Masterpiece Arms Defender MPA30K 9mm Folding-Hinge Pistol - Black & Tungsten - MPA30K

Engineered for professionals and enthusiasts who demand reliability in a compact package, the Masterpiece Arms Defender MPA30K 9mm Folding-Hinge Pistol delivers subcompact portability without sacrificing rugged construction. This semi-automatic pistol features a steel upper receiver paired with an aluminum lower for a balance of strength and reduced weight, making it ideal for tactical applications or range use where maneuverability matters.

Key Features

• 4.5-inch threaded barrel (1/2×28) with thread protector, ready for muzzle devices or suppressors
• Side-folding hinge and buffer tube adapter included for customizable rear support options
• Glock-pattern magazine compatibility (Glock 17/19 or larger) for seamless integration with existing gear
• Non-reciprocating charging handle and AR-style fire control group with anti-walk pins for smooth, reliable operation
• B5 Systems P-22 grip and adjustable sights for enhanced ergonomics and accuracy

Specifications

• Caliber: 9x19mm
• Action: Semi-automatic
• Barrel Length: 4.5 inches, threaded
• Overall Length: 12.52 inches
• Weight: 67.05 oz (unloaded, without magazine or rear brace)
• Magazine Capacity: Depends on magazine (ships with choice of 17-round Magpul or 34-round Amend2)
• Finish: Black and Tungsten
• Construction: Steel upper, aluminum lower

Why Choose the MPA30K

The folding hinge design addresses the need for compact storage and transport while maintaining full functionality when deployed. Its battle-proven Defender bolt system, with a track record of over 150,000 units, ensures dependable feeding and extraction even in demanding conditions. The threaded barrel expands customization options, while the familiar AR fire control group provides a crisp trigger pull that shooters already know and trust. This platform solves the pain point of choosing between lightweight convenience and durable, metal construction.

Built as a blank canvas for your preferred brace or stock, the MPA30K offers maximum versatility for home defense, competitive shooting, or personal protection setups.

Common Questions Answered

What magazines does it use? It accepts standard Glock 17, 19, or larger pattern magazines for broad compatibility and high-capacity options.

Is the barrel threaded for suppressors? Yes, the 4.5-inch barrel is threaded 1/2×28 and includes a thread protector for immediate suppressor readiness.