FOXTROT MIKE FM PRODUCTS AR-15 9MM Complete Side Charging UPPER - 7" (Rainier Arms Exclusive)

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:

• Machined from premium 6061-T6 aluminum
• Proprietary handguard / upper interlock keeps handguard true to the upper
• 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
• 8.8" M-LOK compatible handguard
• 7" Premium Match Grade 41V50 Barrel w/ QPQ (1/2X36)
• Proprietary Flash Comp
• Metal Folding Paratrooper Charging Handle

Specifications:

• Thread pitch: 1/2x36
• Twist rate: 1-10

FM Products does not support:

• Aluminum cased ammunition
• non factory import magazines
• Spikes 9mm Glock Lowers