The Luth-AR FTBL-B24M 24" Bull Compact Upper Barrel Receiver Assembly brings a precision-focused, bull-profile barrel together with a lightweight M-Lok handguard and A3 flattop upper. Its 24" fluted 416 stainless steel barrel, threaded 1/2x28, is built to deliver consistent accuracy while the black hardcoat anodized aluminum receiver keeps weight manageable and durability high.

This complete upper is ideal for shooters building an AR-15 style rifle dedicated to precise .223 Remington performance at the range or in competition. The low-profile gas system, extended handguard with accessory slots, and included bolt carrier group and charging handle make it a ready-to-pin solution for your compatible lower. It is a strong choice for target shooting, varmint work, and training sessions where repeatable hits and smooth handling matter, reflecting Luth-AR’s reputation for thoughtful design and dependable craftsmanship.

Key Features:

• Manufacturer: Luth-AR
• Model: FTBL-B24M 24" Bull Compact Upper
• Caliber: .223 Remington
• Barrel Length: 24"
• Barrel Description: Fluted bull, 416 stainless steel
• Receiver Material: Aluminum
• Receiver Finish: Black hardcoat anodize
• Style: M-Lok handguard
• Muzzle Threading: 1/2x28 TPI
• Twist Rate: 1:9" RH