Product Description
MCS AR-9 5-INCH PISTOL UPPER 1:10 9MM FREEFLOAT M-LOK HANDGUARD
The MCS 9mm AR-9 Upper Build Kit built around a compact 5-inch direct blowback platform. The kit centers on a 5-inch slim profile parkerized steel barrel with a 1:10 twist rate and 1/2x36 thread pitch, paired with a black 9mm A2 birdcage flash hider and a black crush washer. The 7075-T6 aluminum anodized upper receiver features M4 feed ramps, a forward assist, and an ejection port door with rod and spring, paired with a 4-inch slim-line freefloat M-LOK handguard in black featuring a full-length Picatinny top rail. BCG and charging handle are not included.
Platform: AR-9 PCC
Caliber: 9mm (9x19)
Barrel Length: 5"
Barrel Material: Steel
Barrel Finish: Parkerized
Barrel Profile: Slim Profile
Twist Rate: 1:10
Operating System: Direct Blowback
Thread Pitch: 1/2x36
Upper Receiver Type: AR-15 Upper Receiver
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Feed Ramp Style: M4 Feed Ramps
Handguard Length: 4"
Handguard Type: Free Float
Handguard Attachment System: M-LOK
Handguard Rail Configuration: Full-Length Picatinny Top Rail
Handguard Profile: Slim-Line
Handguard Color: Black
Muzzle Device Type: A2 Birdcage Flash Hider
Muzzle Device Caliber Compatibility: 9mm
Muzzle Device Thread Pitch: 1/2x36
Crush Washer Finish: Black
Forward Assist: Included
Ejection Port Cover: Included
Ejection Port Cover Components: Door, Rod, and Spring
