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FM Products Foxtrot Mike 6-Position Carbine Receiver Extension Assembly

FM Products 5.56 Rifle Receiver Extension Assembly, Black FM-5.56-RRE
FM Products 9mm Rifle Receiver Extension Assembly, Black FM-9-RRE
FM Products 5.56 Rifle Receiver Extension Assembly, Black FM-5.56-RRE
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FM Products 5.56 Rifle Receiver Extension Assembly, Black FM-5.56-RRE
FM Products 9mm Rifle Receiver Extension Assembly, Black FM-9-RRE
2 of 2 images
FM Products 9mm Rifle Receiver Extension Assembly, Black FM-9-RRE

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Product No Longer Available

Unfortunately FM Products Foxtrot Mike 6-Position Carbine Receiver Extension Assembly is not listed by OpticsPlanet.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Stocks, AR15 Lower Parts, AR15 Buffer Assemblies yourself to try and find the perfect replacement for you!

Product Info for FM Products Foxtrot Mike 6-Position Carbine Receiver Extension Assembly

FM Products Foxtrot Mike offers a comprehensive 5.56 6 Position Carbine Buffer Tube Kit for anyone doing a 5.56 AR Build. The 5.56image

Carbine Buffer Tube has a tough hard-coat anodized finish to resist corrosion and surface wear, with a dry film lube interior

coating that promotes smooth movement of the buffer inside. Inside, the kit comes standard with a Premium 5.56 Carbine

Buffer, and comes standard with a QD End Plate too!

Features of FM Products Foxtrot Mike 6-Position Carbine Receiver Extension Assembly:

  • Premium 6 Position 5.56 Carbine receiver Extension (Buffer Tube)
  • Comes standard with a Premium 5.56 Carbine Buffer
  • Premium S.S
  • 5.56 Carbine Recoil Spring
  • Buffer Tube made from 7075-T6 Aircraft Grade Aluminum
  • Standard with Premium QD mount End Plate
  • Premium Castle Nut included too.
  • made in specialized factories
  • Manufactured with ISO:9001 and AS:9100 quality certifications

Package Contents:

  • FM Products Foxtrot Mike 6-Position Carbine Receiver Extension Assembly

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FM Products Foxtrot Mike 6-Position Carbine Receiver Extension Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • FM Products 5.56 Rifle Receiver Extension Assembly, Black, FM-5.56-RRE , MPN: FM-5.56-RRE , Code: 3JR-BFA-19-FM-5-56-RRE
  • FM Products 9mm Rifle Receiver Extension Assembly, Black, FM-9-RRE , MPN: FM-9-RRE , Code: 3JR-BFA-19-FM-9-RRE
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Last updated 2026-08-06 UTC.