USA might have the 3rd highest number of fatal shootings, but i could bet, that of those shootings, the majority didn't happen where guns are allowed!

California has the highest number of firearms murders.

Figures from the FBI.
First number is total murders, second number is total firearms murders, sorry about the format. (2009)

Alabama 318 229
Alaska 22 13
Arizona 328 197
Arkansas 171 107
California 1972 1360
Colorado 167 94
Connecticut 107 70
Delaware 41 31
D/OColumbia 144 113
Georgia 543 378
Hawaii 21 8
Idaho 22 5
Illinois3 479 386
Indiana 293 209
Iowa 34 11
Kansas 118 85
Kentucky 170 112
Louisiana 486 402
Maine 26 11
Maryland 438 305
Massachus's 169 93
Michigan 625 437
Minnesota 72 38
Mississippi 151 105
Missouri 381 276
Montana 28 19
Nebraska 40 23
Nevada 156 91
New Hamps 10 4
New Jersey 319 220
New Mexico 144 78
New York 779 481
North Carolin' 480 335
North Dakota 9 3
Ohio 502 311
Oklahoma 225 125
Oregon 83 41
Pennsylvania 658 468
Rhode Island 31 18
South Carolina 286 197
South Dakota 11 4
Tennessee 461 295
Texas 1325 862
Utah 37 25
Vermont 7 0
Virginia 347 229
Washington 169 101
West Virginia 76 38
Wisconsin 144 95
Wyoming 11 8

There are no figures for Florida. I don't know the individual state laws so I can't comment on which ones have strict laws and what that tranlates to.