Product Description
MCS AR-9 5-INCH 9MM PISTOL BUILD KIT 1:10 FREEFLOAT M-LOK HANDGUARD W/FIN BRACE
The MCS 9mm AR-9 Full Build Kit is 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 USA-made MCS Series slick side billet aluminum upper receiver features an ejection port door assembly and no forward assist housing, paired with a 4-inch Ace Series freefloat M-LOK handguard in aluminum. 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 side. The lower hardware includes a complete Mil-Spec AR-15 lower parts kit, a heavy-duty AR-15 pistol buffer tube, an AR-15 9mm carbine buffer, a USA-made standard AR-15 carbine recoil spring, an AR-15 M16 Mil-Spec end plate, and an AR-15 carbine castle nut. The Gauntlet Arms polymer stabilizing brace in black is 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 Pattern: 1/2x36
Muzzle Device: MCS 9mm A2 Birdcage Flash Hider
Muzzle Device Thread Pattern: 1/2x36
Crush Washer: Included, Black Finish
Upper Receiver: MCS Series AR-15 Slick Side Billet Upper Receiver
Upper Receiver Material: Billet Aluminum
Upper Receiver Features: USA Made, Slick Side Design
Handguard Length: 4"
Handguard Type: MCS Series Free Float M-LOK Handguard
Handguard Material: Aluminum
Ejection Port Cover: AR-15 Ejection Port Door Assembly Included
Bolt Carrier Group: MCS 9mm Nitride Bolt Carrier Group
BCG Material: 8620 Alloy Steel
BCG Finish: Nitride
BCG Features: External Extractor, Compatible with Glock and Colt Pattern Magazines
Charging Handle: AR-15 M4 Mil-Spec Charging Handle
Lower Parts Kit: Complete Mil-Spec AR-15 Lower Parts Kit
Buffer Tube: Heavy Duty AR-15 Pistol Buffer Tube
Buffer: AR-15 9mm Carbine Buffer
Buffer Spring: Standard AR-15 Carbine Recoil Spring, Made in USA
Receiver End Plate: AR-15 M16 Mil-Spec End Plate
Castle Nut: AR-15 Carbine Castle Nut
Brace: Polymer Stabilizing Brace
Brace Color: Black
Color: Black
