The AR-15 5.56/.223 16" Diamond Fluted Upper Assembly is a premium choice for left-handed shooters looking to upgrade their AR-15 platform. This upper assembly features a 16" 416 stainless steel HBAR barrel, which is diamond fluted for reduced weight and increased barrel stiffness. It is chambered in .223 Wylde, allowing you to shoot both 5.56 NATO and .223 Remington cartridges with ease. The 1:8 RH twist ensures optimal stability for a variety of projectile weights.
The left-hand slick side upper receiver is precision-machined from billet 7075-T6 aluminum, offering durability and a clean, streamlined look with no forward assist or dust cover. For added reliability, the assembly includes a carbine-length gas system, a low profile gas block, and a 12" M-LOK handguard that offers ample space for accessories while maintaining a lightweight profile.
Whether you're looking to enhance your rifle's accuracy, performance, or aesthetics, this 16" diamond-fluted upper is the perfect addition for left-handed shooters.
Barrel: 16" 416 stainless steel HBAR contour barrel, diamond fluted for weight reduction and barrel stiffness.
Chamber: .223 Wylde, compatible with 5.56 NATO and .223 Remington.
Twist Rate: 1:8 RH twist, optimized for various bullet weights.
Muzzle Device: Nitride muzzle brake with 1/2x28 threading and crush washer for superior muzzle control.
Upper Receiver: Left-hand billet A3 slick side, no forward assist or dust cover.
Gas System: Carbine-length gas system, with a low profile steel gas block and black hardcoat anodized finish.
Handguard: 12" Free-floating M-LOK rail, slim profile, made from 6061-T6 aircraft-grade aluminum, black anodized for durability.
Feed Ramps: M4 feed ramps for reliable feeding and cycling.
Tags: ar-15, 5.56/.223, 16 16", diamond, fluted, upper, assembly, left, hand, slick, side, receiver