Bruin Issue

[Intercooler]

Look for a divot in the feed ramp where the nose of the bullets have been impacting into it.

[sqlbullet]

Here is a hang up due to a weak mag spring:



And this is due to the extractor:



Depending on where the extractor needs fitting, the slide may close more.  In this example the round hung up on the bottom edge of the extractor.  It there is a burr further up, the case may make it further in.

Gonna ask a question.  No offense intended.  Some guys are offended you would think they don't know this, but I am always running into guys that don't know this that I think would.

Have you, by chance, put a round in the chamber and then let the slide slam home on it?  This forces the extractor to "jump" the rim.  On an external extractor gun, this is a non-issue as the extractor has plenty of space to get over the rim.

But a 1911 is a controlled feed gun with an internal extractor.  It can't go over the rim without undue stress and often outright breakage of parts.  Given that this manifested after running smoothly, I am looking for possible break related issues.

If you have loaded rounds to the chamber that were not fed from a magazine, I would take out the extractor and give it a real close inspection for a chipped/bent hook, or outright break.

Dropping the magazine may just set up enough vibration to get all the parts moving the rest of the way.  It may be a red herring and not part of the actual cause.

[Wolfie]

Sq, it's like the second picture but the round is 95% in the barrel.

I also only load all my guns via magazine, rack one in the chamber, put the safety on and top off.

I just don't understand why it completely cycles when the magazine is removed. The slide would not push closed until the magazine was dropped even when I pushed the slide forward.

[Tim_Z]

I'm with Wolfie here. New Sig ammo and only fed by magazine. I am reading this on my phone so will look at the videos later.  Thanks for posting them and offering ideas.

Tim

Sent from my SM-N910T using Tapatalk

[Intercooler]

Aren't these like $2,000 a pop? I think I wouldn't waste a ton of effort on it before sending it in.

[Bruno747]

I have only seen what you are describing stem from one problem, but its usually not an issue on factory ammo. The rounds were not sized properly after the bullet was seated. I had this for a while with my Rock Island until got one of the lee full length sizing dies and was able to run it through after crimping the bullet. This can be identified by a shiny spot on the case near the base of the bullet after the firearm hangs up. This can also be caused by a match chamber that is on the small side.


That said, I agree with intercooler, for what a bruin costs, I'd be sending that bad boy back to dan wesson with pictures of the actual hangups included for reference.

[sqlbullet]

I agree about a call and trip back to DW.

The things that seem to rule out ammo as a culprit are this:  The issue spans several different ammo makers, and the rounds chamber after the mag is dropped.  And they can't be forced while the magazine is in the gun.

If the magazine is interfering with the slide I would expect there to be evidence on the mag.  Shiny spot, torn metal.

[Wolfie]

sq, I only brought one factory magazine with me to the range. I just compared it to the other factory one and they are both in perfect shape. No marks or anything.

The gun had a few issues from rounds 1-150. From 150-550 it ran perfect, I did not even clean it. From rounds 550-650 the ejected rounds began to hit me in the head and I sent it back in.

DW returned the gun and said they tuned the ejector and re cut the barrel.

They got the tuned part right as it ejects perfectly in a nice group, but I think they messed it up when they re cut the barrel. I was going to wait till I went to the range again and used my Tripp magazines as I thought it would be a magazine problem, but that is not the case.

I will be contacting DW to correct the problem.

[45BBH]

It's a little hard to offer a fix over the 'net but I recently had a Ruger 1911 that wouldn't feed the last round in a magazine, it would do the 3 point jam.  I had noticed when disassembling the gun that the extractor was very hard to remove and put in.  With a little pressure I bent it ever so slightly and bit by bit it would work better.  The problem all along was that the extractor was too tight and with a little bending I fixed it and no more problems.  Others have suggested it, but the extractor may be too tight.  Also check that your feed ramp isn't dinged up or anything, I had a Kimber (yeah.. I know) 10mm Eclipse that had a big ole ding on the feed ramp brand new from the factory, although I've had about a half dozen Dan Wessons and their quality is much better than Kimber, but it doesn't hurt to check.

[Wolfie]

Sent back to DW.

[Wolfie]

DW responded via email and they seem to know what is causing the problem.

It appears that the bottom on the slide is creating a drag that stops the next round from feeding. They stated that polishing that area will take care of the issue.

I hope they are correct, because this gun is a monster when running right.

[sqlbullet]

DW responded via email and they seem to know what is causing the problem.

It appears that the bottom on the slide is creating a drag that stops the next round from feeding. They stated that polishing that area will take care of the issue.

I hope they are correct, because this gun is a monster when running right.

That doesn't seem right.

[Wolfie]

OK, got it back and hit the range. Ran 190 rounds and had 2 premature lock backs with 2 of the 10 Buffalo Bore 180 I shot. When I cleaned it, you can see the area that they polished under the slide, its right in the middle area. Overall I am satisfied with my Bruin.

[14 GT-500]

How did you get yours back so darn fast ?? I just got my Kimber a few days ago and they had it for 6+ weeks 

[Wolfie]

Dan Wesson has great customer service.