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GSR plastic vs Steel Mag

This is a discussion on GSR plastic vs Steel Mag within the Ruger Bolt Action forums, part of the Rifle & Shotgun Forum category; Maybe it is me, but I just don't like the plastic mags. Tried them again today at the range, and again, they didn't feed very ...


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Old July 5th, 2013, 04:38 PM   #1
 
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GSR plastic vs Steel Mag

Maybe it is me, but I just don't like the plastic mags. Tried them again today at the range, and again, they didn't feed very well. Not that I am super satisfied with the steel, but the steel 10 did seem to feed better than my plastic 5. What I am very happy about still is how well the gun shoots. It is so much fun.



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Old July 5th, 2013, 05:02 PM   #2
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Did you try the Ruger poly mags, or one of the copies? Of the many of us who shoot the GSR enough to justify owning several mags, most of us only use the Ruger mags due to poor experience with the others.

Speaking for myself, I found the metal mag that comes with the GSR to fit sloppy and to be impossible to feed from the top. I own three GSRs now and have found this to be true of each, so I own and exclusively use the six 10rnd Ruger poly mags that I've purchased. The metal mags stay in the safe at home.
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Old July 5th, 2013, 05:26 PM   #3
 
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Both mags are Ruger. I haven't tried a poly 10, are they different (stronger spring maybe?) than the 5 round poly?
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Old July 5th, 2013, 08:58 PM   #4
 
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All I have is the original steel 10 rounder and three polymer Ruger 10 rounders.

For me, the poly feeds easier than the steel from a full 10 rounds. One of the polys I left loaded full for a couple months with the retainer cap on top and the spring has sacked enough to be a really easy loading mag. I just emptied it this weekend and loaded up my other mags to see if they will do the same.

The biggest thing that improved feeding in my GSR was lubing the bolt and working it hundreds of times over a few days. I had to clean the dirty lube off of it every 100 or so cycles and re-lube. It burnished some of the receiver and some of the bolt and was worth the time to do.

The bolt will now fall closed with the muzzle held down if you give the rifle a slight jolt to get the bolt past the spring loaded ejector. With no rounds in the magazine of course.

Last edited by chicharrones; July 6th, 2013 at 08:20 AM. Reason: grammar, etc.
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Old July 6th, 2013, 11:33 AM   #5
 
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Quote:
Originally Posted by motomickey View Post
Maybe it is me, but I just don't like the plastic mags. Tried them again today at the range, and again, they didn't feed very well. Not that I am super satisfied with the steel, but the steel 10 did seem to feed better than my plastic 5. What I am very happy about still is how well the gun shoots. It is so much fun.
motomickey,

They don't feed very well. How? Are the rounds going under the the bolt and jamming? Do the rounds not go into the bolt face and hang up on the extractor when you try to close the bolt? With a good explanation of what happens maybe one of us can help you out with this.

Best regards,

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Old July 6th, 2013, 01:04 PM   #6
 
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Having just purchased my GSR, and only having the stock 10 round metal mag that came with it, I can not yet compare it to the poly mags, but I do have a couple on order, and I'm hoping they work better than the metal mag.
My main complaints with the stock metal mag is it's a bit of a bugger inserting, and loading it beyond 5 rounds is quite difficult. Feeding left a little bit to be desired, but I wrote that off for the gun being brand new, and not broken in yet.
The 10 round poly mags are half the price of the metal one's, I almost dropped 80 bucks on a spare metal mag at the gun shop, but decided to hold off and order them from ShopRuger.com.....
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Old July 6th, 2013, 07:49 PM   #7
 
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So, let me try to describe what they would do. For the steel one, it would occasionally (one out of 20 rounds or so at the beginning) allow the round to go into the chamber, but it wouldn't go in smoothly, I would open the bolt and the round would fall out with the barrel pointed up. For the poly one, the round would eject fine, but the next round wouldn't cycle through, I would cycle the bolt and then it might go, or about a third of the time, it would not load. The poly one also didn't seat as well in the gun. The steel one (both were new when I started) toward the end of the session worked fine (last two magazines runs). I probably need to just run more rounds through the gn. irt job, but someone has to do it...:-)
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Old July 6th, 2013, 08:57 PM   #8
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As expensive as ammo is and as hard to find, I still assert that the best thing to do to the GSR is to cycle and shoot it. I think you can wear the parts into final fit and finish by cycleing the rife without ammo, but actually shooting the rifle will do the job faster.
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Old July 7th, 2013, 03:36 AM   #9
 
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Quote:
Originally Posted by motomickey View Post
So, let me try to describe what they would do. For the steel one, it would occasionally (one out of 20 rounds or so at the beginning) allow the round to go into the chamber, but it wouldn't go in smoothly, I would open the bolt and the round would fall out with the barrel pointed up. For the poly one, the round would eject fine, but the next round wouldn't cycle through, I would cycle the bolt and then it might go, or about a third of the time, it would not load. The poly one also didn't seat as well in the gun. The steel one (both were new when I started) toward the end of the session worked fine (last two magazines runs). I probably need to just run more rounds through the gn. irt job, but someone has to do it...:-)
Your metal magazine that would not cycle smoothly 1 out of 20 and would let the round fall out.

It seems you are saying it was not under the extractor or being controlled (controlled round feed). If the round is pushed into the chamber the extractor climbing over the cartridge base to get the extractor into the extractor grove on the cartridge will take considerable more effort to close the bolt. When this happens did you close the bolt or are you pulling the bolt back to check the round. If it is the latter then you never got the cartridge to be located into the bolt face and extractor. If you cycle the bolt slowly and hesitate just a bit when the cartridge leaves the magazine's control it may not jump into the bolt face. if it jumps forward of the extractor it is a push feed and this could be your issue. Try running the bolt when closing it as hard as you can it should keep the cartridge under control and it should jump into the bolt face under the extractor.

With the polymer magazines it sounds like the cartridge is not being pushed into position by the magazine spring and the bolt is running over the next cartridge. Is the cartridge moved forward in the magazine or still fully seated to the rear?

I ran into this on the early 10 round polymer magazines but I have been told that was resolved some time ago. I never had any issues with the 5 or 3 round magazine. On the early polymer magazines the feed lip on the magazine was longer than it needed to be it has been moved back about 0.250" and the issue was solved.

I posted the fix on another sight here is the link ScoutRifle.org - Roadie's Polymer Magazine Modification

Hope this helps.

Best regards,

Roadie
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Old July 7th, 2013, 06:21 AM   #10
 
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Quote:
Originally Posted by Roadie View Post

I ran into this on the early 10 round polymer magazines but I have been told that was resolved some time ago. I never had any issues with the 5 or 3 round magazine. On the early polymer magazines the feed lip on the magazine was longer than it needed to be it has been moved back about 0.250" and the issue was solved.

I posted the fix on another sight here is the link ScoutRifle.org - Roadie's Polymer Magazine Modification
Nice work over there, Roadie! The current polymer Ruger mags are different than the ones you had to modify. Here's a pic from one of my 10 round mags that I got in March 2013. They work great, no mods needed on these new ones.


Last edited by chicharrones; July 7th, 2013 at 06:37 AM. Reason: left out words
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Old July 7th, 2013, 09:10 AM   #11
 
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Originally Posted by chicharrones View Post
Nice work over there, Roadie! The current polymer Ruger mags are different than the ones you had to modify. Here's a pic from one of my 10 round mags that I got in March 2013. They work great, no mods needed on these new ones.

Thanks chicharrones,

I sent my modifications to a friend at Ruger and they implemented them by reworking their molds. This was causing the cartridge to rock in the magazine and the bolt would climb over the base of the cartridge and jam. It only happened on some of the original GSR's remember the first GSR's came out way before the polymer magazines. The new magazines run fine in all the GSR's.

Any one that reads the post should take note of the start of the post if you have a feed issue send the rifle back to Ruger their service is first class and they will help you out.

Best regards,

Roadie
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Old July 7th, 2013, 09:14 AM   #12
 
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as a package the GSR is very attractive...with the exception of the box magazines....as a compact utility rifle...it would benefit tremendously...with a blind/internal...five round magazine....as generations of 77s have utilized
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Old July 7th, 2013, 09:38 AM   #13
 
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as a package the GSR is very attractive...with the exception of the box magazines....as a compact utility rifle...it would benefit tremendously...with a blind/internal...five round magazine....as generations of 77s have utilized
Ruger still makes the Compact M77 if short overall length is your goal. It just lacks the open sights and adjustable length of pull.
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Old July 7th, 2013, 06:37 PM   #14
 
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I'm not a big fan of the metal magazines myself. They feed and function fine, but are a little rough on the thumbs when loading. I finally got hold of a couple of the poly 10 rounders and a 3 round mag, but have yet to try them out. I just received my shipment of ammo from CMP so should be good to go if it ever stops raining.

Last edited by vetsvette; July 8th, 2013 at 02:06 PM.
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Old July 12th, 2013, 11:10 AM   #15
 
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Got the two 10 round poly mags I ordered from ShopRuger.com today, way easier to load than the stock steel mag, now like so many others here on the east coast, gotta wait til the monsoon season ends before I can get out to the range and try them out.......
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