FN 15 Military Collector M16A4 Upper Receiver 5.56mm
Authentic FN 15 Military Collector Series M16A4 upper receiver with 20-inch chrome-lined barrel, M16-style bolt carrier group, and Knight's Armament quad-rail system.
FN 15 Military Collector Series M16A4 Upper Receiver Assembly
This is a faithful reproduction of one of the most significant rifles in modern military history. FN USA has engineered this upper receiver assembly to meet both FN's and the U.S. military's exacting specifications, making it an ideal foundation for the serious collector or builder who appreciates authentic design.
Specifications
Barrel and Chamber:
- 20-inch barrel with 1:7 right-hand twist rate
- Chrome-lined for durability and corrosion resistance
- Chambered in 5.56x45mm NATO
- Button-broached construction ensures precision
Bolt Carrier Group:
- Complete M16-style MIL-SPEC bolt carrier group
- Bolt manufactured from Carpenter 158 steel
- HPT/MPI tested for reliability and quality assurance
Sights and Accessories:
- A2-style front sight with adjustable rear sight
- Knight's Armament M5RAS quad-rail system with adapter
- Authentic appearance matching original M16A4 configuration
Performance and Build Quality
The direct impingement rifle-length gas system delivers the proven reliability that made the M16 platform legendary. Every component is manufactured to military specifications, ensuring consistent performance whether you're building a collector's piece or a functional rifle.
Weight: 5.61 lbs.
This upper receiver pairs seamlessly with any M16-style lower receiver, making it the perfect choice for builders seeking historical authenticity combined with modern manufacturing standards.
