Quote: "Veriez from 12 - 16 but its werid 2 have 16 shots to me... "
Varying from 12-16 would certainly be a bug. There was an old bug in Project Blue that would consume two rounds on the first shot if the weapon was assigned to the start marker. That was fixed before but maybe something similar again. Try placing the weapon as a normal weapon entity to see if there is any change in behavior.
Quote: "So the Bullet Is There 100% Of Time? After Every Single Reload Thiz happens in real life? Am askin cuzz i neva knew thiz."
No. Only when
chambered. See, whenever you have a "repeating" firearm with a closed action/bolt operating system such as an auto-loading pistol (or rifle, pump shotgun, etc), the rounds/cartridges (unfired bullet projectile + powder + casing/shell/brass) are loaded into the magazine. In this case the magazine can hold 15 cartridges total.
So, you take this full magazine and insert it into an
empty pistol. Now, if you try to pull the trigger, guess what happens?
Nothing!
This is because the pistol has not been chambered or cocked (I won't get into cocking here for the sake of brevity). When the slide is cycled once (or simply closed if held open by mechanical means after firing the last shot on a previous loading) a single round is stripped from the top of the magazine and guided into the rear opening of the pistol's barrel which is called the firing chamber. Now if you pull the trigger, the hammer will fall and strike the firing pin which will thrust foreward and ignite the cartridge which propels the bullet out of the barrel.
However, assuming you did not pull the trigger buy you did cycle the action, you are left with 14 rounds in the magazine and one in the chamber which means that if you top-up your magazine back to the full capacity you will then have 15 rounds in the magazine and one in the chamber for a total of 16 rounds in your pistol.
Because of this, people must realize that when it comes to auto-loading firearms, removing the magazine does not make it safe. The chamber must also be checked to ensure there is not still one round in the gun.
Almost any magazine, clip or tube fed firearm has the +1 ability in real life but for some it requires a more complex physical process which would amount to an additional animation. The exception would be something like a Mac10 or other old SMG and most light machine-guns which fire from an open bolt for air-flow/cooling reasons.
Understand now? (sorry s4!)