izh 35m slam bams

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gfrad
Posts: 68
Joined: Thu Feb 26, 2009 3:12 am

izh 35m slam bams

Post by gfrad »

my izh35m shoots in bursts with all ammo except for magtech hv with this it shoots great the extracted shells have bulging marks close to rims.i have taking gun to gun smith he filed sear a bit no difference.took it to another gunsmith shortened recoil spring again magtechs no problem other ammo cci and lapua slam bams
FredB
Posts: 537
Joined: Sun Sep 05, 2004 6:43 pm
Location: Northern California, USA

Post by FredB »

gfrad,

I would advise you not to use the Magtech, especially the HV. A couple of years ago I bought some Magtech Standard Velocity and immediately noticed the bulging you mention. Then one of the rounds burst in the gun. I thought (foolishly!) it was not likely to happen again, but it did! Twice within the first 300 rounds, in a gun that had previously shown no problems through thousands of rounds. I believe the Magtech .22 brass is just very weak. Get the IZH problem fixed properly (it's probably headspace).

HTH,
FredB
paulo
Posts: 338
Joined: Tue Apr 21, 2009 10:11 pm

Post by paulo »

http://news.webshots.com/album/65975805Baeysx?start=36
See if this images point you in the right direction, and do a search on this site for double fire with the IZH.
william
Posts: 1468
Joined: Mon Mar 01, 2004 12:31 pm
Location: New Hampshire, USA

Post by william »

Just about all you'll ever need to know is here -
http://izh.petebrunelli.com/index.html

Elsewhere there have been a few articles about
1. filing the sharp angle off the firing pin and
2. slam fires due to soft slides peening and reducing headspace.

Good luck.
diopter
Posts: 145
Joined: Sat Feb 19, 2005 11:41 pm
Location: Montreal

Post by diopter »

I'd add a bit more sear engagement if I were you first and really clean up the chamber /throat area of any lead or lube deposit. Then see if there are peened areas ion the bolt face on rim cutout and extractor slot. Make sure the extractor is free to move our and over the rim.

Try it with cheaper Euro ammo first, Club or practice grade.

Those rubber washer pictures are mine . they need and explanation.

Peening was very bad on mine and I had to remove a fair amount of metal.
The rubber replaces some of the lost metal head space and cushions the slide. The thickness has to be matched to the pistols requirements.
gfrad
Posts: 68
Joined: Thu Feb 26, 2009 3:12 am

izh35m slam bamming solved

Post by gfrad »

Isolved my slam bamming by counter boring barrel with areamer ,the problem was head space
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