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F4 Defense

 AMERICAN PRIDE

APA® Little Bastard™ Muzzle Brake
22″ Proof Research® Carbon Fiber Barrel with CAMGAS System
Superlative Arms Adjustable Gas Block
15.8″ Adaptive Rail System Lite (ARS-L)
Flared Magwell
DPMS® GEN II Compatible
Trigger Tech® Adaptable AR Primary Trigger or Elftman Match Trigger
SF-10 Small Frame AR10 Billet Receiver Set
BAD Short-throw Selector Switch
XLR Industries TAC-Lite Buttstock (Optional)
Dual Integrated QD
Hydraulic Buffer and Flatware Buffer Spring
Accu-Shot Monopod (Optional)
Atlas PSR Bipod (Optional)
Lancer L7AWM Magazine
APA® Little Bastard™ Muzzle Brake
22″ Proof Research® Carbon Fiber Barrel with CAMGAS System
Superlative Arms Adjustable Gas Block
15.8″ Adaptive Rail System Lite (ARS-L)
Flared Magwell
DPMS® GEN II Compatible
Trigger Tech® Adaptable AR Primary Trigger or Elftman Match Trigger
SF-10 Small Frame AR10 Billet Receiver Set
BAD Short-throw Selector Switch
XLR Industries TAC-Lite Buttstock (Optional)
Dual Integrated QD
Hydraulic Buffer and Flatware Buffer Spring
Accu-Shot Monopod (Optional)
Atlas PSR Bipod (Optional)
Lancer L7AWM Magazine

Featured Rifle: Small Frame AR10

The F4 Defense SF-10 Small Frame AR10 is now available. DPMS® GEN II compatible, the SF-10 is a true Small-Frame AR-10 high-quality precision rifle chambered in a wide range of competition and hunting calibers.  Only at F4 will you find such a wide range of cartridges in an AR-10 Small Frame platform with the only SUB 1/2 MOA Guarantee in the industry.

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F4-ARS

ADAPTIVE RAIL SYSTEM

  • Material: Extruded 6061 T6 Aluminum
  • Finish: Hard Coat Anodized
  • Recessed Picatinny Quad Rail Functionality in a Streamlined Profile
  • Functionality: Compatible with M-LOK and M1913
  • Picatinny accessories without the need of rail adapters.
  • Length: 7, 9, 12 and 15 inches
  • Patent Pending
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ADAPTIVE RAIL SYSTEM

+ Material: Extruded 6061 T6 Aluminum
+ Finish: Hard Coat Anodized
+ Functionality: Compatible with M-LOK and M1913
+ Picatinny accessories without the need of rail adapters.
+ Length: 7, 9, 12 and 15 inches
+ Patent Pending

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AMERICAN QUALITY BUILT INTO EVERY COMPONENT

Quality, reliability, innovation, and accuracy—is just the starting line.

  • Select options

    Small Frame AR10 ARS/ARS-L Rail System (DPMS GEN2)

    $245.00
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    F4-15 AMBI Builder Set

    $575.00 – $625.00
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    F4-15 14.5″ Complete Upper w/ ARS-Lite

    $1,045.00
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    ARS-Lite Rail System

    $235.00
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    F4-15 Stripped Upper Receiver

    $210.00
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    F4-15 AMBI Matched Billet Receiver Set

    $455.00
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