Foxtrot Mike 13.9″ Side Charging AR-15 Upper Receiver – .223 Wylde – Black

SKU: MIKE15-13.9U

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Foxtrot Mike 13.9″ Side Charging AR-15 Upper: Innovative Buffer-less Design in .223 Wylde

This cutting-edge AR-15 upper receiver from Foxtrot Mike combines innovative design with premium materials, offering a buffer-less system that enhances versatility and performance. Featuring a side-charging handle and a proprietary direct impingement recoil system, it’s compatible with folding and collapsible stocks.

Crafted with a 13.9″ match-grade barrel and mid-length gas system, this upper delivers excellent accuracy and reliability. Its sleek M-LOK handguard and 4-position charging handle provide modern ergonomics and customization options for discerning shooters.

Note: Compatible with mil-spec AR-15 lower receivers. A picatinny rail adapter is included for conversion to a buffer-less system.

Highlights:

  • Buffer-less design allows use with folding/collapsible stocks
  • Side-charging handle for improved ergonomics
  • Premium 41V50 match-grade barrel with melonite coating
  • Compatible with standard AR-15 lower receivers

Specifications

  • Brand: Foxtrot Mike
  • Model: 13.9″ Side Charging AR-15 Upper Receiver
  • MPN: MIKE15-13.9U
  • Caliber: .223 Wylde
  • Barrel Length: 13.9 inches
  • Barrel Twist: 1:8
  • Barrel Material: 41V50 Premium Match Grade, Melonite coated
  • Muzzle Device: A2 Flash Hider
  • Muzzle Thread: 1/2 x 28
  • Gas System: Mid-length
  • Upper Receiver: Billet Aircraft Aluminum, Type III Hard Black Anodizing
  • Handguard: 13.125″ M-LOK compatible, Type III Hard Black Anodizing
  • Charging Handle: 4-position front charge, non-reciprocating
  • Bolt: Proprietary, machined from pre-hard 4342, Melonite coated
  • Overall Length: 25 inches
  • Weight: 5.14 pounds
  • Operating System: Direct Impingement with integrated recoil system

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