Picked up a GSG-5 the H&K clone in .22


July 31, 2011, 10:33 PM
I have been wanting to pick up an AR upper in .22 for some general plinking ever since I got rid of the Walther P22. A .22 is great for introducing a non-gun person to the sport of shooting IMO and Geez I have several boxes of federal 550 rounds SO...... anyway...... I did not want to spend over $500 for an AR upper chambered in .22 and really when I thought about it I always managed to talk myself out of the new upper; I have 2 CMMG .22 conversion kits that work fine......just thought I could get better accuracy from a dedicated upper.

Well today was range day for me and I really wanted to sight in an AK that I had done some front sight work on. Ta Da the AK worked great and I was very pleased with the results and MOA I can now get with the rifle.

Long story short I picked up a GSG-5 with case and two mags and optics claw mount for under $400 which was not a great deal ( can find them new for about $370 but by the time they are shipped, transferred, and in your hands you are pretty close to (or over) the $400 mark. The owner paid $600 new for the gun but their prices have come down since he purchased.

The GSG-5 is a semi-automatic rimfire rifle chambered for the .22 LR cartridge and is produced by German Sport Guns. In many ways, the GSG-5 is an exact replica of the Heckler & Koch MP 5 submachine gun.

Ergonomics and handling are identical to that of the MP 5 with an overall length of 33.5” and a weight of 6.6 pounds which makes it an ideal training tool for law enforcement, military personnel and civilians. 22 long rifles offer an immense savings over 9mm/40/45 caliber ammunition allowing extensive range time with the GSG-5 at a minimal cost to the user.

Barrel length on the GSG-5 rifle is 16.25 inches including the faux suppressor which surpasses federal requirements, making it legal to own by anyone. The GSG-5 utilizes either a 22 or 10 rd detachable box magazine that releases with an H&K style paddle magazine release. The charging handle on the GSG-5 is located on the left side of the receiver and is non-reciprocating just like the H&K MP5 series

Before I took the rifle out and put 200 rounds through it I gave it a few shots of Breakfree CLP knowing the rifle had not been cleaned and only had ( according to the original owner) 350 rounds through it. The rifle appeared to never have been lubed and seemed dry in the inner workings. The original owner did say he had never lubed the rifle and it would not shoot Federal bulk ammo with out FTF or just would not go past a few rounds before messing up; he did say CCI mini mags worked well though!!!!!! As he had three of the GSG-5s (he was doing mods on one) he figured he would sell one. 200 rounds with 2 malfunctions of which one was definitely a dry mag problem (fixed) I thought with "Federal bulk ammo" was pretty good so I purchased the weapon.. Amazing what a little lube will do for a weapon!!

The rear sight is kinda weird at first glance and the front post can not be adjusted for height. I was told they sell different height post if you want or need to change out the post, but after a few rounds, I found using the rear sight with a pin hole setting I was getting good accurate results with the weapon. I did not have one of my scoped rifles with me and man it was hot today in south Texas so I just set a target at 27 yards to see how close the sights were on or off. Shots were dead center but approximately 3 inches high at that range with the blade function of the rear sight.

I think you are supposed to zero a .22 in at 59 yards http://rimfirecentral.com/forums/showthread.php?t=56146&highlight=trajectory but I could barely see the hits at 27 yards so that was good enough for today until I can take a scope with me.

There are some steel plates hung on a chain at 100 yards and after checking the sights etc etc I opened up on on of the 12 inch plates and was letting a round go down range ( trying to get the gun to FTF or FTE or blow up?) at a rate of one or two per second and out of 20 rounds at rapid fire only missed the plate 3 times....yea I know not that great but considering, all my considerations, I was pleased with the rifle. Next mag were all hits but with a slower purposeful intent on my part.

The rifle is a pain in the behind to tear down and clean. You remove screws!!!!!!! Supposedly they sell take down pins to replace the screws which is right up there at the top of my want list! Had a extra sling which I installed when I got home (after cleaning) and the rifle hangs well and is light enough that varmints slightly less in stature than a zombie needs to beware; OK OK rabbits and squirrels an maybe a lizard thrown in for supper!:neener:

So with the GSG-5 and only 200 rounds through it I give it a thumbs up on everything except what you have to do to tear down and clean the thing. After installation of the take down pins there are a few other screws I will remove and use some medium loctite to insure they do not back out with prolonged firing. Might even get a cheap red dot for it if I can find one that will co-witness with the irons.

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July 31, 2011, 11:10 PM
Bought a GSG-5 two years ago for a lot more than they sell for now. Guess I jumped too soon once the lawsuit was introduced... It's had maybe 100 rounds through it, and only maybe 32 or so by me... I think I have friends that have put more through it than I have...

It's a fun little gun, but just doesn't see much range time with me...

August 1, 2011, 12:34 PM
Well after a 1/2 day of fact gathering I have determined that there are a few thing that need to be replaced and checked on the GSG-5 I purchased. Several screws seem to come lose that need to be replaced before they mess up the bolt or gun. The 110 drum mag seems to work pretty well for most people and can be had for $89 bucks at some outlets. I guess I will order a screw set and some Push pins. Does anyone know of a red dot that will co-witness with the irons with the low claw mount installed. Cheap is less than $100 for a 3 or 2 moa dot?

BP Hunter
August 1, 2011, 12:48 PM
Yes, the GSG is a FUN gun. My 10 year old girl and my buddy's 7 year old have a blast shooting it. I LUV it myself! I thought the rear sight was...useless. So I bought a cheapy walmart red dot scope for about $29 for it. It works perfectly well. I agree with you that it is a pin to clean. I had youtube running on the computer next to me while I disassembled the rifle. I don't plan to get rid of it.

August 1, 2011, 02:19 PM
very nice, and congrats. Where are the pictures! :)

August 1, 2011, 02:58 PM
I put a link above with pictures of the rifle!!! If I were good with a computer and was not a two finger typer I would post some!! Just got finished tearing it down again after an extensive youtube review! Absolutely need the screw set and push pins!

August 1, 2011, 04:43 PM
but that is not your rifle ! :) I hear you, I am pretty computer slow, so I understand what you mean. No worries, just giving you a hard time.

Blue Armadillo
August 1, 2011, 09:45 PM
I first bought a GSG5. My second lesson with it was that you can't leave the mags loaded for any length of time. My first was learning that Federal bulk pack is really the only thing it digests without ...indigestion.
Although I'm a real fan of the aperture/circle HK style iron sights, they weren't really what I was after in a .22, at the time.
I eventually gave in and bought a Spikes .22 upper, and am much happier with it. I had a Millett DMS that had not found a true home on anything else, which solved my .22 optics problem.
The GSG5 nowadays is for those rare times when I need to furnish a rifle to a newbie. And, and... to satisfy my MP5 lust, which happens a lot more often.

August 1, 2011, 10:26 PM
I've had the pistol model for about two years. Kinda stopped using it, too much trouble to clean and jams so much it's kinda embarrasing. Everbody comes over and starts recommending there favorite ammo to try in it.

August 2, 2011, 08:45 AM
I've had the pistol model for about two years. Kinda stopped using it, too much trouble to clean and jams so much it's kinda embarrassing. Everybody comes over and starts recommending there favorite ammo to try in it.

The jamming thing is why I was able to get the GSG IMO. It seems there are a few internal screws that can become lose on the bolt after a few rounds that really turn the thing into a jamomatic. Also one of the factory mags I had seemed to have a catch that prevented the complete mag from feeding. I just lubed and worked the mag by hand until the catch disappeared.

There is to much aluminum which can strip when the screws are tightened so the fix seems to be the screw kit with nuts and lock tight. I may keep or trade the thing off and get an AR .22 upper before it is all said and done; but right now I am waiting on the screw set and push pins. Not looking forward to replacing the screws but it needs to be done to make the thing more reliable and a better platform.

August 2, 2011, 11:29 AM
Congrats on the GSG. They are a lot of fun to shoot, and with the money saved on ammunition vs. a 9mm carbine, the payback on them is very rapid.

In many ways, the GSG-5 is an exact replica of the Heckler & Koch MP 5 submachine gun.

Just to be fair to the casual observers of this thread, the only two things in common between a GSG5 and a roller locked MP5 are the outward appearance and the initial takedown process. After that, they are drastically different firearms:

- GSG is clamshell receiver with bolts vs. MP5 being folded, stamped steel
- GSG trigger group is completely different than any of the MP5 variants, it is also screwed into the grip housing vs. the MP5 being held in place by the selector lever(s)
- GSG has a fixed ejector plate vs. the MP5 ejector located in the trigger group, that is timed with the bolt cycle
- GSG cocking tube is secured by a block with screws vs. the MP5 being welded in place
- GSG is direct blowback vs. delayed roller locking system found in MP5
- GSG bolt assembly is a single piece unit vs. MP5 having an easily separable carrier, locking piece, bolt head and firing pin
- GSG cocking handle incorporates a spring to replicate the heavier cocking force found in the MP5, which obviously uses a stronger spring
- GSG barrel is held captive by the clamshell receiver and associated screws, vs. the MP5 being pressed in with a multi-ton press and pinned into place.
- GSG has no elevation adjustment vs. the MP5 having a windage and elevation adjustable rear sight

The GSG-5 is a lot of fun, but aside from its outward appearance and manual of arms it's pretty far from being an exact replica of the MP5.

David E
August 2, 2011, 11:34 AM
I really like my dedicated Nordic upper with the Black Dog X-Form mags.

Very accurate and reliable. Won the recent Rimfire Tactical Challenge with it. Even shot the "Spinning Wheel of Death" clean.

The GSG looks interesting, tho

August 2, 2011, 11:44 AM
In many ways, the GSG-5 is an exact replica of the Heckler & Koch MP 5 submachine gun.

Yes that is their sales hype off the web sight not mine for sure!

August 13, 2011, 01:31 AM
Replaced the screws; what a pain! Glad I did for one of the three top screws on the bolt was missing.

I think the GSG-5 generation 2 is an upgraded airsoft wanna be a real .22 type weapon. Out of the box it needs some fixin if you want to keep it shootin. Don't flame please just my observations.

After replacing the Screws I ran a 550 pack of Federal through it ( I have 7 mags to play with ) and other than one mag giving me a few problems with FTF the gun does seem more solid. I did smooth and kinda polish the feed ramps when it was apart...not easy to do with the small lips and angles you must deal with. Also inside the frame where the mag release lever is attached I just polished the aluminum there after stripping off the cheap paint; this is an area where metal on paint rubbing (close tolerances) is just not a good idea IMO. The stock (however) is not solid and can be moved left to right with a small amount of lateral force....Grrrr...I have not figured out the fix for that other than purchasing a new stock.

The Vortex Sparc will not co-witness with the iron sights but seems to hold zero and put the rounds where you want them. Sparc is going on a .22 CMMG upper or a YHM 7.62x39 upper or maybe swapped back and forth....hate to remove optics once set and zeroed. Seems like fixing, cleaning and dreaming never ends!!

August 24, 2011, 12:50 AM
Put a TSR-25 on the GSG and it really does work good. Co-witnesses with the front sight and looks good due to its small size. Still waiting on the collapsible stock that should be here this week. Very happy with fit and form of the TSR-25 on the GSG.

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