The DD 'Alligata' 16.5" AR-15 9mm Nitride Rifle Complete Upper Build is engineered for performance and reliability. Featuring a 16.5-inch barrel made from durable 4150 CrMoV steel with a nitride finish, this upper assembly is built to withstand rigorous use. The medium profile barrel has a 1:10 twist rate and is threaded at 1/2x36, allowing for compatibility with a 9mm A2 flash hider. The upper includes an ACE Series 15" MLOK freefloat handguard made from lightweight 6061-T6 aluminum, finished with a Type III hard coat anodized treatment in black, providing a sturdy platform for accessories. The bolt carrier, made from 416 stainless steel and also nitride finished, ensures smooth operation. Compatible with standard AR-15 lower receivers, this complete upper build offers versatility and exceptional performance for any gunsmith who values precision and functionality in their firearm setup.
Caliber: 9mm (9x19)
Barrel Length: 16.5-inch
Barrel Material: 4150 CrMoV
Barrel Finish: Nitride
Barrel Thread Pitch: 1/2x36
Barrel Profile: Medium
Barrel Twist Rate: 1:10
Platform: AR-9
Muzzle Device: 9mm Flash Hider A2 Bird Cage 1/2-36
Muzzle Thread Pitch: 1/2x36
Handguard: ACE Series 15" MLOK Freefloat Handguard
Handguard Length: 15-inch
Handguard Material: 6061-T6 Aluminum
Handguard Finish: Type III Hard Coat Anodized
Handguard Color: Black
Handguard Style: M-Lok
Bolt Carrier Material: 416 Stainless Steel
Bolt Carrier Finish: Nitride
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Charging Handle Material: Aluminum
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