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Jeff Quinn ( ) tests the CMMG MK-9 T 9x19mm Semi-Automatic Carbine.
For those desiring a 9x19mm carbine, the CMMG MK-9 T is a very good choice. It is reliable, accurate, easy to fire, and made in the USA. MSRP as of the date of this review is $1149.95 US.
Check out the entire line of CMMG rifles and accessories online at
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Bought this pistol. Biggest disappointment I've had. Mag issues out of the box. Charger not working properly. I'd pull it back & it stayed. I couldn't push it back while the mag was loaded in the well. If I took the mag out, it worked fine. If I have a mag inserted, It does not work. Just a defective gun. Called CMMG 5 times, Someone will always get back to me. However, no one ever calls back. Sent 7 e-mails, 1 every day since I picked up the gun, No response. When I picked up the gun, every thing seemed OK. Of course you can not load or fire ammo at my FFL when you pick up your gun. After you take possession you can not return it to where you bought it, as it is considered "Used" Took it to the range. When it sits there, on the table, it's a good looking gun. Then I loaded the mag & that's when the gun went to Sh–. Tried to get off 10 rounds. Mag would not lock into the mag well. I had to hold it in by hand. Double feeds, jams, FTF, FTE, after attempting to even get 5 rounds off, I had to stop before I beat the crap out of the gun. It's been in the box, waiting to be returned. My opinion, Do Not buy CMMG. poor product & customer service sucks.
I wonder if this is California compliant. because I think they only regulate the centrefire, and since this is a pistol round I believe it is exempt? :/ if so, I might as well get one.
What sight do you have on top again? Thanks.
I like it but dont know why they would incorporate a bolt assist when it does not even fucntion on the rifle .I say get rid of it for less weight and make it more streamline
Interesting and informative, thank you
Fantastic gun… Love it..
Is that large case deflector completely necessary?
Awesome rifle. What kind of target are you shooting at?
I absolutely love mine! One thing you will notice is how quite it is! It literally is no louder than my Ruger sr22 pistol, if anything it is quieter!
Is CMMG a reliable company? This looks like what I've been looking for. I'm looking for a good, quality 9mm AR for my wife and there isn't that many reviews for 9mm ARs out there. Nice video and thanks!
does this setup use a buffer spring?
Awesome! I saw your other review on the Just Right Carbine. Which one is better or would you recommend please? Thanks and great review!
Why does the barrel have an M204 step on it?
Snore, blockback pistol carbines are useless to me. I hope some company makes some DI gas operated AR that shoots 9mm, 40, 45 and 10mm. Right now only one private individual makes them but the uppers cost $850. If a bigger company makes it maybe the price can be lower.
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When you gonna test one of these little ditties?
Prototype Quadrotor with Machine Gun!
rifle only cost $1,000 at CTD
where can i buy that upper & rail
Cool little gun, but this is competing against the Hi-Point and the Beretta Storm. It is more than 2x as much as the Storm, and 5-6x as expensive as the Storm. I am struggling to see the value here. I guess they figure there is a market for a reliable 9mm AR such that some people will pay the premium price. But I bet they'd sell a ton of these at $600 and very few at $1,200.
I have the base model MK-9 and it is an absolute blast to shoot. Had an extraction problem when I 1st got it. The gun smith tweaked the extractor, now it runs like crazy. I absolutely love it.
For a second there at the end, I thought he was ringing the steel in tune with the music.
Hey Jeff get some gasoline on those hands brother.
Price seems about right for a dedicated AR for the 9mm…no retooling from leftover parts…no fitting sleeves and filed down bolts to make it "sorta" work like most manufacturers do. Quality & American made has a price… KTs and HiPoints might be Am-made, but there is no comparison on quality. Seems most KTs and HPs end up busted up in some way or used as the butt of a joke more often than not.
Looks like a fun Carbine for sure. I have the TS 995 Hi-Point to plink with.
I think of I owned this I would have to track down IMI sub-gun ammo or Double Tap +p+ to make it worth it. For my 9mm sub gun I bought a Sterling for $500 and the 34rd mags are $20 and a dream to load. Also with a quick barrel change I can shoot 7.62×25, 9×18, 9×21, 9×23, etc. Even turned the cooling jacket into a quad rail. Nice AR but you can buy better for much less.
Pretty Neat …..
Real nice rifle, but 1200.00 is just way too much.
very nice one rife
That's nice I have one it's very accurate my wife loves it.
Does this carbine use proprietary magazines or are these compatible with other 9mm rifles (Colt, Uzi, etc.)? Thanks!
Sweet! TY
easy to control with the 9mm
Pricey, for sure – but glad that manufacturers are responding to a real demand!
Are those Uzi mags
Man that's a lot of money for a dedicated 9mm. Will it work with a standard AR slide fire stock?
Looks like fun. 9mm is a heck of lot easier to reload than .223.
Gunblast.com I watched your vid on the fn spr, should I get a rem 700 or fn spr? If you could only have one, wich would it be? Thanks
Wonder if you could get one in an SBR or if you would have to have one made. That would be interesting to see despite having to wait six months for the paperwork to process.
nice lil carbine, its a little pricey over 1100.00 thats more than some aks and ars, but if you're not looking for that big caliber then its a good fit for some.
I have one that shoots 45 ACP and takes surplus WWII 30 round grease gun mags which are plentiful
Nice vid on a nice gun…too expensive in 9MM though…JMHO. I have a Hi-Point 9MM carbine and have had loads of fun with it and at around $300 bucks, you can't beat it. Shoots everything and no worries when traipsing through the brush and woods, it is 'butt' ugly but a fun, cheap gun.
Nice groups!
Seems like a nice firearm. Like others though, I'd like to see versions of this that can share magazines with common 9×19 handguns.
Pretty sweet. …
Too expensive IMO.
be better if it folded in half like kel tecs sub2000, better quality but the sub2000 is a better price, sorry colt, and if it accepted glock mags that would also be a plus