MasterPiece Arms Announces the New MPA30DMG 9mm Pistol With KAK Shockwave Folding Arm Brace

MasterPiece Arms MPA30DMG 9mm

Courtesy MasterPiece Arms

From MasterPiece Arms . . .

MasterPiece Arms (MPA), manufacturers of the MPA BA Rifles and Chassis Systems, is pleased to introduce a new 9mm pistol into their Defender product line: the MPA35DMG 9mm Pistol with Arm Brace. Based on the MPA30DMG, MPA’s new 9mm pistol includes a fully machined aluminum pistol grip that accepts GLOCK Magazines (17 and 33 round magazines only) and includes a handguard, side folder, and KAK Shockwave 2.0 Arm Brace.

This MPA35DMG 9mm Pistol with Arm Brace can be utilized in either the folded or non-folded positions. In the folded position, it measures 16,” while at full length (non-folded) it measures 23.75.” It includes a side cocker, scope mount, adjustable front and rear sights, decal grip panels, a lower Picatinny rail for flashlight or laser systems, MPA polymer case, MPA short handguard, ergo grip hand stop and barrel extension. The inner diameter of the handguard is 1.560” and will accept any 9mm suppressor that is 1.550” or smaller.

MasterPiece Arms MPA30DMG 9mm

Courtesy MasterPiece Arms

The attachment of the KAK Shockwave 2.0 Arm Brace does not make this pistol an SBR and requires no tax stamp. Please be sure to read ATF regulations and the latest opinion letter about this. This pistol, like all others, requires the purchase to go through a licensed FFL. Please allow three to four weeks for the MP35DMG 9mm Pistol with Arm Brace to be completed and shipped.

MPA35DMG 9mm Pistol with Arm Brace Specifications:

  • Caliber: 9mm
  • Barrel Length: 5.5”
  • Threads: ½ x 28
  • Weight: 8 lbs.
  • Accepts standard GLOCK style High Capacity Magazines (1 17-round magazine included)
  • MSRP: $799 – $925

The MPA35DMG 9mm Pistol with Arm Brace is available in a black Cerakote® finish. Tungsten, Burnt Bronze, Marine Red, NRA Blue, Sniper Green, and Gunmetal Cerakote finishes are available for an additional charge of $125.

For more information on MasterPiece Arms and their product line of rifles, chassis systems, and accessories, visit


  1. avatar I Haz A Question says:

    Well, this at least is its own complete unit, and not one of those add-on contraptions you simply slip your GLOCK into to make it look like a space ray gun. I like that it’s super compact. And yes, I’m partial to the “accepts GLOCK magazines” detail.

    Not so sure what the Marine Red or NRA blue color options would be good for, but at least they’re offering something different than the same-old-same-old. So kudos for that.

  2. avatar Vic Nighthorse says:

    A bit heavy for a PDF IMO. At 8lbs I’d want a lot more stang.

    1. avatar Tom in Oregon says:

      I’m with you. That seems several pounds over weight.

  3. avatar 9x39 says:

    Damned sure looks like a late Ingram MAC design with the bolt handle rotated to the left in favor of 1913 under all of that getup. Anyone seen the internals yet? Looks heavy for a pdw. It’s nearly the same weight of the bullpup shotgun range toy (until proven reliable, or not) I have. Here’s to hoping that one does prove worthy, it’s OAL is reeeeal handy indoors.

    1. avatar 9x39 says:

      “Here’s to hoping that one”, my shotgun for clarification.

  4. avatar MouseGun says:

    Even though it’s heavy and clunky, I have a special place in my heart for these Mac-11 knockoffs.

    1. avatar Ahil925 says:

      As do I, but I will never understand how they went from inexpensive, blowback, sheet metal, SMG based designs to ~$800-$900 MSRP things.

  5. avatar Silky Johnson says:

    I see nothing masterful about this particular piece. Hard pass.

  6. avatar StuckInIllinoize says:

    Have to pass, but it makes me warm inside that stuff like this is legal in most of the USA. 👍

  7. avatar BusyBeef says:

    Convince me to buy this abomination over the Ruger PC Carbine or PC Charger.
    I’ll wait.

  8. avatar Name1 says:

    A quad rail? Really? That’s so 1990’s.

  9. avatar doesky2 says:

    Cheaped out and didn’t go with the SBA3.
    They should sell a brace-less version.

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