Girsan MC 312 FTE anyone else run into this.

hillbillywilly85

hillbillywilly85

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So my buddy picked up a Girsan model 312 12 gauge today at cabellas. We then took it out to pick off a few clays, and it didn’t go so well. He had continous FTE the spent hulls and the action would then cycle and strip off a fresh shell and obviously jam up. The worst part is the hulls would easily come out with your finger nail. So like I said it’s a MC 312 that’s the M2 clone that operates on inertia and for shells he grabbed some challenger 2 3/4 1OZ with 7.5 shot. I did find a YouTube review video complaining of a similar cycle issue. I read that some say to use a high brass full load for a break in period of around 50 rounds before you go with light target loads.

Wondering if any others have ran into this issue?
 
A lot of inertia shot guns need breaking in before the light target loads. Buy the cheapest box of 3" hunting shells you can find, and run the whole box through, should make a difference. Don't waste buckshot or slugs, 3" huntings shells.
 
from my experience with the turkish m4.

out of the box I ran 1600fps slugs, 80 of them, target load would still jam. target load wouldn't work until I went through all the parts with debur and polishing. especially the trigger group and bolt.

first off you need to clean the internals of the packing grease, preferably fully strip it down and check for friction spots and detail all the parts. if you have time just rack the action for an hour as workout. the new springs will also be stiff.

they will work just fine. just that you need to do the final assembly yourself.
 
Mine needed some break in. I have a couple hundred rounds of target loads through it now. I had a couple FTE in the first 2 boxes, and then one more with the next few boxes, all #7.5 1/18 OZ. The last two boxes I had one FTE with light load #8. Other than those few issues that seem to be improving, it shoots quite well.
 
Inertia shottys are different, concept of no gas system/pistons etc to run cleaner has some merit if you are running it non-stop steady, reliability shifts to 2 springs being in tune/spec.
Bolt spring and recoil spring gotta be right to run target loads to magnum loads, sounds simple but there is a window, also this design comes with more recoil.
I still have an old Derya with the old school gas system, like they took a Rem 870 and made it a semi, most the older semi shottys had that same system, it works very well, never had a problem with this gun.
You will always be able to make it work, just may need some tweeks. I shot 1 inertia shotgun for a skeet day at a buddies, that was enough for me to never want one lol.
 
I have one on the way - first thing I will do is break it down and give it a really good cleaning - the 2nd thing I will be doing is running 50 rounds of slugs down the barrel to break it all in.
 
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