Sig Sauer 100 Round MPX Mid-Cap Magazine (Polymer)

Key Features

• Capacity: 100 rounds - mid-cap design provides a solid balance between firepower and realism.

• Construction: Made from lightweight, durable polymer to reduce weight without compromising strength.

• Feeding System: Equipped with a high-strength spring for smooth, reliable BB feeding.

Aesthetic & Compatibility

• Design: Semi-transparent body lets you see dummy cartridges within - adds a visual edge and practical ammo-checking.

• OEM Quality: Genuine SIG AIR/ProForce part, ensuring precise fit and reliable function with SIG Sauer MPX (AEG) series.

Specifications

• Material: Robust polymer, weight ~130 g (0.13 kg).

• Platform: Tailored for SIG Sauer ProForce MPX AEG rifles (ensure compatibility with system type: e.g., VFC vs. King Arms Sportline MPX-K).

• Finish: Matte black to match official MPX colour schemes.

Pros:

• Reliable mid-cap feeding avoids the complexity of winding hi-caps.

• OEM-fit and finish guarantee smooth integration with MPX AEGs.

• Animated count visibility via transparent design is both aesthetic and functional.

Final Thoughts

The ProForce M17 Tan GBB is a fantastic blend of realism, performance, and training utility. It feels and operates like the real deal, packs robust blowback, and offers adaptable gas options. Expect to use quality mags, keep internals clean, and be ready for occasional part fragility.