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Worn Gun Parts & Unintentional Discharges

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Ft Collins, CO –-(Ammoland.com)- Students and trainers around the world will now and then report a rare slam-fire-engendered unintentional discharges (UD) when chambering a round on pistols, even pistols from reputable manufacturers, manufacturers that I recommend!

Some of this is “urban legend,” of course, but not all.

Fire-control parts can become so worn-out, from lots of shooting, combined with user-level neglect, that slam-fires have been licitly recorded.

Flat spots and burrs on badly-worn parts can allow firing pins to become “stuck” in a forward position. Thus, the nose of the firing pin can protrude from the bolt-face, and this can result in a slam-fire as the slide is vigorously cycled when chambering a round, absent any pressure on the trigger.

Periodic detail-strip and inspection by a qualified armorer, particularly with pistols that are shot a lot, will almost always preclude the foregoing. When excessive wear is detected, armorers will routinely replace the firing pin, firing-pin safety, trigger bar, and install a full set of new springs, particularly the recoil spring/spring assembly.

It’s the cheapest insurance you’ll ever buy!

Slam-fires do not happen very often, and even when they do, the pistol in question is usually pointed in a relatively safe direction (as it should be), so only minor property damage results. In fact, most such recorded incidences of slam-fires happen on gun-ranges as the pistol is pointed downrange, so there is no property damage at all.

Because there is usually little or no damage, this species of UD mostly goes un-noted and unrecorded, only rarely reflecting on any statistic.

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Yet, for serious guns, owned and carried by Operators for serious purposes, this kind of extreme neglect is, of course, unacceptable.

As with your car, ignoring worn brakes until it gets so bad that pressing the brake pedal to the floor does nothing, and your car subsequently hurdles through a red light, is all avoidable, with even “reasonable” maintenance, much less “good” maintenance.

Just as your teeth need to see a dentist now and then, your pistol needs the attention of an armorer on some kind of regular basis.

Not all “bad outcomes” are avoidable, but most are when you do your part!

“Another flaw in the human character is that everybody wants to build, and nobody wants to do the maintenance.” ~ Kurt Vonnegut


About John Farnam & Defense Training International, Inc
As a defensive weapons and tactics instructor John Farnam will urge you, based on your own beliefs, to make up your mind in advance as to what you would do when faced with an imminent lethal threat. You should, of course, also decide what preparations you should make in advance if any. Defense Training International wants to make sure that their students fully understand the physical, legal, psychological, and societal consequences of their actions or in-actions.

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