Product Description
AR-9 5-INCH 9MM PISTOL BUILD KIT 1:10 FREEFLOAT M-LOK HANDGUARD W/SBA5 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 BC-9 PCC slim profile parkerized 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 Series slick side billet aluminum upper receiver features an ejection port door assembly, paired with a 4-inch Ace Series freefloat M-LOK handguard. 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 with a Mil-Spec A2 grip in black, a heavy-duty 6-position black aluminum Mil-Spec carbine buffer tube, a 9mm carbine buffer, a USA-made standard carbine recoil spring, an AR-15 M16 Mil-Spec receiver end plate, and an AR-15 carbine castle nut. The SB Tactical SBA5 adjustable pistol stabilizing brace in black is included.
Platform: AR-9
Caliber: 9mm (9x19)
Barrel Length: 5"
Barrel Model: MCS BC-9 PCC Barrel
Barrel Profile: Slim Profile
Barrel Finish: Parkerized
Twist Rate: 1:10
Operating System: Direct Blowback
Thread Pitch: 1/2x36
Muzzle Device Type: MCS A2 Birdcage Flash Hider
Muzzle Device Caliber: 9mm
Muzzle Device Thread Pitch: 1/2x36
Crush Washer Finish: Black
Upper Receiver Model: MCS Slick Side Billet Upper Receiver
Upper Receiver Material: Billet Aluminum
Upper Receiver Style: Slick Side
Upper Receiver Origin: Made in USA
Ejection Port Cover: AR-15 .223/5.56 Ejection Port Door Assembly
Handguard Model: MCS Free-Float Handguard
Handguard Length: 4"
Handguard Type: Free Float
Handguard Attachment System: M-LOK
Bolt Carrier Group Type: 9mm Nitride BCG
Bolt Carrier Group Material: 8620 Alloy Steel
Bolt Carrier Group Finish: Nitride
Extractor Type: External Extractor
Magazine Compatibility: Glock and Colt Pattern Magazines
Charging Handle Type: MCS AR-15 M4 Charging Handle
Charging Handle Specification: Mil-Spec
Lower Parts Kit: MCS Complete Mil-Spec AR-15 Lower Parts Kit
Lower Parts Kit Includes FCG: Yes
Grip Model: Mil-Spec A2 Grip
Grip Color: Black
Buffer Tube Type: Heavy-Duty 6-Position Carbine
Buffer Tube Material: Aluminum
Buffer Tube Color: Black
Buffer Compatibility: Mil-Spec
Recoil Buffer Type: 9mm Carbine Buffer
Buffer Length: Carbine Length
Recoil Spring Type: Standard Carbine Recoil Spring
Recoil Spring Origin: Made in the USA
Receiver End Plate: AR-15 M16 Mil-Spec Receiver End Plate
Castle Nut Type: AR-15 Carbine Castle Nut
Brace Model: SB Tactical SBA5 Pistol Stabilizing Brace
Brace Color: Black
Brace Style: Adjustable
