Hey all,
Enjoy the vid...We show you how easy it is to switch between 5.56(.223) and 300 Blackout on our uppers. Sub-sonic and super-sonic ammo.
Our uppers use all the same internal components so all you need to do is switch uppers and boom! 300 Blackout.
Any qs, as always, send us a message on here or at info@rangewarrioraccessories.com
Cheers,
Barry