[Pre-Order] Umarex (VFC) Heckler & Koch HK33 Full Steel Gas Blowback Rifle

The 5.56mm Evolution of the G3 Legacy

Heckler & Koch HK33 is a 5.56×45mm NATO assault rifle developed in the mid-1960s by Heckler & Koch of West Germany as a scaled-down derivative of the G3 platform. It retains the company’s signature roller-delayed blowback operating system, eliminating the need for a conventional gas system. This mechanically delayed action provides consistent cyclic behavior, durability, and reliability across varied ammunition conditions while maintaining structural simplicity. The HK33 was introduced in response to NATO's transition toward the lighter 5.56mm cartridge. Compared to the 7.62mm G3, it offers reduced recoil, improved controllability in automatic fire, and increased carried ammunition load—advantages particularly suited to mechanized infantry, airborne units, and export customers seeking a balance between firepower and mobility.

Constructed with a stamped steel receiver and modular components, the HK33 combines manufacturing efficiency with battlefield robustness. Numerous variants and licensed production models were fielded worldwide, especially across Asia, the Middle East, and Latin America. Within the broader evolution of small arms, the HK33 represents a critical transitional design—bridging traditional full-power battle rifles and the modern small-caliber, high-velocity assault rifles that would dominate late Cold War and post-Cold War service doctrine.

The VFC HK33 GBBR - The HK53 GBBR system combines the advantages from the G3 and MP5 V2 system, offering players an awesome shooting experience and amazing performance, come to experience the best VFC GBBR system!

H&K HK33 Appearance Fully Present - VFC obtained full H&K/ Umarex authorization from the overall design, material, operation, appearance, as well as the engraving and trademarks, which are fully reproduced.

Main Receiver Build Method - The entire receiver of the HK33 GBBR is manufactured from stamped steel, with welding and assembly just like the original; A true reproduction of the classic.

New Design HK33 GBBR Internal System - The HK33 GBBR carries forward many of the advantages of the HK53 GBBR. It not only keeps the detail on appearance, but also greatly improved the internal components and handling. It uses a newly designed aluminum alloy lightweight bolt assembly with enhanced nozzle assembly, steel fire control, internal structure and new design steel recoil spring guide rod set. For use with new type GBBR magazine, the whole system works stunning!

New EZ Hop Design - The HK33 GBBR gears the EZ HOP adjustment method to adjust the HOP. Just remove the easy-to-remove front handguard, and then you can easily adjust the HOP UP at the base of the outer barrel. It is not only convenient, but also when HOP is adjusted, it can be positioned more accurately and does not come loose easily.

The Design of HK33 Gas Magazine - VFC new magazine settings, the HK33 gas magazine includes the simulated body with complete engravings. Inside it uses the floating gas outlet while still retaining the last-round stopping function. The new design follower is also durable. This magazine can give great gasification efficiency..

Features:

• Stamped steel upper frame, and the details of the solder joints are reproduced.
• Early type lower grip, the unique HK33 /53 0-1-25 selector marking.
• "EZ-HOP" Quick adjustment HOP-UP design, can be knob adjusted by removing the handguard.
• HK33 /53 style aluminum alloy bolt carrier, with cylinder enlarged nozzle set.
• With steel made hammer, sear, trigger and fire control parts.
• Reinforced buffer and recoil spring set provide strong recoil.
• No-bullet-stop function.

Specifications:

• Overall Length: 925mm
• Weight: 3200g
• Inner Barrel: 360mm
• Magazine Capacity: 30 Rds
• Power Source: Green Gas
• Muzzle Speed: Approx. 110 ± 5 m/sec with 0.20g