Those devices have existed since gunpowder has existed; at least since the 1100's. They were COMMONLY used during the Napoleonic era, by fighting men known as "Grenadiers."
Acually it was made for wars and it wasn't made on purpose it is important
Cardboard, magnesium, and something else
Depends on which grenade. Assuming you mean the standard fragmentation grenade used by the US military, they are made from sheet steel. Coiled inside of the body is a steel spring, notched in over 900 places. On detonation, the steel spring breaks apart at the notches, and the bits become projectiles. For the WW 2 era fragmentation grenade, the bodies were iron castings.
No.The rifle grenade firing adapter was made for the M-1 Garand rifle only.
The body of a M213 grenade is typically made of steel or a similar durable metal. This construction provides strength and durability, allowing the grenade to withstand the forces of detonation. The design may also include a protective coating to prevent corrosion and ensure reliable performance in various environments.
There is no safe way to make a grenade, even an Airsoft grenade can be dangerous if not made correctly, and making an explosive device is against Federal and Local laws. Better to get one that's already made.
made war easier to fight.
The grenade will be shot
Rocket Propelled Grenade
Depends on the type. On a fragmentation grenade, the bodies will typically be made out of steel, whereas aluminum is more common on non-fragmentation types (incendiary, smoke, etc).
A hand grenade.
That's an unusual grenade you have there. I'll need another grenade, Sarge!