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kd5zex wrote:

G.C.Montgomery wrote: About 1 in every 50 rounds or Remington UMC "Yellow Box" ammo will fail to ignite in my Glocks.

I have been through about six 250 round boxes of the yellow box in .40 and have not had a FTF yet. Come to think of it the only FTF I have ever had was .22LRs, I just chuck them as far away as I can. I guess I am not shooting enough...

I had a revolver that had that issue. You may check the firing pin for wear, or the springs. A gunsmith could tell you with a few quick measurements which is part is off a little.

Skiprr wrote:

KaiserB wrote:Immediate action should be taken in the event of either a hangfire or misfire. Either can be caused by an ammunition defect or by a faulty firing mechanism. Any failure to fire must be considered a hangfire until that possibility is eliminated....

That section comes almost verbatim from chapter 4 of the Army's Field Manual FM 23-31, issued 1994. The only change in text is in line c.(1): Instead of reading "Keep the weapon pointed downrange..." the original reads, "Keep the M203 pointed downrange..." Because FM 23-31 deals with the 40mm grenade launcher.

You are correct... I plagiarized if from a website with excerpts from the Army field manual. My normal everyday writing skills are not that great :)

Target1911 wrote:Hmmmmm.......not saying the above procedures are incorrect....but....I dont know of one Competition Shooter that waits up to 30 seconds to clear a mis/hangfire.

I agree 30 seconds is a little extreme. But I have witnessed people have a misfire, have a puzzled look on their face, and about the time they reach for the slide to rack another round in... "BANG". Then they usually have to go clean their shorts. Hangfires are a rare occurrence but if you have a batch of ammo that does that (usually old ammo) it can be quite alarming.

Target1911 wrote:

The Annoyed Man wrote:......

I put that stuff away. I still have it just because I didn't know what to do with it.

I think you could take it to the Police station and have them dispose of it properly. I would just call first or ask the next LEO you see at the local "Stop 'N Rob"

Most ranges have a place to put the cartridges that do not fire.

In any case you should be careful on a failure to fire as a "hangfire" may be occurring. Keep the weapon pointed downrange.

Immediate action should be taken in the event of either a hangfire or misfire. Either can be caused by an ammunition defect or by a faulty firing mechanism. Any failure to fire must be considered a hangfire until that possibility is eliminated.

• a. Hangfire. A hangfire is a delay in the functioning of the round's propelling charge explosive train at the time of firing. The length of this delay is unpredictable, but in most cases it ranges between a split second and 30 seconds. Such a delay in the functioning of the round (hangfire) could result from the presence of grit, sand, frost, ice, or excess oil or grease.
  
  b. Misfire. A misfire is a complete failure of the weapon to fire. A misfire in itself is not dangerous; however, because it cannot be immediately distinguished from a hangfire, it must be considered to be a hangfire until proven otherwise.
  
  c. Procedures. Because a stoppage may have been caused by a hangfire, the following precautions must be observed until the round has been removed from the weapon and the cause of the failure determined:
  • (1) Keep the weapon pointed downrange or at the target, and keep everyone clear of its muzzle. If the stoppage occurs during training, shout 'Misfire' and clear the area of any soldiers not needed for the operation.
    (2) Wait 30 seconds from the time of the failure before opening the barrel assembly to perform the unloading procedure.
    (3) After removing the round from the receiver, determine whether the round or the firing mechanism is defective. Examine the primer to see if it is dented. If the primer is dented, separate the round from other ammunition until it can be disposed of properly. However, if the primer is not dented, the firing mechanism is at fault. Once the cause of the failure to fire has been corrected, the round may be reloaded and fired.