Rifles > Semi-Auto

ISSC MK22 .22 Rifle

This FN SCAR clone in .22 Long Rifle is a feature-loaded rifle that provides some seriously fun shooting.

10/18/2011

Some folks take their plinking seriously. It's not enough to just have any old wood-stocked .22 Long Rifle semi-auto in their hands. They're ready to take advantage of the growing selection of Tactical .22s, also known as Modern Sporting .22 Rifles, now available on the market. These .22s are near carbon copies of full-size combat rifles. However, they have been modified to be less expensive to buy and to shoot. To flesh out this growing field of tactical can tappers, ISSC Austria has stepped forward with its contribution—the MK22.

For fans of the FN-SCAR battle rifle, the MK22 should look very familiar. Along with the FN-style stock and receiver outline, the MK22 has many of the same features as the rifle that inspired it. The receiver is an all-metal construction, with a Picatinny-style rail system on all receiver surfaces. This includes a barrel placement for attaching FN sights. The mussle of the precision match, 16-inch barrel is cut with a 1:28 thread to accept various muzzle breaks and flash hiders.

The three-position shoulder stock is adjustable for length, features a sling buckle mount and it has a two-position cheek rest that adjusts for height. The stock is fitted with a metal hinge to fold to the side with a polymer frame hook to lock the stock in the folded position for tactical training exercises. Both 10- and 22-round magazines are available.

The adjustable front and rear rifle sights can be folded down to make room for a scope. When in the down position, the sights become a three-dot pistol system. The three-dots are not terribly useful on this gun, but an interesting idea nonetheless. The charging handle is part of the patent-pending Universal Charging Adaption System (UCAS), which allows the handle to be moved to three locations on the right or left side of the gun. The hollow grip is fitted with a removable base plate so it can be used for storage. The MK22 is available in a black or tan finish.

The one thing missing from this rifle is a useful set of cleaning instructions. Maintenance is important for any firearm, but semi-auto .22s are notorious for getting exceptionally grimy. The instructions don’t allow for complete field stripping of the rifle, but they also warn against the spray-on solvents that would be useful when cleaning a partially stripped rifle. So shooters are left to figure something out on their own.

I took advantage of the accessory rail system to dress up the gun a bit. The lower rail provided an ideal location for the Streamlight TLR-1. The rail had plenty of room to move this compact, powerful flashlight back and forth to find the ideal location operation. This rifle also provided good opportunity to take LaserLyte's K-15T laser for a test drive. You may not see the need for a cutting-edge green laser for knocking over pop cans, but if you’re using the MK22 as an affordable stand-in for an FN, then testing a laser makes sense. For long range work, an Alpen Optics Model 4031 3-9 x 42 scope was affixed to the top rail with quick release rings to provide a crisp, clear view of the targets. However, even with 1-inch high rings, there was not enough room to leave the collapsed rear iron sight attached, so the rear sight was removed when the scope was in use.

At the Range
The price tag on the ISSC MK22 places it in the center of the price range for the current set of tactical .22s on the market, but the dollars spent are reflected in the heft and balance provided by the all-steel barrel and aluminum receiver. Some companies, in an effort to make their tactical .22s more affordable, have used too much polymer. The guns feel like they should be filled with water from a garden hose rather than loaded with ammunition. But shouldering and shooting the MK22 feels like you are running a "real" gun. The recoil of the MK22 is feather light, as is to be expected. The trigger is smooth, gauging out at 4-pounds, 12-ounces, with some creep after the firing pin is released. Formal accuracy testing was conducted from a bench rest using five consecutive, five-shot groups with targets set out to 100 yards.

The overall accuracy results at 100 yards were not awe-inspiring, but they were relatively consistent. The best single group of 2.75 inches was produced by Winchester's new M22 40-grain black copper-plated round nose ammunition. The M22 also produced the best average group set with a measurement of 3.2 inches. The next best performer was CCI's new AR Tactical 40-grain copper-plated round nose with a best single group of 3 inches, and a five-group average of 3.35 inches. Third place goes to CCI Velocitor 40-grain copper-plated hollow points, with a best group of 3.5 inches, and an average of 4.1 inches. These three test loads ran without any failures during the formal testing and during the extended informal testing.

The MK22's accuracy was markedly better at 50 yards. During informal testing at this range, using a full spread of high quality and inexpensive bulk rounds, results hovered around the 2-inch mark, with ragged less-than-an-inch holes produced with quality ammunition. This rifle has a very low ammunition fussiness factor, running with almost no problems across several varieties of ammunition fired. Three malfunctions occurred during this portion of the testing. One was a failure to eject resulting in the need to pry the spent case out of the chamber, followed by two stove-pipes. The failures all occurred with the same brand of affordably priced bulk ammunition. Since no other malfunctions occurred in the course of firing hundreds of rounds, the problems can be written off to that particular load.

Fifty yards turned out to be an ideal range to work with the K-15T laser. At this range, even in bright, late-afternoon sunlight, the green dot was visible on the various targets used. As the afternoon wore on and the sun started to set, the dot just got brighter. This LaserLyte sight is easy to dial in and work with, and it looks pretty cool on the gun.

Final Thoughts
The greatest strength of this rifle is the flexibility of its possible applications. For an understudy to the full-throttle FN-SCAR, a customizable small game hunter or over-the-top plinker, the MK22 can do it all with panache. I've even heard folks suggest that the combat features of this rifle make it a candidate for a low-recoil self-defense option for the injured or elderly. With quality ammunition, and enough rounds fired with proper shot placement, it could do the trick. For those folks who take their .22s seriously, the MK22 is seriously fun to work with.

Manufacturer: ISSC Austria; issc-austria.com
Model: MK22 Rifle
Action: Semi-Auto
Caliber: .22 Long Rifle
Finish: Black or Tan Ti-Clad finish
Sights: Adjustable Rifle/ 3-Dot
Barrel Length: 16”
Overall Length: 36” (Stock Extended)
Width: 2.81”
Weight: 6.5 lbs.
Capacity: 10 + 1, or 22+1 Rounds
Twist: 1:16” RH
Rifle Grooves: 6
Suggested Retail Price: $549.95

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27 Responses to ISSC MK22 .22 Rifle

Adam wrote:
July 29, 2013

Great rifle, mine works like a charm. First thing I did was Change and locktite the screws on the back of the bolt after that I used it the next day 500 rounds of Federal with no jams or issues then 200 rounds of Winchester HV 2 miss feeds in the first 2 mags. This gun Likes sertain ammo and the federal seems to be the way to go for it. I give this gun 5 Stars as long as you do your research on how to make it last.

dax wrote:
June 12, 2013

This weapon suxs. It jams every round. With live rounds side ways in the gun. I think the mag is the cause. I have tried 4 different rounds. But when it does fire it is spot on. Don't waste your money on this and get s&w mp .22.

Robert wrote:
March 24, 2013

I just purchased the Issc mk.22 on 03/08/2013 and was initially pleased with my mk.22 until I started having problems with it. I examined it more closely, and discovered many inferior components used in its manifacturing. While it's tacti -cool is high, it's performance is poor, in fact, very poor. The rifle I bought suffered from repeated stovepipes, weak hammer strikes, and a continuious failure with extraction. The extraction issue could not be remedied by advancing the slide forward to remove the live rounds that were struck by the feable hammer blow. I was advised to try another well respected brand of ammunition, so I tried several different brands and designs, and the performance just got worse as I shot it. I returned this to the store I bought it from, and bought a different, well respected brand that I know will work. Beyound the issues I mentioned above, the things lacking with this gun are many, of which I will mention now, so you can make an informed decision before just buying this gun on it's looks. My first discovery was the LACK of a written warranty, something you should expect when spending $500.00 + on a gun. Next is the chamber/bolt assembly, which looks to be cast of pot metal, much like a toy. The barrel is a skinny little rifled tube with a larger tube wrapped around it - with a flash suppressor attached to the outer cosmetic tube. This gun is difficult to break down to clean properly, and they advise you not to use gun cleaning solvents to clean it. The ability to move the charging handle to one of six positions, is more of a gimmic than a necessity, and reeks of cheapness, as does the folding sights that come with the gun. I also had issues with the sights as well - a considerable force was needed to place the spring loaded rear sight into service with the button, requiring two hands, one to push,and one rotating the sight. The front post sight has a detent spring that fails to return once depressed, allowing the post to move fr

mike wrote:
March 03, 2013

http://www.legacysports.com/repairs/repairs.html# this is the link to the us supplier of ISSC products this will take you to their warranty center and repair in fo etc

Derek wrote:
January 30, 2013

@charles I know it's been a couple months since your post, however I am a .22 enthusiest owning many .22 rifles and pistols, I recently bought the mk22 and it is absolutely my favorite, it's reliable, comfortable, sturdy, looks so cool (I got tan) and overall one of the best .22 to get, I also have the mossberg 715T which is mostly polymer but is a great budget .22 AR you can get for around $250, there are a lot of great ones out there but the mk2 is my favorite overall

Charles wrote:
November 22, 2012

I am new to .22 rifles, having only a 12 gauge, and was wondering if this would be a good starting .22 ?

Terry Neely wrote:
November 06, 2012

Comments...As a 66 year old who shot his own Rem 572 at 12 years of age. I now have a M&P 15-22 and a umarex Colt M4 with plans to buy a ISSC MK22 soon. You know what? I love them all.

morgan wrote:
October 10, 2012

I think its junk the rounds dont feed well threw the mag and i get miss fires even from good ammo , and the ammo shoots great threw my other 22s

Dan wrote:
August 22, 2012

Sorry guys I have to agree with Jim about the old guns. But I will also say what I like another person does not have to like as this is America and we have the right to choose. That said, I have a Marlin model 39A that shoots less than 1 minute of angle at 150 yards which is great by any standards. I have 2 of the modern 22 tactical design rifles and they shoot good but no where as accurate as the old 39A. I like shooting them but have to say when going for accuracy I turn to the 39A. No need to argue about this as we all have different needs and preferences so just enjoy what you enjoy and be safe!

subic bay chief wrote:
August 22, 2012

I bought the TAN MK 22 SCAR 2 months ago. Shot different .22 rounds w/varied results and found the Federal 36 gr copper plated hollow point to be the most reliable of the bunch I tested, out of a brick of 500 rounds, I experienced only 10 FTF problems. The only drawback is the cost of the extra magazines, I wish they could use black dog or other AR 22 mags at cheaper cost. At my local range, I get the WOW Factor - super TacticooL (the TAN color blows them all away). Otherwise extremely satisfied with the performance and versatility of this SCAR .22 Now my wife wants to trade her COLT AR .22 for my SCAR .22 I said, hmmmmm - no thanks.

Craig wrote:
June 18, 2012

This is a very reliable 22lr and accurate rifle. But....be careful. Their are three socket bolts that need to be changed: Vertical screw: stainless steel socket head cap screw M4x0.7x18mm Horizontal screw: stainless steel socket head cap screw M4x0.7x16mm* Butt Stock Plate screw: black oxide or stainless steel socket head cap screw M4x0.7x12mm. The screws that come with it aren't of the highest quality(soft). I purchased replacements at drillspot.com Otherwise they can strip out causing the bolt to move resulting in misfires. You should use BLUE Loctite on the afformentioned screws as well. Youtube for breakdown. http://rrages.com/ sells HK spring loaded pins for the lower so you don't have to deal with unscrewing every time you break it down. All and all a very nice rifle with the following caveats.

Tom wrote:
May 23, 2012

I bought one of these recently, but was concerned about some of the comments I had read online about feed/extraction reliability. I am happy to report that after firing several hundred rounds of copper coated round nose ammunition, I have had absolutely no problems with this rifle. So far I'm extremely pleased.

YounGun wrote:
March 16, 2012

I agree with p4triot. i am young (21) And i too enjoy older guns and i own and shoot many of them. But the new weapons that are being made are by far my favorite. Besides all there obviouse good features they are also lighter and more reliable. Look at it this way... If no one ever tried to progress our weapons, wed still be standing in a line taking turns shooting single shot musket style rifles. Or worse sticks rocks and slingshots.

P4tri0t wrote:
February 19, 2012

just to be fair--wood and steel cost more and since most shoppers weren't shooting when Ike was president, your opinion while valid Jim, doesn't represent the marketshare...and the bottom-line is all that matters to modern companies... as far as your 50+ year old rifle 'outshooting' my modern .22...thats an obvious statement from someone who hasn't shot one of the new offerings--they are just as accurate as past models and much more affordable to the average shooter; they are also much more intuitive to teach proper cleaning and service on--I own an SW M&P15-22 and the MK22 and enjoy them both... simply put--until you have fired and handled one of these rifles keep your misguided grumpiness to yourself or start a BLOG and vent there...this is intended for familiarization before purchase not bickering about "the old days"

smiling Bob wrote:
January 28, 2012

What is the story on Magazines for this firearm? Is anyone manufacturing them other than the manufacturer? Is there a substitute?

matteo wrote:
January 22, 2012

I just found the URL for ISSC Austria it is: http://www.issc.at/

kaanimal wrote:
January 11, 2012

Where's the issc-austria.com site? link doesn't work & I couldn't find it with a google search...

Kelly Harbeson wrote:
December 21, 2011

FYI this gun does not accept a 1/2'X28tpi muzzle device of any sort. It uses an outside threaded flash hide.

arealpatriot wrote:
December 19, 2011

Jim, while you enjoy older style firearms, some of us do not. I find more beauty in my black Colt AR-15 then I do in any wood stocked gun. I prefer modern military firearms instead of the old toys that you like. Your old Winchester could never do what my Colt can do.

Jim, too or two, or something wrote:
December 19, 2011

I share Jim's comments--it's wood and steel for the real deal. But--heaven help me--I am about to purchase one of those plastic things--in 22 cal. At near 81 years of age I was probably voting when Jim was born and I surely wish I had some of my old guns. But with my limited wisdom all the 52's, early model 70's and the like are long gone. And it's a shame!

GauchoForce wrote:
December 19, 2011

I have had same concern over cleaning. The thing is a pain to open up and lots of screws just to get to the action and firing pin. I have only been cleaning with a clp wet rag and bore snake. We will see how long that lasts... They should make spring loaded take down pins I hate those double screws!

CM wrote:
December 17, 2011

@Jim- one of the reasons why they make different guns is for people with different tastes. If you don't like a particular style, don't buy it., bit don't lament my right to buy and thoroughly enjoy it. Believe me, after they take away everyone's evil black rifles, they will come for your beautiful wood stocked, polished blued rifles too.

Nate wrote:
December 07, 2011

That looks like a midwayusa single weapon drag bag. I've got the double bag. Very nice and fairly cheap. Don't quote me tho. Just looks the same.

John wrote:
November 22, 2011

I am with you Jim. I was born in !949 and have ownd and shot them all.I just ordered a CZ Ultra Lux. I try to stay with U.S. made products But couldn't find a long barrel wood stock made here.

Brian wrote:
November 22, 2011

What bag is that and where can I get one?

Joe Webb wrote:
October 23, 2011

Why doesn't some one like ruger make a .17hmr semi thar can take a 20,30 round clip. I think red Jacket could make a mint thank you J.

Jim wrote:
October 19, 2011

As someone who shot his first .22 rifle 55 years ago, when Ike was President, I have to say that this new marketing trend leaves me cold. Where is the beauty in a cold piece of aluminum and steel? I've used or owned most of the historically significant .22 rifles made after the first World War, I wish that people would pursue beautiful wood and beautifully blued steel and forget the immature fantasies that a tactical rifle generates. And I'll put my 50+ year old Winchester 62A against any of these toys.