Brass marks on my slide?

[Bam Bam]

I just bought this pistol and put 50 rds thru it today only to find brass colored marks on my slides just ahead of the cutout. Could this be marks from the brass hitting the slide? If so how would I stop it from doing that again. I was shooting WWB 230 gr target ammo.

 

[La26]

Yep, that's the brass striking the slide as it gets ejected. How far are they falling once they eject? Are they clearing the pistol by at least 3 or 4 feet, or are they striking you in the head or face?

 

[Bigchillin83]

As long as it’s clearing the chamber your considered “good” but you could do a ejector tuning or let it break in a little bit.. you will also notice diff ejection patterns with diff types/quality of ammo

 

[Bam Bam]

Yep, that's the brass striking the slide as it gets ejected. How far are they falling once they eject? Are they clearing the pistol by at least 3 or 4 feet, or are they striking you in the head or face?

They seem to be ejecting upward around 1-2 O'clock and straight outward 90 degrees I think. I captured a picture off my slow mo video I took while shooting it and yes I was shooting left handed (weak hand) to hold cell phone in right to get video. Never noticed an issue as to where shells were ejecting.

 

[Bam Bam]

As long as it’s clearing the chamber your considered “good” but you could do a ejector tuning or let it break in a little bit.. you will also notice diff ejection patterns with diff types/quality of ammo

How does one "tune the ejector" on these? I'm use to my AR dropping shells in my hat when shooting prone and with good loads but lost on 1911's.

 

[gunnut]

If you are running a higher poundage recoil spring and low velocity ammo that will give brass marks on the slide as there is not enough momentum to clear it. Usually a 16 lb recoil spring will due for most 45ACP ammo, +P ammo would be better with an 18.5 lb spring,for lower fps/grain weight ammo you can reduce the spring rate to 14/15lb. Oh, a firm grip with no limp wristing will reduce that effect also. If all that doesn't work then you may need to dress a slight angle to the ejector edge. If the slide is blued you can use a little cold blueing solution to remove the brass kisses, as they are called. LOL

 

[Bam Bam]

Everything's factory with a low round count gun using factory 230 gr ammo.

 

[Bam Bam]

So I did a little research into tuning the ejector over on the 1911 forum. All that info will take me time to understand it all. I will definitely try some different ammo to see if that happens again.

 

[gunnut]

Hey, I just enlarged your pic. Usually the kisses are aft of the ejection port yours are forward. Take the slide off, pull the barrel out and slide a round up under the extractor and let us know how it fits. It should slide underneath it kind of easily and when you turn the slide back over the extractor should just have enough tension to hold the round from dropping out due to gravity.

 

[Bam Bam]

I bought some more ammo that's a different brand, but still 230 gr stuff, to try. I'll be going to an indoor range soon and will use a rest and tightly grip the gun to see how it groups and if sights are still off as bad as I think.

 

[gunnut]

Try to get the brass off of it before you go, it will be much easier to see if there is still an issue

 

[Bam Bam]

Try to get the brass off of it before you go, it will be much easier to see if there is still an issue

I tried, but no luck yet.

 

[Bam Bam]

Hey, I just enlarged your pic. Usually the kisses are aft of the ejection port yours are forward. Take the slide off, pull the barrel out and slide a round up under the extractor and let us know how it fits. It should slide underneath it kind of easily and when you turn the slide back over the extractor should just have enough tension to hold the round from dropping out due to gravity.

I tried that and the round fit snug, but not tight and it stayed put when flipping slide over. I even jiggled the slide right-side up and it stayed in place.

 

[Bam Bam]

Tried cleaning the brass marks off my slide using some bore cleaner on a rag soaked and dampen the area. No luck, regular cleaner/oils didn't work either. Any other ideas?

 

[pandabear]

Electrical tape!

 

[gunnut]

Cold blueing solution.

 

[scooterj]

Gun oil and 0000 steel wool

 

[Bam Bam]

Gun oil and 0000 steel wool

On a parkerized finish??

 

[gunnut]

Try the cold blue it works the best.

 

[323MAR]

On a parkerized finish??

DON'T DO THAT!