M4A1 barrel, steel.We used only have alloy version of the M4A1 barrel as we think the Systema already have the M4 style steel barrel .But nah, people still want the one with 1/2-28RH thread, RS spec, RS weight product. So we HAO still bring you the Steel version of M4A1 barrel, with HAO quality.
We used only have alloy version of the M4A1 barrel as we think the Systema already have the M4 style steel barrel .But nah, people still want the one with 1/2-28RH thread, RS spec, RS weight product. So we HAO still bring you the Steel version of M4A1 barrel, with HAO quality.