Radiata Inc. Victrix-K Lower Kit

The Radiata Inc. Victrix Lower represents the next evolution in MP5 pattern platforms, engineered by Radiata Inc. and distributed exclusively through 54-Seventeen Tactical. Designed for shooters who demand precision, reliability, and modern engineering, the Victrix delivers superior trigger response, refined ergonomics, and long term durability under real world conditions.

Each unit is manufactured in Texas using advanced composite materials that resist heat, moisture, and chemicals. Stainless steel internals ensure durability under sustained use, while the 3.5 lb flat faced trigger provides a crisp and predictable pull.

Compatible with most Turkish MP5 pattern platforms including SP5K | SP5K-PDW | AP5-M | AP5-P | MAC-5K | ZF-5K | ZF-5P | ZF-5T | 9KT
. The Victrix is a true drop in fit with no gunsmithing required.

Key Features

• Exclusive Radiata Inc / VICTRIX Edition – precision engineered and distributed exclusively through 54-Seventeen Tactical.
• Fully Assembled and Ready to Install – ships complete with 3.5 lb flat faced trigger, CNC machined S7S Super Safety, and ejector assembly.
• Advanced Composite Construction – engineered for rigidity, thermal stability, and chemical resistance without added weight.
• Reinforced Stainless Steel Internals – consistent performance under high round counts.
• Rotary Safety Ready – accepts ambidextrous three position rotary safeties, compatible with Leber FCU and other modern selector systems.
  Note: Consult the safety manufacturer before installation. Modifying the Victrix may void the warranty.
• True Drop In Installation – no gunsmithing or fitment required.
• Quality Controlled and Texas Built – designed, assembled, and inspected in the USA.
• Warranty – one year limited warranty against manufacturing defects.

Model Compatibility

Designed specifically for K style (compact / short barrel) Turkish MP5 pattern hosts, including but not limited to:

• MP5K / MKE MP5K
• AP5 P / AP5 K compact and pistol AP5 variants
• MAC 5K K style clones
• ZF 5P and similar Z branded compact models

Manufactured to match common Turkish OEM K model dimensions for precise lock up and a true drop in fit. Because manufacturers and importers sometimes rebrand the same host, verify your K style dimensions before ordering.

Direct Fit: K Model (Compact)

This product is the K model (MP5K) Victrix housing made specifically for compact hosts. If you own a full size MP5, purchase the full size Victrix listing.

Fitment Reminder

Variants and rebrands exist. If you are unsure about fitment, contact us with photos of your model or consult our fitment guide before purchasing.
Firearm shown for demonstration only; housing sold is an aftermarket part and does not include a serialized receiver or complete firearm.

State Restrictions

Due to state and local regulations this product cannot be shipped to the following states:
California, Colorado, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, or Rhode Island.

Orders placed from these states will be canceled and refunded. By ordering you confirm your ship to address is within the United States and that receipt of this item is lawful at that address.

Trademark and Brand Disclaimer

Products are independently manufactured and may reference existing brands solely for fitment and compatibility.
All product names, trademarks, and brand references — including HK, Zenith, MKE, MAC, AP5, ZF 5, POF 5, and MP5K — are the property of their respective owners and are used exclusively for compatibility and reference purposes.
Radiata Inc. and 54-Seventeen Tactical are not affiliated with, endorsed by, sponsored by, or representing those manufacturers.
This product is an aftermarket lower housing engineered for compatibility with MP5 pattern platforms.