Lefty

I am enjoying my LH GSR but I have noticed hat the rear site is moved all the way to the right. I know that Ruger is notorious for over or under turning revolver barrels. Does Ruger have the same problems with rifle barrels? It's zeroed pretty well but I could stand to moved POA a little more to the right and the rear sight is out of travel.

Has anyone else noticed this problem with their GSR?

Tater

Call Ruger CS.

Benemorte

Our GSR shot dead on out of the box. Instead of a over/underturned barrel, I would bet that your front sight assembly is shifted to one side or another.

You could fairly easily determine if your barrel was properly installed by looking at the guns index points.

Sorry for the quality of the following pics, its really cloudy out today. I took the scope off and snapped a few shots for you though, I think they will help.

First off, how is the alignment of your picatinny rail to the receiver?


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Here is a shot of the front sight and flash suppressor on the GSR. In order, you have the suppressor, the index/crush, the front sight assembly, then the barrel.
Note that the front sight assembly is slipped over the end of the barrel first during production, then roll-pinned against a flat on the barrel to keep it from shifting side to side. Since the roll pin is obviously pushed into place from one side to the other, it can easily cause the assembly to turn past directly vertical when installed despite the flat, and should have been adjusted before leaving the factory.


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The rear sight assembly on the GSR. For those of you not familiar, it is a removable unit, that clamps onto the receiver via a Ruger standard dovetail. The GSR uses this location for the rear sight, and has to be removed if you choose to place a Ruger scope ring there instead of using the picatinny. There is a company called XS Sight Systems that sells an aftermarket unit that replaces the picatinny, and the rear sight assembly, giving you a full rail and rear iron in one package.


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The sight picture on the GSR. The smaller circle indicates where to look and see if the entire front sight assembly is shifted to the left or right. Check the clearances from the sides of the front post ears in relation to the picatinny rail.
From this view on your rifle, you should be able to get at least some idea if everything is lined up, rear sight-receiver-picatinny rail-front sight assembly.

Because you can see it in this picture, it is important to note here that since the front sight assembly is a cast piece and was not milled, there is a small chance that the front sight post may have "sagged" to one side or the other before it cooled down. In this view, you should be able to tell if the front sight post is leaning towards one ear or the other. If it is leaning, it needs to be replaced. The metal here is fairly strong, especially compared to nearly any other front sight design, but I doubt that the post itself could be somehow "straightened" within the ears without it breaking off.




Shifting of the front sight assembly will not only cause the point of aim to go horizontally, but also vertically as well because it is rotating and not just shifting directly from side to side.

If this is the issue, you may be able to vise the barrel (properly padded of course) and attempt to rotate the assembly in the correct direction with a punch. This would be a procedure to correct an issue where the entire assembly is misaligned, and could to some degree help if the front post itself is sagging to one side as well.
This procedure would probably be easier after removing the suppressor and index/crush, as they would no longer be applying pressure on the sight assembly to barrel.

If you determine the front sight is the issue, and are not willing to attempt correcting it yourself, I would certainly call Ruger CS and request a shipping label.

Hope this helped.

cowboy85306

EXCELLENT post, Benemorte; your pics are fine to illustrate that of which you speak. Am considering one of these rifles myself.

Lefty

Thanks for the informative post, it surely helped. I have looked quite hard and can't find any major misalignment so far. I'm seeing alittle double at the moment from looking so intently. I try taking the rear sight off once my vision goes back to normal.

Seneca

Mine was good to go with the factory iron sights, I still went ahead and mounted an XS sight rail with the integral peep sight. I wanted more room on the rail and the XS was just the ticket.

I seriously doubt the XS rail would solve the problem with your iron sights being out of adjustment range, though I imagine that Ruger would see to it that it was repaired at no cost to you...can't see why the wouldn't. I'd suggest you call their Customer Service and see what they have to say.

Nick308

That's an amazing answer to a forum question! I learned lots from it. Guys like this make the Ruger forum a great one! Nick (Ruger GS Scout owner)

Benemorte

The GSR is without a doubt, the BEST firearms purchase I have made in a very long time. The whole family absolutely LOVES this gun. While some people may look at it and say "whats it for", I look at it and say "what is it NOT for!"
I was also surprised to find that it is a tackdriver, (we are talking 1/4" 100yd groups here!), and has an excellent trigger right OOTB.

We are looking into getting it sent out to be coated now. I am leaning towards Teflon. I wish Ruger would have made it available in stainless for the U.S. market.

Seneca

Benemorte

As I understand it Ruger currently produces (or has produced) a stainless version of the RGS, with a slightly longer barrel sans the flash hider. I believe it's being sold on the international market. Without really digging into it...I can't say for sure, other than I've seen them for sale on gun broker...

I'm just not seeing a stainless RGS for sale in the shorter barrel length with a bird cage...If Ruger runs true to form they will produce the shorter barrel/flash hider version of the RGS for US markets. It's just a matter of when...

I'd like to have one in stainless too...

Benemorte

From what I know, Ruger has developed 3 versions of the GSR so far. There are supposedly TWO versions of the stainless gun, the first is the model that was shipped internationally, such as the ones getting popular in Australia. There is apparently another version, which was shipped in limited numbers as a special "promo" to either Gander Mountain or Cabela's in U.S. stores, I cant remember which. These rifles were apparently VERY limited in number from what I understand. There is also some debate as to whether or not the Canadian version of the stainless GSR was exactly the same as the international model, or is the same as the ones shipped in limited numbers to the U.S.

As you mentioned, it is important to note that the stainless international model also has a 18.75" barrel, and is sans flash suppressor, where the U.S. model is only
comes in a 16.5" barrel.

I would personally have preferred the stainless version, with the slightly longer barrel, and WITH the flash suppressor, but finding any GSR was hard for a long time, let alone the price and availability of the stainless versions.

Lefty

I want to know what load or ammo you are using to get 1/4" MOA out of your GSR!

Benemorte

Federal Gold Medal Premium Match, and trust me when I say I was very surprised! However!, I am getting groups of around 1.6" with my standard ball loads as well, way more than happy with that number too!

Most people are reporting very good accuracy out of their GSR, and it really does not surprise me at all. I am a firm believer in short, fat, stepped barrels for accuracy.

Lefty

I'm getting 1 1/4" 1 1/2" at 100 yds with my irons. They are just shifted a pinch to the left and thats what I'm a little aggevated about.

Benemorte

Those groups are certainly nothing to complain about, especially with irons! Nice shooting!

Did you check the front sight as above to see if it was shifted?

Lefty

Everything looks straight, thats the problem. I guess next thing is to take off the rear sight and start measuring stuff and see is something isn't casted/machined correctly or off center.