Davidson Defense Blemished IX w/SBA3 Brace 8-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit

Blem IX 8 Inch AR-9 Full Build Kit 9mm Freefloat MLOK with SBA3 Brace

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.

Key Features

• 8.3 inch 9mm barrel, 4140 gun steel, Nitride finish, medium profile
• 1:10 twist rate, 1/2x36 thread pitch
• Billet 6061-T6 aluminum upper receiver, Type III hard coat anodized finish
• 7 inch MLOK handguard, 6061-T6 aluminum, black, Type III hard coat anodized finish
• Mil-Spec quality charging handle
• Bolt carrier, 8620 alloy steel, Nitride finish
• SB Tactical SBA3 adjustable pistol stabilizing brace, polymer, black
• Blem

Perfect For

• Builders assembling a 9mm AR-9 pistol platform at a Blem price
• Shooters wanting a billet upper paired with a freefloat MLOK handguard
• Builders looking for a matched bolt carrier and brace in one kit

Barrel and Operation

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.

Upper Receiver and Handguard

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.

Bolt Carrier, Charging Handle, and Brace

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.