Having Trouble... Cooey Model 64

Karai17

Karai17

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I bought a used Cooey Model 64 a few weeks ago and only now got to take it out to the range. I inspected, cleaned, and oiled it when I bought it (it was dusty) to ensure it was in tip-top shape but when I took it to the range today, I had a whole lot of trouble.

First off, popping a 10-round magazine in didn't really work out. The bolt kept getting stuck on the magazine (possibly the bullet) and wouldn't ride forward. After some tinkering, I found that only loading it with 9 rounds seemed to make it work a bit more often, but far from a-ok.

Second, when the magazine wasn't an issue, it seemed like bullets were having a very hard time loading into the barrel. They would continuously get caught and even bitten. Out of the 50-60 rounds I fired today, probably 10 or so gave me hell, though loading them singley seemed to work.

Here are a few pictures of the rifle buggering up. If anyone can tell me what's going on, or what I can do to fix it, I'd really appreciate it. I was so excited to take my new toy out but now I'm just frustrated. :(

http://imgur.com/a/cxZXg#0
 
It is the older style Cooey and possibly one that has been retrofitted with 64B parts. Take it apart, clean the crap out of it and use only the slightest amount of oil. These rifles run better dry for some reason.
Hot soapy water and blown dry.
Can you post a pic of all the parts laid out when you've cleaned them? We might get a better idea what you're dealing with.
I have parts for these if you get stuck.
 
the mags are not machined and sometimes need adjustments. i found that filing a small amount off the top of the notch, will drop the mag to let the bolt slide freely. mind you do it slowly, it does not take much.
 
I just stuck the empty mags into the rifle and cycled the bolt. The bolt moves completely fine, though the mags shift a bit when the bolt moves back and forth. I think the mags are fine, the bullets seem to be getting stuck and not coming out of the mags properly.
 
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I also just picked up a cooey 64b (lakefield). The first type of .22 I tried was the hollow point ammo from Walmart. The rife ran like ####. Tried CCI ammo, ran like a dream. Normal CCI and blazer CCI. The rifle did not like the flat noses on the hollow points.

Here is a photo of the Walmart .22 ammo that my 64B hated...

image.jpg

Cheers,

Lawrence
 
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+1 on the uber-cleaning. This model is known for getting dirty and then malfunctioning. Great little gun but after a few hundred rounds you have to completely strip the receiver and pay extra attention to the chamber area. Dig out the gunk and lead and brass shavings using solvent to soak, and wood or plastic toothpicks to get into the nooks and crannies. Others posters are correct about not over oiling these guns too. The oil just helps the residue gum everything up. Cheers.
 
I've got one (Lakefield 64) that's still packed up in the box from trying to sell it but the shipping was too much for the guy. (I told him about about the issues).

I've completely stripped clean, run dry, wet, dry graphite, tri-flow you name it and it does the same thing.

Mine seems as though the bolt doesn't cycle back far enough and I've contemplated cutting a half coil or so from the main spring. Maybe it's time to dig it out again. I've had the thing for almost 30 years and it's never worked right.
 
I run a bunch of Winchester 333 bulk .22 threw one I restored without problem but I did have to take the bolt out and clean the crap off of it to get it to cycle properly.
 
lsettle said:
I also just picked up a cooey 64b (lakefield). The first type of .22 I tried was the hollow point ammo from Walmart. The rife ran like ####. Tried CCI ammo, ran like a dream. Normal CCI and blazer CCI. The rifle did not like the flat noses on the hollow points.

Here is a photo of the Walmart .22 ammo that my 64B hated...

image.jpg

Cheers,

Lawrence
Click to expand...

My 64b is the opposite, hates CCI blazer, loves the Winchester Dyna-points.
 
The friend I was shooting with was using Winchester Dyna-point, which they had a much rounder nose. I also shot Wild cat .22 without issue.

Lawrence
 
My Cooey 64 was behaving exactly the same. The wings? ribs? on the top of the magazine (that hold/guide the rounds) were badly worn from a few (10) thousand too many rounds. Bought two new Savage 64 (G??) series mags (direct replacement) and a serious dis-assembly and cleaning. Brand new gun!! The wear on the old mag was really noticeable when compared side by side with the new ones. The only issue I have now is wear on the magazine retainer. The worn mag was doing the same thing. Easily solved by inserting loaded mag fully with bolt held in full open position, and then pulling lightly back, to seat mag against release. If not, mag sat a little too high sometimes hitting bolt on first closing. The old girl has a definite preference for better quality ammo now though. Some FTF and many FTE (stove pipe) on cheap bulk stuff. Loves CCI Mini-mags.
 
Thanks for the info everyone, I'll be sure to poke around some more and report back if I find out what's going on.

I bought that same Winchester 555 .22LR so maybe I'll try some other ammo next weekend and see if it is just an ammo issue.
 
I Adore my 64's...

Once I read you'd oiled yours' I knew what direction this thread was going in! These can be finicky rifles, both for cleanliness, and ammo selection.

If after you've cleaned it, and run it dry. Try a few different round nosed ammo (None of mine have liked Winchester ammo, but other CGN'ers have had luck with 'em in 64's). If it's still acting finicky, try a new magazine. My First (and still fav) 64 I bought about 26 years ago has gone through a few magazines. The magazines are made of a soft, cast, potmetal and do wear out.

Also make certain that you've used all the lock washers on reassembly too. The screws that hold the front of the trigger assembly/back of the magazine can pass through the receiver and bind your bolt.

Get used to completely stripping, and cleaning the rifle every 500-1000rds, and it'll run like a top!
 
dakotamar said:
I run a bunch of Winchester 333 bulk .22 threw one I restored without problem but I did have to take the bolt out and clean the crap off of it to get it to cycle properly.
Click to expand...

Karai17 said:
Thanks for the info everyone, I'll be sure to poke around some more and report back if I find out what's going on.

I bought that same Winchester 555 .22LR so maybe I'll try some other ammo next weekend and see if it is just an ammo issue.
Click to expand...

When I was a kid and it was my only plinker I remember federals were the only ones that cycled properly. I was thinking cci minimag might have about the same power.

I'm going to go dig mine out of the safe, do a full strip and see what I can figure out.

Like I said before, I might cut a half coil from the main spring but before I do that I'll see if the mag is causing issues.
 
I bought some mags from cabelas and had to take a round file and file down the front end so the bullets would load properly in my Lakefield 64b. likely the same issue... file it down then put 10 rounds in, you should just be able to see the tip of the bullet... and try it should be fine.
 
If the gun was a conversion from the big bakeolite mag to the potmetal magwell and mag. if the hold down clip is not trimmed, it may be causing the problem or the installer removed the wrong piece and cut off the loading ramp. My 64s love the Winchester 555 ammo. not a hiccup, even with the first issue bakeolite mags. Pics of the open bolt and magwell may show us the problem. But as stated, often a touchup of the mags will solve it.
 
your gun has been up graded to the 64b if that is a steel mag. Your problem is the bullet, only round nose bullets will cycle in mine, it likes dyno points and stingers, haven't tried other brands but yellow jackets will jam 2 out of 10 mainly because of the shape of the bullet. I haven't tried federal but some people swear by them
 
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