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. Lastly, the slim-line handguard is M-LOK compatible for your favorite accessories.

Features:

  • Non-reciprocating fixed forward charging handle
  • Left or right charging
  • Machined from premium 6061-T6 aluminum.
  • Proprietary handguard / upper interlock keeps handguard true to the upper
  • M-LOK compatible handguard
  • Limited lifetime warranty through Foxtrot Mike Products
  • Complete upper includes bolt carrier group and charging handle.
  • FM Muzzle Brake
  • Compatible with Glock magazines