What model are you having trouble with?
If it fires loaded I would say its some safety feature I'm not aware of. If it wont fire at all, hopefully this info will help you.
YouTube - Mossberg 500 Disassembly
O.F. Mossberg & Sons, Inc. - Firearms, Shotguns, Rifles, Accessories, and Precision Machining
Stainless would be better for the range and resale when you no longer carry it. A compact 1911 would give you the best of both worlds, and you may just carry it concealed for more than a month.
Breath control seems to be more of a factor when lying prone. When most of your body is in contact with the ground any inhale or exhale can raise or lower your point of aim. Many shooters today use a slow steady exhale instead of the hold. When done corectly it dosen't really alter point of aim...
I have never heard of the striker or usas before. I think for various reasons new laws usually don't get put in the books. Then those responsible for creating laws pressure the batfe to do something. They have to work with what they have. Realy nice test/lesson for all of us, please keep them...
B=AOW
Destructive devices deal with bore size. The ammo has been deemed sporting. The revolver is much less destructive than the pump actions and semiautos the ATFE have already labeled as AOWs.
Useing the terms provided B is an AOW if it has a smoth bore barrel 12-18 inches long. If the atfe...
Rifles must fire a cartridge with a bullet of .357-inch diameter or larger; have a minimum case length of 1.16 inches; and have a maximum case length of 1.625 inches.
This site has some listed.
LEGAL RIFLES FOR DEER HUNTING 2007
I have one for training uses so if it jams I get clearance training. The feed ramp is torn up fairly bad. I think if it was polished I wouldn't have many problems with it. As a carry gun hi-points suck. They are heavy, bulky, low capacity, and have mixed reviews about quality. For the same price...