DESCRIPTION

Why build an AR-15 from the ground up when you can get a head start with this upper from Fox Trot Mike Products? The FM AR-15 upper receiver assembly comes with a large assortment of features and improvements over standard AR platform uppers. The monolithic upper and handguard are attached via a proprietary locking system to ensure that it doesn’t loosen over time. This free float rail also uses the M-LOK system, so you can attach your favorite lights, grips, or other accessories. Underneath the M-LOK handguard is a 16” 4150 chrome moly barrel. This complete AR-15 upper receiver group is a great option if you want to quickly assemble an AR-15 for home defense or the range.

FEATURES

• 16” .223 Wylde barrel with FM products 4-port Micro muzzle brake
• .223 Wylde chambering
• 1:8 Twist rate
• Lightweight barrel profile
• 41v50 Barrel steel
• 15” M-LOK free float handguard
• Mid-length gas system
• 625″ Patent pending fail-proof gas block
• Proprietary handguard / upper interlock keeps handguard true to the upper
• Handguard and upper made from a billet of 6061-T6 aluminum

SPECIFICATIONS

• Barrel Coating: Salt Bath Nitride
• Barrel Contour: Lightweight
• Barrel Length: 16
• Barrel Lining: Salt Bath Nitride
• Barrel Material: 41V50 Chrome Moly Vanadium Steel
• Brand: Foxtrot Mike Products
• Caliber Gauge: .223 Wylde
• Color: Black
• Finish: Hardcoat Anodized
• Gas System Length: Mid-Length
• Gas System Type: Direct Impingement
• Handguard: 15 in Freefloat Rail
• Muzzle Device: Muzzle Brake
• Thread Pattern:1/2 X 28
• Twist Rate: 1:8