MPA Defender SST-X Tactical Carbine

mpa9300sst_x-tm-tfb1

MasterPiece Arms has introduced a new carbine version of MPA Mac line of 9mm pistols. The carbines features a 16″ barrel, muzzle brake, aluminum quad rail, lightweight buttstock and a polymer 36-round magazine.

It is also shipped with a NcStar holo sight (cheap Chinese-made brand).

The MSRP is $749.




Steve Johnson

Founder and Dictator-In-Chief of TFB. A passionate gun owner, a shooting enthusiast and totally tacti-uncool. Favorite first date location: any gun range. Steve can be contacted here.


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  • Jerry

    I thought those NcStar decos are made for airsoft toys instead of real weapons?

  • Raoul O’Shaugnessy

    Just because you *can* do something, doesnt mean you *should*. It looks like the bastard lovechild of some sort of Cobray-KelTec pairing.

  • Jingles

    Well, that certainly isn’t hideous.

  • Vitor

    Does the muzzle break is really necessary? I mean, I can’t imagine a 9mm having not burned must of it’s powder in a 16″ barrel.

  • Matt G

    I really like those, if only they were a bit cheaper. For that money I could build another AR in 9mil.

    Don’t count on that sight lasting very long. I stuck one on my AR back when i first got it, lens came out after a few rounds. The reticules were very clear though.

  • Matt G

    Then again that is only Msrp. I’ll be very curious to see how much they acualky go for.

  • PFULMTL

    looks like a yard sprinkler…

  • Nick

    I don’t see the point, this thing is UGLY. ncstar is garbage too… I had an optic on one of my rifles… broke on the first range trip.

  • Cymond

    Mainly valued for its tacticool appeal. This is perfectly fine if your main desire is to feel like an action star at the range, but I wouldn’t want to rely on one for serious work. The Sub2000 is more practical and less expensive (albeit polymer, not steel).

    I seriously considered a Mac for my first centerfire handgun. The prices are low, the capacity it good, and the intimidation factor is high. They also have worse ergonomics, sights, triggers, size, weight, etc. than conventional handguns. As blowback guns, they’re known for more muzzle rise as that heavy bolt jumps around. They were also designed before the widespread use of hollowpoints, and supposedly only work well with ball ammo.

  • jdun1911

    That’s an Ace ultra light stock. It’s on my main AR15 non-NFA lower I use. Didn’t think they still in production.

    If you guys want a decent inexpensive pistol caliber carbine check out Hi Point carbine. Its ugly and heavy but work for a reasonable price.

  • Komrad

    their old rifle looked much better

  • Falcon500

    Tacti-Cool. That’s what that is.

  • Sian

    @vitor muzzle brake is probably there permanently attached to add official barrel length while keeping actual barrel length around 14″. Though I can’t imagine barrel length over 10″ having anything beneficial for a 9mm.

  • West

    Good God, thats ridiculous.

    All you really need is a padded barrel extension to hold down the muzzle when shooting full-auto.

  • Wuulf

    Saw this monstrosity in person at the local gun shop today. I asked them when they started selling airsoft. This thing look cheap. Its like someone superglued an AR stock and quad rail to a Mac 10 and threw on the longest muzzle brake they could find. They would probably sell better without the sight…

  • SKSlover

    just because you can, doesnt mean you should…

  • ap

    I bought a couple of the pistols when they were stupid cheap a while back. If you can get through a Sten mags worth without nerve damage to your trigger finger from the sear slap, you’re a real man.

  • Jeff M

    I just want the mags… no pmag style magazines for m11 out there, is that what this is? I will take 20 or 30 please.

  • Macman

    I just purchased one of these. Not really sure where Wuulf had seen one in February. None started shipping from MPA until late April. The weapon is a blast to shoot. QUite accurate, high on the fun factor and after about 500 rounds, no failures whatsoever. Its very light and is quite comfortable to shoot. Got lots of attention at the range.

    The only downside is the sight. the NCStar sight started to come loose from the base after about 100 rounds. had to take if off the pic rail and re-tighten the FHCS and secure with loctite.

    Much better quality than the Highpoint, but more expensive. I got mine for about $640