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F4 Defense started with one goal; design small arms for the Military, LE, and civilian markets that are pushing the envelope in engineering and innovation in the Spirit of straight up Americanism.

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Products
- Rifles
  - F4-15
  - SF-10
- Receivers
  - F4-15
- Parts
- Optics
  - Nightforce
- Gear
  - Tees
  - Sweatshirts
  - Hats
Military / LE
Global Services
Airsoft
Dealers
Media