The IX AR-9 Full Build Kit is a complete pistol build package centered on an 8.3 inch 9mm barrel made from 4140 gun steel with a Nitride finish and a medium profile, carrying a 1:10 twist rate. The upper receiver is a billet design machined from 6061-T6 aluminum with a Type III hard coat anodized finish, paired with a 7 inch MLOK handguard made from 6061-T6 aluminum in black with a Type III hard coat anodized finish. This kit includes a bolt carrier, charging handle, and an SB Tactical SBA3 adjustable pistol stabilizing brace. This unit is a Blem item.
This kit uses an 8.3 inch 9mm barrel made from 4140 gun steel with a Nitride finish and a medium profile. The 1:10 twist rate is suited to 9mm bullet weights, and the 1/2x36 thread pitch accepts standard 9mm muzzle devices. This build operates on a blowback system.
The upper receiver is a billet design machined from 6061-T6 aluminum and finished in Type III hard coat anodize. A 7 inch MLOK handguard made from 6061-T6 aluminum in black with a Type III hard coat anodized finish surrounds the barrel without contacting it, giving the upper assembly a compact exterior forend built for a short pistol length platform.
The included bolt carrier is made from 8620 alloy steel with a Nitride finish. A Mil-Spec quality charging handle rounds out the upper side component set. An SB Tactical SBA3 adjustable pistol stabilizing brace in polymer and black is included as part of this build kit.
Follow safe handling and manufacturer instructions.
Ensure compliance with all applicable federal, state, and local laws.
This item is a Blem unit. No performance impact is implied.
Component specifications are subject to the details provided in this listing.
Caliber: 9mm (9x19)
Barrel Length: 8.3 inches
Barrel Material: 4140 Gun Steel
Barrel Profile: Medium
Barrel Twist Rate: 1:10
Barrel Thread Pitch: 1/2x36
Barrel Finish: Nitride
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Handguard Length: 7 inches
Handguard Finish: Type III Hard Coat Anodized
Upper Receiver Material: Billet 6061-T6 Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Bolt Carrier Material: 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Charging Handle: AR-15 Mil-Spec Charging Handle
Pistol Brace: SB Tactical SBA3 Adjustable Pistol Stabilizing Brace
Pistol Brace Material: Polymer
Pistol Brace Color: Black
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