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The Boltshot Reload Glitch is a glitch that is able to be performed in Halo 4 in War Games. It results in the rapid reloading of the Boltshot.[1]
Method
In order to perform this glitch, the player must simply press the reload button immediately after they have fired the weapon. This causes the weapon to reload immediately without going through the animation or cool-down period. This does impart an unfair advantage to the performer of this glitch, especially if they have the ammo Support upgrade. Fortunately, this glitch is only effective at close range, and can be delt with by eliminating the performer with ranged weapons.
Sources