FN M4A1 Block 1 Military Collector, semi-auto 14.7" carbine - Complete Upper

ships from our shop in 5 to 8 days (+/-)

FN M4A1 Block 1 Military Collector - Complete Upper Receiver Only

Military replica, made to the same specifications as the military-issue M4A1, however without the select fire feature.

This is a unique and great addition to anyone's military style collection.  And, what a name.  FN !


  • Anodized, flat-top receiver with MIL-STD 1913 rail (12 o'clock)
  • FN 14.7" chrome-lined, button-broached, 1:7-twist barrel with A2-style compensator, welded to 16"
  • Collapsible, 6-position with sling mount
  • Mil-spec M4 RAS Adapter rail with covers (Knights Armament, a military contractor) - 2 large for each side and 1 small for bottom
  • Mil Spec rear BUIS from Matech / Pictinny Engineering
  • FN milspec BCG with MPI/HP
  • FN milspec charging handle
  • factory installed side-sling swivel in the front A-frame FSB

The FN 15 rifle series is based on FN's semi-automatic, direct impingement platform for the 5.56x45mm, .223 Remington, and .300 AAC Blackout (7.62x35mm) cartridges, and offers something for everyone, whether the application is tactical, collector, or target/competition.

Charlie's offers FN and Colt SOCOM uppers. for Colt see these options:  Colt M4 SOCOM Upper and Colt M4 SOCOM factory Upper


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