A slamfire is a premature, accidental discharge of a firearm, which happens as a round is being loaded into the chamber.

A slamfire can cause unnecessary injuries and easily avoidable with the right education and knowledge.

Preventing Slam Fires in Several Firearm Types, offers essential information and instruction on keeping yourself safe and avoiding slamfire. Detailed in this guide are what a slamfire is and what their causes are.

Commercial primers are more sensitive than military primers. When the bolt slams closed, the free floating firing pin will contact the primer.

If you are a reloader, another problem to watch for is an improperly sized case or one in which the bullet is not seated to the correct depth, making the overall case length too long.

Essentially the biggest factor affecting slam fires is reloaded ammunition.

Slamfire prevention is discussed in relation to the following firearms:

• M1 Garands
• M1A's
• FN-LAR's
• SAT-48's
• M1 Carbines