The FN America FN15 Military Collector Model Stripped Lower is a top-tier foundation for building a custom AR-style rifle. Designed to mirror the M4 lower receivers used by military forces, this stripped lower brings battle-tested durability and precision engineering to civilian rifle builds. Whether you’re constructing a tactical rifle, competitive shooting platform, or home defense firearm, FN America’s reputation for military-grade performance and reliability makes this lower receiver an excellent choice.


Key Features:

✔ Authentic M4 Military Collector Design – Built to the same high standards as military-issued M4 lower receivers.
✔ Premium FN America Manufacturing – FN is renowned worldwide for producing firearms used by armed forces.
✔ Stripped Lower Configuration – Provides a versatile base for custom rifle builds.
✔ High-Quality 7075-T6 Aluminum Construction – Ensures strength, longevity, and durability.
✔ Black Anodized Finish – Offers enhanced corrosion resistance and durability while maintaining a stealthy aesthetic.
✔ Multi-Caliber Compatibility – Designed for 5.56 NATO and .223 Remington, allowing flexibility in ammunition selection.
✔ Precision Machining – Engineered for perfect fitment with Mil-Spec components and uppers.


Specifications:

  • Manufacturer: FN America
  • Model: FN15 Military Collector Model
  • Type: Stripped Lower Receiver
  • Action: Semi-Automatic
  • Caliber Compatibility: 5.56 NATO / .223 Remington
  • Material: 7075-T6 Aluminum
  • Finish: Black Anodized
  • Color: Black
  • Weight: Lightweight yet durable for optimal rifle performance
  • Subcategory: Lower Receivers
  • Manufacturer Part Number: 20-100821
  • UPC: 845737017361
Caliber

223, 300AAC, 5.56

Color/Pattern

Black

Firearm Type

Stripped Receiver

Manufacturer

FN

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