i'm thinking pencil barrel, but what length?

[meatsweats]

18-20” would be best. I’d probably go 18” with rifle length gas.

[ATTACH=CONFIG]15747[/ATTACH]

Rifle length gas will be easier shooting. 18” barrel will gain you some range yet be easy to carry.

I’m not a fan of Ballistic Advantage barrels.. Faxon I’ve heard good things about.
The above is a 18”!fluted Green Mountain Barrel with a BCM upper/ aero precision handguard.

MS