Military Issue M4 Barrels

[P99AS9]

Do the standard issue M4's in the U.S. military have chrome lined barrels?

 

[Bartholomew Roberts]

Yes.

 

[HorseSoldier]

+1 on the yes.

 

[oif-vet]

Chrome lined with a 1:7 twist.

 

[RockyMtnTactical]

certainly.