The FightLite DFX Upr 556 Pic 12.5" Blk Drop-On Upper Receiver Group brings belt-fed capability to your standard AR15 platform in a compact, purpose-built package. Designed around a heavy-duty, free-floating fixed barrel and a slimline Picatinny rail handguard, this upper combines gas-piston operation with a pusher-rod system to deliver smooth, reliable cycling with both linked and magazine-fed ammunition.

This DFX model is chambered for 223 Remington/5.56 NATO and features a 12.5" barrel optimized for maneuverability while maintaining dependable performance. It mounts directly to any MIL-Spec AR15/M16 or M4 lower receiver without permanent modification, and accepts STANAG pattern magazines, M27 belt-fed links, and compatible 100/200 round SAW drums. Whether you are building a unique range setup or exploring advanced training configurations, the DFX showcases FightLite’s focus on innovation and thoughtful engineering.

Key Features:

• Manufacturer: FightLite
• Model: DFX
• Caliber: 223 Remington/5.56 NATO
• Barrel Length: 12.5"
• Operating System: Gas-Piston & Pusher-Rod
• Action: Closed Bolt
• Color: Black
• Compatibility: Fits MIL-Spec AR15/M16/M4 Lower Receivers
• Magazine Compatibility: STANAG Magazines, M27 Links, 100/200 Round SAW Drums
• Included Accessories: (100) M27 Links