Davidson Defense Komet 8.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Alcatraz Plan B Flash Hider

Komet 8.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-LOK Pistol Upper Build Kit, Plan B Alcatraz Flash Hider

The Komet is a 5.56 NATO AR-15 Upper Build Kit built around a compact 8.5-inch pistol-length gas platform. The kit centers on an 8.5-inch M4 contour parkerized barrel with a 1:7 right-hand twist rate and 1/2x28 thread pitch, paired with the Delta Team Tactical Plan B Alcatraz flash hider in black nitride 17-4 H1150 stainless steel and a black 1/2-inch crush washer. A micro low-profile steel gas block at 0.750 diameter and a pistol-length stainless steel gas tube are included on the front end. The 7075-T6 aluminum hardcoat anodized upper receiver features M4 feed ramps, a forward assist, and an ejection port door assembly, paired with a 7-inch Super Light Series freefloat M-LOK handguard in black. BCG and charging handle are not included.

Key Features

• 8.5-inch M4 contour parkerized barrel, 1:7 right-hand twist, 1/2x28 thread pitch, 5.56 NATO
• Pistol-length gas system
• Pistol-length stainless steel gas tube
• Micro low-profile steel gas block, 0.750
• Delta Team Tactical Plan B Alcatraz flash hider, black nitride 17-4 H1150 stainless steel, 1/2x28, black 1/2-inch crush washer included
• 7075-T6 aluminum upper receiver, hardcoat anodized, M4 feed ramps, forward assist, ejection port door assembly
• 7-inch Super Light Series freefloat M-LOK handguard, black
• BCG and charging handle not included
• Plan B Alcatraz flash hider supports modular suppressor mounting ecosystems

Perfect For

• Builders sourcing a compact 5.56 NATO AR-15 pistol upper build kit with an 8.5-inch parkerized M4 contour barrel, 7075-T6 hardcoat anodized upper receiver with forward assist, Delta Team Tactical Plan B Alcatraz flash hider, and 7-inch Super Light Series freefloat M-LOK handguard, pairing it with their own bolt carrier group and charging handle
• Shooters building a compact 8.5-inch pistol-gas 5.56 NATO platform who prefer to select their own BCG while having the parkerized M4 contour barrel, hardcoat anodized upper receiver with M4 feed ramps and forward assist, Plan B Alcatraz flash hider, and Super Light Series freefloat M-LOK handguard covered in one kit
• AR-15 pistol builders who want a 5.56 NATO upper build kit with a Plan B Alcatraz flash hider supporting modular suppressor mounting and a 7-inch Super Light Series freefloat M-LOK handguard without sourcing components separately

Barrel and Plan B Alcatraz Flash Hider

The 8.5-inch M4 contour barrel is chambered in 5.56 NATO with a parkerized finish, 1:7 right-hand twist rate, and 1/2x28 thread pitch, which matches the included Delta Team Tactical Plan B Alcatraz flash hider. The Plan B Alcatraz flash hider is 17-4 H1150 stainless steel with a black nitride finish and supports modular suppressor mounting ecosystems. A black 1/2-inch crush washer, a micro low-profile steel gas block at 0.750 diameter, and a pistol-length stainless steel gas tube cover the front end gas configuration on this pistol-length platform.

Upper Receiver and Handguard

The 7075-T6 aluminum upper receiver carries a hardcoat anodized finish with M4 feed ramps, a forward assist, and an ejection port door assembly. The 7-inch Super Light Series freefloat M-LOK handguard is black with M-LOK attachment points along the body for accessory mounting. These two components define the exterior structure of the upper assembly on this AR-15 pistol platform.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. BCG and charging handle are not included.