The Foxtrot Mike Products FM-9 Complete 9x19mm Upper Receiver is built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The traditional M4 charging handle has been replaced with an ambidextrous, non-reciprocating forward charging handle. The monolithic style has been achieved with a proprietary interlock between the upper and handguard. The slim-line free float handguard is M-LOK compatible for your favorite lights, grips, and tactical accessories. The 7” barrel is made from durable 4150 chrome moly vanadium steel and has an FM Products forward blast diffuser attached.

Features:

  • Non-Reciprocating forward charging handle
  • Left or right side charging
  • Machined from premium 6061-T6 aluminum
  • Proprietary handguard / upper interlock keeps handguard true to the upper
  • M-LOK compatible handguard
  • FM Products blast diffuser made from 4340 steel and black Nitride finish
  • Limited lifetime warranty through Foxtrot Mike Products
  • Complete upper includes bolt carrier group and charging handle.
  • Compatible with a large variety of Glock magazine 9mm lower receivers

Manufacturers Note: For optimal reliability, FM Products does not recommend using aluminum case ammo in their uppers or complete firearms.