4UANTUM Hi-Capa / 1911 MAGNUS PRO TDC Hop-Up Chamber - Black

TDC hop-up chamber MAGNUS PRO 2011 by 4UAD in black finish.

For gas airsoft pistols Hi-Capa, 1911 and TTI 2011 (Tokyo Marui standard).

Precisely machined CNC chamber made from 7075 aluminum.

Vertical TDC system ensures perfectly accurate and consistent hop-up pressure.

Enhanced self-centering barrel lock for maximum accuracy.

88,35 € tax incl.

Availability: Out of stock


18. 02. 2026 (20 pcs)

4UAD013

: 4UAD SmartAirsoft

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TDC chamber MAGNUS PRO 2011

Are you looking for the most accurate and stable hop-up chamber for your Hi-Capa, 1911 or TTI 2011 Combat Master following the Tokyo Marui standard? Do you want to shoot further and more accurately? Do you want to hit targets precisely at any distance and use heavier BBs? 4UAD MAGNUS PRO 2011 is built for exactly that. This hop-up chamber represents the absolute top among TDC systems. It is CNC machined from a solid block of 7075 aircraft-grade aluminum and uses a true TDC (Top Dead Center) setup (the pressure is applied exactly vertically from above, ensuring perfectly even pressure regardless of adjustment). Thanks to the patented self-centering barrel locking system, the inner barrel is perfectly aligned, ensuring ideal centering and stable muzzle velocity. Hop-up adjustment is extremely easy through the ejection port when the slide is pulled back, so you can fine-tune the hop without disassembly using an Allen key. The chamber is fully compatible with Tokyo Marui Hi-Capa / 1911 and replicas that follow the TM standard. For everyone who demands consistent performance, precise flight trajectory and long-term reliability, the MAGNUS PRO 2011 chamber is the ultimate upgrade part. Ideal when used with the 4UANTUM Friction GBB bucking (not included).

Installation guide for the chamber in TM Hi-Capa (alignment and locking inside the frame)

Key Features

  • 7075 CNC aluminum:
    Extremely strong and lightweight alloy for maximum durability and lifespan.

  • True vertical TDC system:
    The pressure point does not shift, resulting in consistent hop-up effect.

  • Patented barrel locking:
    Eliminates play, rotation and uneven pressure thanks to the rigid side-screw clamping and automatic barrel centering.

  • Hop-up adjustment without disassembly:
    Adjustment directly through the ejection port thanks to the unique mechanism.

  • Eliminated tolerances:
    Side and frame-mount screws ensure absolutely firm chamber fitment.

Technical Specifications

  • Material: CNC aluminum 7075
  • Compatibility: Hi-Capa, 1911, TTI 2011 (TM standard)
  • Pressure system: True vertical TDC
  • Hop-up adjustment: Through ejection port
  • Barrel mounting: Self-centering locking blocks

Package Contents

  • TDC hop-up chamber MAGNUS PRO 2011
  • Installation hardware and screws
  • Spring guide pin for 1911 / M1911 pistols

Complete package contents

Complete package contents

ColorBlack
Hop-Up chamber materialMetal