Product Description
MCS AR-9 6" INCH PISTOL UPPER 1:10 9MM FREEFLOAT TUBULAR M-LOK HANDGUARD
The MCS 9mm AR-9 Complete Upper is built around a compact 6-inch direct blowback platform. The kit centers on a 6-inch 4150 CrMoV steel barrel with a nitride finish, 1:10 twist rate, and 1/2x28 thread pitch, paired with a muzzle-mounted fake can.
The 7075-T6 aluminum hardcoat anodized upper receiver features M4 feed ramps, a forward assist, and an ejection port door assembly, paired with a 10-inch aluminum tubular freefloat M-LOK handguard with a 1.77-inch internal diameter and suppressor-ready clearance. A complete 9mm nitride bolt carrier group in 8620 alloy steel with an external extractor compatible with Glock and Colt pattern magazines, and a Mil-Spec AR-15 M4 charging handle complete the upper component set.
Caliber: 9mm (9x19)
Barrel Length: 6"
Barrel Material: 4150 CrMoV Steel
Barrel Finish: Nitride
Twist Rate: 1:10
Thread Pitch: 1/2x28 TPI
Handguard: 10" Tubular Free Float M-LOK Handguard
Handguard Material: Aluminum
Handguard Internal Diameter: 1.77"
Suppressor Ready: Yes
Upper Receiver: AR-15 Upper Receiver
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Hard Coat Anodized
Feed Ramps: M4 Feed Ramps
Muzzle Device: Muzzle Mounted Fake Can
Bolt Carrier Group: 9mm Nitride Bolt Carrier Group
BCG Material: 8620 Alloy Steel
BCG Compatibility: Glock and Colt Pattern Magazines
Extractor Type: External Extractor
Charging Handle: Mil-Spec AR-15 M4 Charging Handle
Ejection Port Cover: AR-15 .223/5.56 Ejection Port Door Assembly
Forward Assist: Mil-Spec Forward Assist Assembly
Platform: AR-9
