
Shoots great on a rifle length buffer

 

[ShootOkHuntWorse]

16" criterion pencil
PRI Rifle length tube
PRI gas buster
Shoots great on a rifle length buffer

Ooo I like that!

What length handguard is that?

 

[ShootOkHuntWorse]

16" criterion pencil
PRI Rifle length tube
PRI gas buster
Shoots great on a rifle length buffer

Or did you mean rifle length handguard? Cause the criterion pencil barrels I’m seeing are mid-length. Otherwise got a link?

 

[KJ_ND]

Or did you mean rifle length handguard? Cause the criterion pencil barrels I’m seeing are mid-length. Otherwise got a link?

Handguard is a pri rifle length. It's a mid length pencil barrel.
I just went pencil to shave some weight. Bottom is a 20" criterion core shoots great as well.