Killen Custom Airsoft Mk48 Magazine
OptimusPrime
06 Nov 2020
More from Killen Custom in converting your M249 into a MK48, showing a MK48 Box magazine this time... "I am Killen Custom Airsoft, and this is a quick video of my airsoft Mk48 magazine customized from a real London Bridge trading (LBT) mag to work with my Mk48 mod 1 built on an A&K M249, with custom bottom feeding."