Should you use lubricant in extreme cold? Let's do a test.

Join Patreon and support MAC!   / militaryarms   Unfiltered MAC on Twitter:   / mac_arms   Follow us on Rumble: https://rumble.com/user/MilitaryArms Modern Gun School: http://www.mgs.edu Challenge Targets Discount Code: MAC556 (https://www.challengetargets.com/SFNT...) We take three AR15 A2's out and conduct a cold weather lubrication test.