Better late than never, Automag II, Long post

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   Well better late than never to the party, Been almost a month since I picked up this gorgeous Automag II.
Being in Canada they are even more of a rare bird to find. And what a fun an frustrating trip its been.
Was Given a single box of Winchester super X JHP with the gun, When I went to fire it everything worked perfectly, Good ooomph and nice fireball, with super mild recoil!

Thinking heck ya it works with the cheapest ammo available I went a bought a few more boxes, This time Win Super X FMJ, same advertised muzzle velocity.

This is where the issue started. It wouldn't feed a single round, And if I got one to chamber it wouldn't fully eject it after firing. Went back and tried the JHP ammo and boom still worked awesome. Found out after older Winchester 22wmr had quite a lot more oomph than new production ammo, Was sad to find that out.

So my internet Journey began, Started creeping posts on many websites, Including this one for the last 3 weeks, Lots of great info was found, Unfortunately a lot of it is dated back quite a few years, hence my better Late than never.

I see Larry Grossman and member sirsaka haven't been online since 2018, Which is too bad, They seemed to be a good wealth of information!

I noticed the reason the JHP ammo would chamber was because instead of the nose of the bullet driving into the little space between the feed ramp and the chamber it would instead shave off a good chunk of the lead tip and scrape some of the copper jacket.

In order to remedy this I did a polish job between the feed ramp and the chamber being VERY careful to not remove much if any material that could cause an unsupported chamber. That worked and feeding was now a non issue with the cheap Win super X FMJ ammo.

Now was onto the ejection.
I cleaned the barrel and gun to the best of my abilities, Used and ultrasonic cleaner quite a few times on the barrel to help clean out the chamber holes and gas ports. With inspection with a borescope I noticed the holes closest to the breech were semi plugged with copper jacket, Tried to dissolve them with copper killer but that didn't seem to work, Did what I could do with a dentist pick but still not happy with it. The rest of the system was as clean as a whistle, not a spec of carbon anywhere.

Next polished the frame rails and any other metal contact party, Ordered Stainless steel gun lube as well. 
Still the pistol would feed fine but not eject.

Seem a member here had posted about the same problem and then shortening his recoil spring by 3 coils and being able fire any brand he tried.

I did this as well and still no go on the FMJ ammo.

So off I went to pick up more ammo to try, Picked up 6 more types but its been to cold to test.

Also the gun came with 4 new later production mags that didn't work at all while trying to feed the gun. Spring tension was insanely heavy, I also had to trim them, as well as a bit of work to the bottom of the mag to ensure consistent seating. They seem to work good now. 

Anyways thought I'd share this new gun I absolutely love! even though its a pain in my arse!
Here's some photos of the gun, The issues and the work.