On Sat, 2 Feb 2019 09:18:27 -0500, Keyser Soze wrote:

...308, except I went for the 18" barrel and upgraded BCG.

https://www.youtube.com/watch?v=BgNSwASaj-E

I would think an accuracy guy like you would go for the longer
barreled .308s.
Short barreled guns like that are for tactical situations like
clearing buildings.
A significant amount of the powder burns after the bullet leaves the
barrel. That was the biggest single gripe against the M1A SOCOM