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Luth-Ar
The Luth-AR 24" Bull Barrel Complete Upper Assembly in .223 Remington gives you a precision-ready upper receiver built from quality components and engineered for shooters who demand accuracy. This is a complete, assembled upper—bolt carrier, charging handle, and all—so you can pair it with your lower receiver and get to work. The 24-inch fluted bull barrel is machined from 416 stainless steel with a 1-in-9 twist, designed for stable, consistent shot placement across a wide range of .223 loads, whether you're zeroing at the range or hunting varmint and small game.
The upper features an A3 flattop receiver with integral Picatinny rail, giving you unlimited optic mounting options. A low-profile gas system keeps recoil impulse predictable, while the ergonomic 15-inch palm handguard with KeyMod attachment points and vented design lets you customize your setup without weight penalty. The forward assist and spring-loaded ejection port cover come standard—the details that separate a serious rifle from a cobbled-together one.
Fluted barrel design isn't just for looks; it reduces overall weight while maintaining the rigidity of a bull barrel profile, a smart balance for shooters who need accuracy without carrying extra pounds on long days. Whether you're a long-range enthusiast, competitive shooter, or someone building a precision .223 rifle from the ground up, this complete upper eliminates guesswork and gets you to the range faster.
| Caliber | .223 Remington |
| Barrel Length | 24 inches |
| Barrel Profile | Fluted bull barrel |
| Barrel Material | 416 stainless steel |
| Twist Rate | 1 in 9 inches |
| Receiver Type | A3 flattop |
| Handguard | 15-inch palm handguard with KeyMod and Picatinny top rail |
| Gas System | Low-profile |
| Included Components | Bolt carrier, charging handle, forward assist, ejection port cover |
| Barrel Threading | Threaded |
This is an AR-15 pattern upper assembly. It's compatible with any standard AR-15 lower receiver. Since it's a complete upper, you only need to source a stripped or completed lower to have a functional rifle.
Yes. The 24-inch barrel comes threaded, so you can attach a suppressor, muzzle brake, flash hider, or other threaded accessories.
You get the complete upper receiver, 24-inch fluted bull barrel, bolt carrier group, charging handle, forward assist, ejection port cover, handguard with barrel nut, and the gas tube assembly. It arrives fully assembled and ready to attach to a lower receiver.
Bull barrels are built for precision. The 24-inch length and fluted design give you a rigid platform and good velocity for .223 loads, ideal for target shooting and precision applications. Exact performance depends on your optic, ammunition, and shooting technique.
Luth-Ar
The Luth-AR 24" Bull Barrel Complete Upper Assembly in .223 Remington gives you a precision-ready upper receiver built from quality components and engineered for shooters who demand accuracy. This is a complete, assembled upper—bolt carrier, charging handle, and all—so you can pair it with your lower receiver and get to work. The 24-inch fluted bull barrel is machined from 416 stainless steel with a 1-in-9 twist, designed for stable, consistent shot placement across a wide range of .223 loads, whether you're zeroing at the range or hunting varmint and small game.
The upper features an A3 flattop receiver with integral Picatinny rail, giving you unlimited optic mounting options. A low-profile gas system keeps recoil impulse predictable, while the ergonomic 15-inch palm handguard with KeyMod attachment points and vented design lets you customize your setup without weight penalty. The forward assist and spring-loaded ejection port cover come standard—the details that separate a serious rifle from a cobbled-together one.
Fluted barrel design isn't just for looks; it reduces overall weight while maintaining the rigidity of a bull barrel profile, a smart balance for shooters who need accuracy without carrying extra pounds on long days. Whether you're a long-range enthusiast, competitive shooter, or someone building a precision .223 rifle from the ground up, this complete upper eliminates guesswork and gets you to the range faster.
| Caliber | .223 Remington |
| Barrel Length | 24 inches |
| Barrel Profile | Fluted bull barrel |
| Barrel Material | 416 stainless steel |
| Twist Rate | 1 in 9 inches |
| Receiver Type | A3 flattop |
| Handguard | 15-inch palm handguard with KeyMod and Picatinny top rail |
| Gas System | Low-profile |
| Included Components | Bolt carrier, charging handle, forward assist, ejection port cover |
| Barrel Threading | Threaded |
This is an AR-15 pattern upper assembly. It's compatible with any standard AR-15 lower receiver. Since it's a complete upper, you only need to source a stripped or completed lower to have a functional rifle.
Yes. The 24-inch barrel comes threaded, so you can attach a suppressor, muzzle brake, flash hider, or other threaded accessories.
You get the complete upper receiver, 24-inch fluted bull barrel, bolt carrier group, charging handle, forward assist, ejection port cover, handguard with barrel nut, and the gas tube assembly. It arrives fully assembled and ready to attach to a lower receiver.
Bull barrels are built for precision. The 24-inch length and fluted design give you a rigid platform and good velocity for .223 loads, ideal for target shooting and precision applications. Exact performance depends on your optic, ammunition, and shooting technique.
