The Closer 16-inch AR-9 9MM Rifle Complete Upper Build from Davidson Defense features a 16-inch H-BAR barrel constructed from 4150 Chrome Moly Vanadium with a Nitride finish and a 1:10 twist rate. The upper receiver is made from Billet 6061-T6 Aluminum, Type III Hardcoat Anodized, while the 15-inch free float Quad Rail handguard, crafted from Aircraft-Grade Aluminum, offers ample attachment options with its Picatinny rail system. The upper comes equipped with a Mil-Spec AR-9 charging handle and a 416 Stainless Steel bolt carrier group, also finished in Nitride. Completing the assembly is an A2 Birdcage muzzle device for recoil management.
Platform: AR-9
Caliber: 9mm (9x19)
Barrel Length: 16 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Nitride
Barrel Profile: H-Bar
Twist Rate: 1:10
Thread Pitch: 1/2x36
Receiver Material: Billet 6061-T6 Aluminum
Receiver Finish: Type III Hardcoat Anodized
Handguard Material: Aircraft-Grade Aluminum
Handguard Color: Black
Handguard Style: Free Float Quad Rail
Handguard Length: 15 inches
Attachment System: Picatinny / Quad Rail
Muzzle Device Type: A2 Birdcage
Muzzle Device Ports: 5
Muzzle Device Finish: Stainless
Charging Handle: Mil-Spec AR-9 Charging Handle
Bolt Carrier Material: 416 Stainless Steel
Bolt Carrier Finish: Nitride
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