32 or 48 round cans
In 1983 the USAF had the first MK19 Mod 3
Each ammo item is assinged a compatibility group.It is important not to mix different ammo groups.
The basic combat load for the M240B machine gun is typically 2,000 rounds of 7.62mm ammunition. This load is usually organized into linked belts of ammunition to facilitate quick loading and sustained fire. Soldiers often carry this ammunition in various configurations, such as in ammo cans or on ammunition belts, depending on the operational needs and mission requirements.
Dirt, a bad load, an incorrect load, moisture, old ammo. Any number of things.
No
If your Iver Johnson is marked for the .22 WMR.then yes,if it is not then do not attempt to load or shoot .22magnum ammo in your rifle.
No. You should never try to load or fire any ammo into a gun other than what it is designed to fire. A .44 caliber gun is designed to fire .44 caliber ammo.
2212 meters
No. 9mm Parabellum ammo is about .35 caliber, and the .45 is, well, .45 caliber. The .45 cartridge is too wide to fit in the chamber.
Nope. It is too small, will fall out of the barrel.
.50 - 5 USD depending on the load
The basic 30-30 cartridge- my personal choice is the 30-30 Leverlution ammo by Hornady.