Luth-AR 24-inch Bull Barrel Complete Upper | .223/5.56

The Luth-AR 24-inch Fluted Bull Barrel Complete Upper is a factory-assembled AR-15 upper built around a 24-inch, fluted bull barrel in .223 REM/5.56 NATO. The assembly is built on an A3 flattop receiver and ships complete with a bolt carrier, charging handle, forward assist and ejection port cover. It uses a low-profile gas system and is finished with a 15-inch Palm Handguard featuring KeyMod slots and a Picatinny top rail.

This upper is well-suited for precision target work and varmint or small-game hunting where a longer, heavy-contour barrel aids consistency and heat management. It fits AR-15 pattern lowers and is intended for users assembling precision-oriented or long-range-capable AR platforms.

Product Specifications

• The manufacturer is Luth-AR.
• The model is the 24″ Bull Barrel Complete Upper.
• The caliber is listed as .223 REM/5.56 NATO.
• The barrel type is a Bull Barrel.
• The barrel length is 24 inches.
• The barrel material is 416 SST (stainless steel).
• The barrel features a 1:9 twist.
• The receiver is an A3 flattop design.
• The upper includes a Bolt Carrier Group and charging handle.
• The gas system is a low-profile gas system.
• The handguard is a 15-inch Palm Handguard with KeyMod and a Picatinny top rail.
• The product fitment is for the AR-15 platform.
• The product type is an Upper.
• The finish/color is Black.
• The UPC is 812058030164.

This complete upper delivers a purpose-built platform for shooters prioritizing barrel rigidity and thermal stability. The fluted 24-inch contour paired with a 15-inch KeyMod handguard gives builders a stable foundation for optics, precision work, or extended-range utility while keeping mounting options straightforward. The assembly ships ready to mate to any compatible AR-15 lower for a precision-oriented build or specialized rifle application.