Another stock II feed issue

[01Deuce]

Stock II  10mm 2017 production around 400 rounds fired. 

Breech face has been chamfered and polished. Feed ramp has also been polished. 

 

Randomly throughout a mag a round will eject and the next round will not feed. A slight pull and release on on slide and it will chamber. This mainly happens with gold dots ,but has occurred with fmj's  also. All factory ammo and it happens with multiple mags. Sometimes the round is not straight but slightly canted towards the ejection port (possibly caused by the slide stop ?) 

All mag springs are stock (possible weak springs?) 

it has a conefit guide rod, 20lb Wolff recoil spring, 18lb hammer spring and a EGW FBFPS. I have also trimmed the ejector. 

 

I have searched other threads to try to eliminate the most common issues. 

 

 

Edited December 2, 2017 by 01Deuce

[johnbu]

I suspect the mag lips are too narrow.  maybe 0.005" wider would help get the nose up.

 

You could also try wolff +10% mag springs to try and get the rounds to present higher. 

 

Q: 18# hammer spring.... why?  are you using it to limit slide rearward speed?

[01Deuce]

Yes that is exactly why. 

 

  And thank you. I have been thinking of getting  the + 10% springs and now I definitely will. 

  Any recommended technique to properly spread the mag lips?

[johnbu]

 

18 minutes ago, 01Deuce said:

Yes that is exactly why. 

 

  And thank you. I have been thinking of getting  the + 10% springs and now I definitely will. 

  Any recommended technique to properly spread the mag lips?

 

I use brute force and ignorance....

 

 

Well, and needle nose pliers. Both normal and "reverse" that  spread as you squeeze.  measure, bend, test, repeat . I don't do it much, so no tricks up my sleeve,  sorry!

[yigal]

8 hours ago, johnbu said:

 

 

I use brute force and ignorance....

 

 

Well, and needle nose pliers. Both normal and "reverse" that  spread as you squeeze.  measure, bend, test, repeat . I don't do it much, so no tricks up my sleeve,  sorry!

u may be accused  of raping  a mag.

[ngodwetrust21]

13 hours ago, 01Deuce said:

Any recommended technique to properly spread the mag lips?

 

Lube?

[Sc0]

When looking up modifying magazines i came across a picture of using a drill bit's round shape to spread the lips apart and a drill press to apply the force. They had a vice holding the mag tube as well, guess this process is repeatable with very small increments.