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Gun-type fission weapon . Date: September 2007: Source: Based on an illustration by FastFission (Image:Gun-type Nuclear weapon.png) and a modified version by Howard Morland (Image:Gun-Type Fission Weapon.png). The bullet and the target were slighty modified (the bullet was a stack of rings). Author
Translations added to this section should be free of copyright claims (either CC0 or public domain). bullet ≅ projectile (Q49393) bullet. case ≅ cartridge case (Q3433892) case. powder ≅ propellant (Q1364934) powder. powder ≅ gunpowder (Q12861) powder. rim ≅ rim (Q128367) rim. primer ≅ primer (Q7243398) primer. primer ≅ percussion ...
The 7.62 mm designation refers to the internal diameter of the barrel at the lands (the raised helical ridges in rifled gun barrels). The actual bullet caliber is often 7.82 mm (0.308 in), although Soviet weapons commonly use a 7.91 mm (0.311 in) bullet, as do older British ( .303 British ) and Japanese ( 7.7×58mm Arisaka ) cartridges.
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A 13-year-old in Chicago takes his father’s pistol out of a lockbox and removes the magazine from the weapon. He shows the gun to a neighbor the same age, and pretends to fire it several times.
A gun is a normally tubular weapon or other device designed to discharge projectiles or other material. [20] The projectile may be solid, liquid, gas, or energy and may be free, as with bullets and artillery shells, or captive as with Taser probes and whaling harpoons.
After 13 years of civil war, Syria's opposition militias sensed an opportunity to loosen President Bashar al-Assad's grip on power when, about six months ago, they communicated to Turkey plans for ...
The bullet must tightly fit the bore to seal the high pressure of the burning gunpowder. This tight fit results in a large frictional force. The friction of the bullet in the bore does have a slight impact on the final velocity, but that is generally not much of a concern. Of greater concern is the heat that is generated due to the friction.