This is 90 rounds "dump" heat torture test to measure heat circulation handling on Zenit Rails System (B10M and B19C). Did INFORCE flashlight survived 90 rds of AKM punishment? Did Bushnell TRS25 overheated and died? Watch this video now for answers! Ammo used: Red Army Standard 7.62x39mm Copper Jacketed AKM clone build by Beeville Armory: www.beevillearmory.com/ Our Facebook Page: www.facebook.com/AkOperatorsUnion Our Store: shop.akoperatorsunionlocal4774.com/Tshirts-Patches-Stickers_c4.htm Zenit store: www.zenitco.ru/ Music credits: Cupid's Revenge Kevin MacLeod (incompetech.com)