Davidson Defense Blemished IX w/Gauntlet Arms Brace 5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit

Blem IX 5 Inch AR-9 Full Build Kit 9mm Freefloat MLOK with Gauntlet Arms Brace

The IX AR-9 Full Build Kit is a complete pistol build package centered on a BC-9 5 inch PCC barrel made from 4150 CrMoV with a Phosphate finish, slim profile, and a 1:10 twist rate. The upper receiver is a billet design machined from 6061-T6 aluminum with a Type III hardcoat anodized finish, paired with a 7 inch MLOK freefloat handguard made from 6061-T6 aluminum finished in hardcoat anodized black. This kit includes a complete bolt carrier group, charging handle, and a Gauntlet Arms polymer stabilizing brace. This unit is a Blem item.

Key Features

• BC-9 5 inch PCC barrel, 4150 CrMoV, Phosphate finish, slim profile
• 1:10 twist rate, 1/2x36 thread pitch
• 9mm flash can, manganese phosphate finish, 1/2x36 thread
• Billet 6061-T6 aluminum upper receiver, Type III hardcoat anodized finish
• 7 inch MLOK freefloat handguard, 6061-T6 aluminum, hardcoat anodized black
• 9mm Nitride bolt carrier group, 8620 alloy steel
• Mil-Spec quality M4 charging handle
• Buffer weight 5.5 oz
• Gauntlet Arms polymer stabilizing brace, 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 group and brace in one kit

Barrel and Operation

This kit uses a BC-9 5 inch PCC barrel made from 4150 CrMoV with a Phosphate finish and a slim profile. The 1:10 twist rate is suited to 9mm bullet weights, and the 1/2x36 thread pitch matches the included flash can, finished in manganese phosphate. This build operates on a direct blowback system.

Upper Receiver and Handguard

The upper receiver is a billet design machined from 6061-T6 aluminum and finished in Type III hardcoat anodize. A 7 inch MLOK freefloat handguard made from 6061-T6 aluminum in hardcoat anodized black surrounds the barrel without contacting it, giving the upper assembly a compact exterior forend built for a short pistol length platform.

Bolt Carrier Group, Charging Handle, and Brace

The included bolt carrier group is made from 8620 alloy steel with a Nitride finish, paired with a buffer weighing 5.5 oz. A Mil-Spec quality M4 charging handle rounds out the upper side component set. A Gauntlet Arms polymer stabilizing brace in 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.