Mag Mod Monday's The 308 MagMod is the perfect device for all you Vape x Gun enthusiasts. Great design and powerful performance! DUAL 18650'S IN BOTTOM ACCESSED TRAY EXTREMELY TOUGH POLYMER SHELL BUILT-IN VOLTMETER ON SEPARATE SWITCH,INDEPENDENT OF FIRE CIRCUIT HIGH AMP INDUSTRIAL FIRE SWITCH WITH SATISFYING 6 LB PULL WILL NOT FIRE IN POCKET < li>14 AWG HIGH STRAND,HIGH TEMP SILICONE INSULATED WIRE STRAIGHT THRU CIRCUIT,LOW SYSTEM PORT UNDER BOTTOM COVER EMERGENCY USB PHONE CHARGE PORT UNDER BOTTOM COVER ZERO CORROSION BRASS BATTERY CONTACTS SPRING TENSIONED BRASS 510 CONNECTOR #the308