August 5, 2013August 1, 2013 A quick review of the new Magpul PMAG 40. The rifle used is a Windham Weaponry Carbon Fiber AR-15. Share this gun video:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)