[Pre-Order] VFC Maxim Defense PDX-SBR [EVO] M4 Gas Blowback Rifle - Tan (2026 New)

The Patented EVO AR GBB System

The VFC AR series GBBR has been officially upgraded to the EVO version. Built upon the proven and reliable V3 system, it adopts a steel TDC Hop-Up sealing system paired with an intuitive adjustment design, and EVO one piece out barrel. delivering enhanced trajectory stability and shooting accuracy while also improving maintenance efficiency. The Hop-Up chamber and inner barrel can be quickly replaced without removing the front-end assembly, significantly increasing convenience for field adjustments and performance tuning.

FC Patented EVO HOP UP SYSTEM - Improved HOP-UP Adjust Design & New HOP Chamber Quick Detachment Design & New Design V4 Gas Magazine

• A newly designed steel TDC Hop-Up unit that is reliable and designed for quick detachment—no need to disassemble the outer barrel or handguard, also can be precisely and quickly adjusted using the VFC EVO AR GBB HOP Adjust Tool Set.
• The HOP UP adjustment has been relocated to the chamber base, offering clearly defined settings with secure indexing, ensuring improved trajectory stability.
• The upgraded V4 magazine features precisely aligned notches and mag catch slots on both the magazine and receiver, ensuring reliable gas output and consistent performance.

The Beginning of Maxim Defense

Maxim Defense is a premier U.S.-based firearms and tactical equipment manufacturer, specializing in high-performance weapon systems designed for military, law enforcement, and civilian markets. The company is best known for its compact Personal Defense Weapons (PDWs) and innovative firearm accessories, particularly in the realm of short-barreled rifles and collapsible stocks.

Renowned for its precision engineering and durable product designs, Maxim Defense focuses on delivering exceptional shooting experiences in extreme environments. Its flagship products, such as the MDX Series PDWs and the SCW (Sub Compact Weapon), are widely acclaimed for their modularity, superior ergonomics, and outstanding shooting stability—making them a preferred choice among elite military and law enforcement units. Additionally, Maxim Defense has developed cutting-edge technologies like the HATEBRAKE muzzle booster and suppressor systems, enhancing firearm concealability and accuracy.

As an industry innovator, Maxim Defense continuously pushes the boundaries of firearms technology to meet the demands of modern warfare and tactical operations. Whether in Close Quarters Battle (CQB) or specialized missions, the company upholds its core philosophy: "Maximum performance, minimal footprint," delivering unparalleled tactical advantages to users worldwide.

About VFC PDX-SBR GBBR - Built for Tier 1 Missions in the Tightest Spaces

The Maxim Defense PDX-SBR originates from the U.S. SOCOM PDW (Personal Defense Weapon) concept and was developed to meet the close-quarters combat requirements of Tier 1 military units and professional tactical operators. Built around an ultra-compact PDW architecture, the PDX-SBR is optimized for CQB operations, vehicle-based missions, and confined environments. Despite its highly compact dimensions, it delivers stable handling and rapid response, offering exceptional tactical mobility in restricted spaces.

The core of the PDX-SBR series lies in Maxim Defense’s patented SCW™ (Short Carbine Weapon) system. This system significantly shortens the stock structure while maintaining smooth cycling and reliable operation within an ultra-short operating stroke. When paired with the signature HATEBRAKE™ muzzle device, recoil and muzzle rise are effectively reduced, further enhancing control and shooting comfort in CQB environments. Combined with the M-RAX™ / M-SLOT™ compatible handguard system, the platform allows seamless integration of tactical lights, foregrips, and laser modules, fully demonstrating the PDW platform’s high level of modularity and mission adaptability.

The VFC PDX-SBR GBBR is developed with an all-new, model-specific tooling, faithfully reproducing the ultra-short proportions, stock structure, and distinctive external profile of the original firearm, fully capturing the design spirit of the next-generation PDW. Internally, the PDX-SBR GBBR is equipped with VFC’s proven and reliable AR-series GBB system, ensuring smooth cycling, distinct recoil feedback, and a solid, realistic handling experience. More than just a visually striking short-barreled gas blowback rifle, the VFC PDX-SBR GBBR represents a high-end platform that unites PDW design philosophy, ultra-compact weapon engineering, and authentic gas blowback operation. It fully embodies Maxim Defense’s uncompromising design standards for the PDX-SBR series, while once again showcasing VFC’s technical integration and manufacturing expertise in the Airsoft field.

Maxim Defense Full License Authorized Production

The VFC PDX-SBR GBBR is manufactured under full licensing and authorization from Maxim Defense. Every rifle features officially licensed trademarks, accurately replicated components, and complete detailing—all based on Maxim Defense’s original specifications. No additional aftermarket parts are needed to achieve authenticity. Out of the box, the PDX-SBR GBBR delivers a faithful and complete representation of the real steel PDX-SBR, both in appearance and functionality.

FDE Finish – Mission-Ready Appearance

The FDE (Flat Dark Earth) finish of the VFC PDX-SBR GBBR enhances its tactical presence with a combat-proven appearance inspired by modern military applications. This finish not only reinforces the platform’s aggressive PDW character, but also improves visual integration across urban, desert, and mixed operational environments. Precisely applied to highlight the compact proportions and sharp contours of the PDX-SBR, the FDE coating delivers a refined balance between realism, durability, and mission-ready appearance.

Authentic PDX-SBR Detailing

The PDX-SBR GBBR faithfully reproduces the original Maxim Defense PDX-SBR, featuring the signature HATEBRAKE™ muzzle booster, M-RAX™ / M-SLOT™ compatible handguard, and newly tooled upper and lower receivers. The fully functional SCW telescoping stock, combined with the CCS buffer tube, enhances realism and operational feel. Powered by VFC’s proven AR-series GBB system with accurate markings, the PDX-SBR GBBR delivers an authentic experience from external details to internal mechanics.

Ambidextrous Controls × Strength mix Lightweight Engineering

The newly released Maxim Defense PDX-SBR GBBR comes equipped with fully ambidextrous controls, including fire selector and charging handles on both sides—faithfully mirroring the real steel configuration. Whether you're a left-handed or right-handed shooter, seamless operation is guaranteed. This not only enhances handling and responsiveness during firing but also improves maneuverability and field adaptability for skirmish scenarios and practical use.

Specifications:

• Length : 470-595 mm (Stock retractable)
• Weight : 2300g (With empty magazine)
• Inner Barrel : 139mm
• Magazine Capacity : 30 Rounds
• Muzzle Velocity (Power) : Approx. - with 0.2g BB
• HOP-UP : Yes, Adjustable (EVO)
• Blowback : Yes
• Firing Modes : Semi Auto / Full Auto / Safety
• Power Source : Green Gas