Melbourne, Florida- August 2025 — FightLite Industries, the global leader in innovative belt-fed firearm design and manufacturing, is proud to announce its latest advancement, the DFX, a highly streamlined, state-of-the-art Belt-Fed Upper Receiver Assembly designed to seamlessly integrate with any MIL-Spec AR-15/M16/M4 or HK416 pattern lower receiver with no permanent modifications required.
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With over 25 years of experience perfecting and delivering belt-fed technology to users around the globe, FightLite® is taking things to the next level with a modern, slim-line upper receiver and free-floating barrel & handguard system engineered for unmatched accuracy, performance, and reliability. Whether you’re a military professional, LE agency, or firearms enthusiast, the new patent-pending DFX system brings free-floating belt-fed capability to your existing lower with a “drop-on” solution!
Key Features Include
Universal MIL-Spec Compatibility
Precision engineered to mount on any standard MIL-Spec AR-15/M16/M4 or HK416 pattern lower receiver without the need for any permanent changes. Simply attach the upper to your standard lower, and you’re ready to run belts or magazines!
Free-Floating Heavy Profile Machine Gun Barrel
Designed for sustained fire and improved heat dissipation, this barrel enhances accuracy and durability under the most demanding field conditions.
Piston-Driven Operating System
Clean-running and reliable, the patent-pending DFX™ short stroke gas-piston system delivers extreme reliability in even the harshest environments, reducing fouling and maintenance while increasing operational reliability.
1913 Picatinny Quad Rail System
Offers robust and versatile mounting options for optics, lasers, lights, grips, and other mission-critical accessories.
Optional M-LOK Style Handguard
Optional DFX handguard lengths and patterns are available as optional accessory items and can be user-installed with basic tools and skill sets.
Enhanced Full-Auto Bolt Carrier Group
Includes a heavy-duty, properly engineered rotating bolt and barrel extension group to provide for increased strength, safety, and longevity. The DFX breech bolt system is designed to handle the rigors of high-volume, sustained fire applications.
The Benefits:
FightLite Industries’ revolutionary DFX upper receiver brings reliable and streamlined Dual-Feed technology to the ubiquitous AR platform with unprecedented reliability and ease of use. FightLite’s experience and proven track record delivering belt-fed excellence for over 2 decades have culminated in this latest innovation – merging AR-15 Modularity with enhanced flexibility, now more streamlined and accessible than ever.
The release of FightLite Industries’ revolutionary DFX Dual-Feed Upper Receiver Assembly reinforces FightLite® Industries’ commitment to pushing the boundaries of performance and innovation in the small arms space and delivering real-world solutions to its valuable customers. For tactical applications, training, and defense, the new patent-pending DFX Dual-Feed Upper gives professionals and enthusiasts the tools they need for reliable performance and operational flexibility in all field conditions.
No permanent modification is required to the lower receiver for installation which is accomplished in minutes, and everything necessary is included with the DF™ kit, which consists of a detailed Operator’s Manual, a powerful replacement recoil spring for reliable stripping of linked ammunition, a modified bolt catch for use with the DFX upper, and 100 brand new USGI M27 ammunition links to get you started.
100% Invented, Designed, and Made in our Great USA, our new DFX Dual-Feed upper is supported by a robust supply chain of in-stock spare parts and accessory items. It is further backed by an experienced design staff and professional shooters, machinists, and craftsmen who are particularly skilled in the art of accurate, sustained-fire weapon systems.
About FightLite Industries: FightLite Industries is a division of ARES Defense Systems Inc., a privately held company that designs and manufactures lightweight and technologically advanced firearms and firearm accessories for Military, Law Enforcement, US civilian shooters, and Foreign Governments.
Headquartered in the USA’s Space Coast in Melbourne, Florida, FightLite Industries is equipped with state-of-the-art CNC machining centers, 3-D solid-modeling and manufacturing CAD/CAM systems, a dedicated quality control department, and an experienced manufacturing and design team that is committed to developing and manufacturing superior products for its customers. Engineered and manufactured with the highest quality American-made materials, FightLite® products are produced on state-of-the-art CNC machining centers in an ultra-modern facility by a highly skilled workforce.
To make inquiries regarding potential business collaboration, product development, or product licensing opportunities with FightLite Industries, please email sales@FightLite.com
To inquire about employment opportunities with FightLite® Industries, please send your request and resume to: careers@FightLite.com
To learn more about FightLite® Industrie, visit www.FightLite.com. Follow FightLite® Industries on X @FightLite aand onInstagram @FightLite.USA.
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