Ear Defenders & Comms ..
It is not always possible to get the exact length outer barrel you require, and sometimes it is necessary to be able to add an extra inch or two onto your barrel for the attachment of Suppressors, tracer units and other accessories that may interfere with your rail system.
The madbull barrel extensions are buult to an extermely high quality from aluminium and are 14mm Clockwise Threaded at both ends so as to be useable on the majority of rifles.
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