Yes, you can carry it with the hammer down on a fully loaded cylinder. Smiths have an internal locking mechanism that prevents discharge of round if it is dropped. I have seen a test where a 16 ounce hammer was used to strike the pistol hammer when it was fully forward on a loaded round. It did not fire. It was struck again, this time hard enough to break the spur off of the revolvers hammer. It still did not fire. The pistol was then cocked and the hammer struck again. It simply will not fire without using the trigger to overcome the internal safety. Here's a simple test you can do yourself...... Unload the pistol. Double check and triple check to make sure it is unloaded. Close the cylinder and cock an EMPTY pistol. Drop a pencil into the barrel, eraser end first. Hold the pistol with the barrel straight up and use another pencil to tap the trigger. When the trigger releases the hammer, watch the pencil. It doesn't move because of the internal lock. Now, remove the pencil and cock it again. Reinsert the pencil, hold it in a vertical position and use your finger to depress the trigger. The firing pin will strike the pencil eraser and move the pencil because the internal lock was overcome.
A double action pistol does not load itself. Double action means that the hammer does not have to be cocked separately- pulling the trigger will make the hammer rise and fall- but you still have to chamber a round of ammunition first.
A round is loaded into a gun. The gun is then cocked and then fired.
If you are in a place like Portland or Oregon City that restricts loaded carry by people who do not have concealed handgun licenses, you may not have a loaded firearm in your vehicle. Furthermore, if it is a handgun, it must be carried openly or "not readily accessible."
Pointing the barrel in a safe direction and with your finger away from the trigger or hammer (if so equipped) carefully open the breech or cylinder of the weapon to see if a round is chambered or not.
Typically, the hammer strikes the firing pin which may fire a round, if there is a fresh round in the chamber. In older pistols, the hammer can hit the primer directly (the tip of the hammer has the firing pin on the end).
The 9mm round in loaded with a bullet diameter of .356"in.
Not recommended.
the model 1894 winchesters of that time did not have what you would consider a mechanical safety,( a button or wing type safety) there safety was a half cock,that is once a round was levered into the breech and the hammer was all the way back you had to safely hold on to the hammer with your finger hand squeeze the trigger to ease the hammer forward then thumb the hammer back until it clicked in the half cock position.
What you are describing could be a rifle that is not loaded, partially loaded or fully loaded, but, does not have a round chambered.
Can't be done without knowing who made it.
If it is a modern, quality model, yes. Modern, quality firearms will not fire unless you press the trigger. Some older guns, especially single action revolvers, and some modern badly designed, cheaply made guns will fire if something hits the hammer, but anyone who is remotely educated in firearms safety wouldn't carry something like that to begin with.
Not Applicable for the M203 Grenade LauncherJeff Coopers conditions for an automatic pistol:Condition 0 - A round is in the chamber, hammer cocked, and the safety is off.Condition 1 - furthermore known as "cocked and locked", means a round is in the chamber, the hammer cocked, and the manual thumb safety on the side of the frame is applied.Condition 2 - A round is in the chamber and the hammer is down.Condition 3 - The chamber is empty and hammer down with a charged magazine in the gun.Condition 4 - The chamber is empty, hammer down and no magazine is in the gun.