What Buffer tube comes stock on Del-ton

[joeg26er]

What Buffer tube comes stock on Del-ton with the standard 6-pos?
Mil-spec or commercial?

thanks

 

[joeg26er]

FYI found out that Del-ton uses a commercial tube on the standard 6 position stock

 

[P.B.Walsh]

What do they use on their A2 stocks?

 

[highorder]

Aren't all A2 buffer tubes mil-spec?...