Bob's Bummer

[John Travis]

Who can see what happened here?

 

[HannibalMontana]

Bolt over base malfunction

 

[GoWolfpack]

Obviously Bob needs to polish the feed ramp more.

 

[Catfish]

Bob has poor taste in magazines? Or maybe his spring is sprung, if yaknowwhatimean?

 

[nbkky71]

I always heard it called a high-angle malfunction but understand that the magazine can’t feed ammo fast enough. Replace the magazine or the magazine spring

 

[Dirtydirtysouf]

Who can see what happened here?

View attachment 673802

I'm going to guess it's the round weirdly stuck in the chamber!!!!

Bad spring in the mag?

 

[Geezer]

Spring issue, either magazine spring or recoil spring.

 

[DrScaryGuy]

some boomer put a crimson trace on a 1911 in .45AARP?

 

[HannibalMontana]

Magazine has to win the race. So could be bad mag/spring or over sprung slide.

I’ve had this happen with a loose extractor though. It would lose control of the empty case and cause it to bump the next round in the mag and slow it enough for the slide to outrun it.

 

[John Travis]

Bolt over base malfunction

DINGDINGDING!


We have a winner!

A classic Bolt Over Base misfeed...or BOB. (See what I did there?)


We actually have more than one winner, as several pointed to the magazine spring as the causation of this particular worm. Too much recoil spring can also do it, though it's most often the mag spring and it most often happens on the last round.

This can also manifest as a live round stovepipe with the round standing straight up, caught between the slide and the barrel. That version is dangerous as it can actually set off a primer.

Kudos! Y'all are gettin' hard to stump.

 

[Button Pusher]

Mr. Travis is a wealth of knowledge.

 

[John Travis]

I’ve had this happen with a loose extractor though. It would lose control of the empty case and cause it to bump the next round in the mag and slow it enough for the slide to outrun it.

Well, that's a whole different can of worms.

For one thing, the case can't bump the next round until the slide uncovers the magazine and lets the next round rise...and one of Browning's little secrets was to let that rising round help knock the empty case out of the port should the extractor not have a firm enough grip on it for the ejector to do all the work.

Of course, that effect is cancelled out by the use of an extended ejector...which explains how a pistol can continue to function with the extractor claw sheared completely off as long as the wall behind the claw is holding a little tension on the case. Well, it will continue to function until the last round when there's no rising cartridge to provide the bump.

 

[John Travis]

some boomer put a crimson trace on a 1911 in .45AARP?

I honestly don't remember. A THR member sent me that photograph years ago when he had the problem. I just saved it for future reference.

 

[dmarbell]

Obviously Bob needs to polish the feed ramp more.

I thought good 1911s didn't need a feed ramp.