External barrel for M4 AEG. It is made of aluminium and CNC machined. This is not a cheap casting! The barrel length is 267 mm. The thread is a classic left-handed M14 and is therefore suitable for most flame hiders and silencers.
It does not have a slot for the front sight pins. It is assumed that the barrel will pass through a floating forearm and the sights will be mounted on the top of the forearm, for example.
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