MasterPiece Arms Defender MPA30T 9mm Top-Cocking Pistol, 4.5" Threaded Barrel, 30+1, Matte Black
This MasterPiece Arms MPA30T Defender stands out for its top-cocking configuration, threaded 4.5" barrel, and extended 30-round magazines. Built in the USA, it uses a simple blowback, semi-automatic action and features a matte black metal receiver. It includes a thread-on muzzle extension and comes in excellent overall condition.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The frame shows a few small handling marks. The bore is bright and clean.
What’s Included
- Hard case
- Two 30-round MasterPiece Arms-branded extended polymer magazines
- Unbranded cylindrical thread-on muzzle extension (installed)
The MPA30T is the top-cocking variant of the Defender series, confirmed by the case label and its knurled, top-mounted charging handle. This configuration offers a distinctive profile and straightforward manual operation.
The 4.5" threaded barrel is compatible with factory muzzle accessories such as protectors and safety extensions, and this example ships with a cylindrical thread-on extension installed. Captive receiver pins enable quick takedown for maintenance.
Sights are fixed iron units with a protected front post and a protected rear aperture/notch. Controls include a manual safety with an extended lever for positive engagement.
The pistol features a matte black metal receiver, wrap-around textured grip panels, and a short under-barrel accessory rail. Capacity is 30+1 in 9mm Luger, and it comes with two extended MasterPiece Arms-branded polymer magazines.




