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.
- 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