What type of guns do the armed forces use to practice?

[Spades of Columbia]

Originally Posted by kennethrodriguez

I've been watching alot of military shows and it looks like they're using airsoft guns, but when they shoot it gives off a crack of light. Is this due to the attatchment on the end of the gun? Is it not an airsoft gun? Could they be just firing blanks? Any help would be appreciated.

Really!?...you think the military would use airsoft guns...even for training? There real guns.