Upgrade your AR-15 with the 24” Bull Barrel .223 Wylde 1:8 Spiral Fluted Two-Tone Stainless AR-15 Upper. Designed for precision, accuracy, and durability, this custom upper assembly is perfect for marksmen, varmint hunters, and long-range shooters looking for superior performance and distinctive aesthetics.
- .223 Wylde chamber (optimized for both 5.56 NATO and .223 Remington)
- 24” 415R Stainless Spiral Fluted AR-15 Barrel, Nitride Two-Tone finish
- .936 Low-profile gas block
- Rifle-length gas system
- 15” M-LOK Free Float Handguard
- 7075-T6 Mil-Spec Aluminum AR-15/M4 Upper Receiver, anodized black
- M4 feed ramps
- Forward assist & dust cover
Custom Assembly:
This AR-15 upper is built to order. You may add a BCG and charging handle from the options menu. If selected, we will check headspace and test fire your upper before shipping.
Key Features
- Barrel: 24-inch 415R stainless steel barrel with spiral fluting, .223 Wylde chamber, optimized for accuracy with both 5.56 NATO and .223 Rem ammo.
- Finish: Two-tone nitride finish for durability, corrosion resistance, and striking visual appeal.
- Gas System: Rifle-length system with a .936 low-profile gas block ensures reliable cycling and smoother recoil.
- Handguard: 15-inch M-LOK free-float handguard for accessories, bipods, and optics while improving accuracy.
Why Choose This AR-15 Upper?
This upper receiver assembly blends precision engineering with an aggressive, stylish design. The spiral fluted stainless barrel not only reduces weight but also improves cooling and heat dissipation during extended firing sessions. With its .223 Wylde chamber, it delivers match-grade accuracy while retaining full compatibility with both 5.56 and .223 ammunition. Perfect for long-range shooting, competition, or predator hunting.
Pair this upper with one of our AR-15 lowers to complete your build, or check out our AR-15 complete uppers for more options.
Explore our other AR-15 barrels and .223 Wylde uppers for similar builds.
✅ Order today from Midstate Firearms — your trusted source for AR-15 uppers, barrels, and precision rifle components.
