NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.
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 side charging
Machined from premium 6061-T6 aluminum
Proprietary handguard / upper interlock keeps handguard true to the upper
M-LOK compatible handguard
Factory installed blast diffuser
Limited lifetime warranty through Foxtrot Mike Products
Complete upper includes bolt carrier group and charging handle
Mounts to virtually any Glock compatible lower receiver including Angstadt Arms, New Frontier Armory, Palmetto State Armory, and Quarter Circle 10.