A while back, I built a bag based on my Rucki as a starting point, and used it this past Summer during some hiking/camping outings with my brother. Here is the dissection.
The link to the actual Dissection of my Bug Out Bag (as a slide show) is located here:
http://www.flickr.com/photos/76424949@N05/sets/72157629279584113/#
FIRE
-Bic Lighters (2)
-Waterproof Matches (multiple packs)
-Magnesium Striker (3-one small, one medium, one larger Bear Grylls with attached survival whistle)
-Fire Starter Sticks (Coleman-2 packs)
WATER
-CameBack Reservoir
-Water Purification tabs
-Water Purification Straw (2)
-Electrolyte packs (Gatorade)-Hydration is vital, but water isn't enough
-Coffee (Folgers instant-Caffeine could be vital during dismal times)
-Collapsible watertight packs of varying size (can be used to scoop water out of a stream for purification)-would like a larger actual collapsible reservoir-Army grade
LIGHT
-Flashlight (1)
-Light Sticks (4)
-12 hour candles (2)
-Head lamp (6 LED)
HYGIENE
-Pack towels (disposable) (3)
-Bandanas (2)-Multiple uses for cleaning, covering ones head, tourniquets, etc.
-Soap/shampoo mini (1 shampoo, 1 bar LAVA)
NAVIGATION
-Compass
TETHERING
Zip ties (multiple-black)
Duct Tape (small roll, compressed)
Survival Strap (to wear)
DEFENSE
Glock 21C-2 loaded clips ("magazines" per word usage suggestion of those more savy than I)
Swamp Rat Rodent Rucki with Kydex Sheath (azwelke) and sling for carry on back
TOOLS
-Buck Multipurpose Tool
-Folding Shovel
-Axe
-camping utensils (1 pack)
-Spork/knife (2)
DOCUMENTATION/Funds
-Aluminum Wallet with following
-Money/Cards
-Miniaturized (on Photo paper and cut out to card size) Birth Certificate, Soc Sec Card, License-ID,
-1 gig SD card with aforementioned
HOUSING
-8X10 Tarp
-Para-cord
-Tent Stakes
WARMTH
-Space Blankets (2)
-Hand-Warmers (6)
-2 Full Rain Suits (camouflage)
FIRST-AID
-Bandages
-Gauze
-Alcohol Swabs
-Thermometer
-Super Glue (quick closure of small wounds)
-Quick Clot
-Insta-cool pack
-Neosporin spray (would prefer triple antibiotic)
-Tape
-latex gloves
-Aspirin
-Meclezine
-Imodium
-Tylenol
-Ibuprofen
-Diphenhydramine
-Ranitidine
-Naproxen
-Insect Repellent (DEET)
-Listerine (small bottle)
-Sensodyne
-small tooth cleaners
-Carmex
-Ambesol
-2 pairs of contacts
-Visine- contact solution
SIGNALING
-Signaling mirror
STILL LOOKING TO GET-(Will partition between my wife's bag and mine, as well as attach to MOLLE webbing)
BCB British Crusader cooking system
Maps of US, Possibly waterproof
Pack Rifle (small-looking at Rossi Model RH92-57121 | .45 COLT)-would be a great option, although would need extendable stock attachment
MRE's
Toilet paper or wet wipes (the disposable pack towels will work for now)
Miniature Emergency Radio (preferably solar or hand crank)
Rope Saw
Surgical Kit (military grade)