3 days and 3 nights surviving out of your Bug Out bag is no mean feat. You will need more equipment and supplies and a bigger bag to carry them in. At the same time you should not overload yourself especially if you are on the move.
Below are a few options to fill you 72 hour Bug Out bag with extra things to consider apart from more food is maybe wood processing tools for fire and shelter building . If you can’t find what you are looking for below just check out the rest of the website for more options.
Suggested contents Poncho, Paracord, Bungees, Survival bag, Foil Blanket, Food Rations, Mess tin set, Water bottle and mug, Fold out cooker with fuel, Spoon/Spork, Waterproof matches, Water purification tablets, First Aid Pack, Folding Knife, head Light, NGT Profiler 21 LED Light, solar charger & battery store, Folding saw