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RECENT POSTS

Small Frame AR10 vs. Full Size AR10: What’s the difference? January 13, 2019
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Which Caliber Would you Choose? October 21, 2018
F4 Defense .224 Valkyrie Release and Small Frame .308 Update! September 8, 2018

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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