Bushmaster 20″ .223/5.56 Upper Assembly

If you’re building an AR-15 or need to replace an upper, this Bushmaster 20-inch assembly is a straightforward option. It’s a good fit for someone putting together a longer-range rifle for coyote hunting around the Trans-Pecos, or just wants an accurate upper for the range. The 1×8 twist rate stabilizes heavier bullets, which is useful on the windy plains.

Bushmaster 20″ .223/5.56 Upper Details

• Barrel Length: 20 inches
• Caliber: .223 Remington / 5.56mm NATO – the chamber is designed to reliably handle both.
• Twist Rate: 1×8 inches. This is a common twist rate for .223/5.56 and works well with a wide range of bullet weights.
• Barrel Type: Fluted, extra-heavy, button-rifled. Fluting helps reduce weight and improve heat dissipation.
• Crown: 11-degree competition crown. Designed to minimize recoil and improve accuracy.
• Profile: 1-inch diameter heavy profile under the handguard. Provides rigidity and helps with consistent accuracy.
• Handguard: Vented tubular aluminum free-float forend with a bipod stud. The free-float design helps eliminate barrel vibration for better accuracy, and the stud allows you to easily mount a bipod for supported shooting.
• Finish: Black
• Includes: Bolt, bolt carrier group (BCG), and charging handle. Everything you need to get this upper running.

This Bushmaster upper is a solid choice for building an accurate and reliable AR. It’s a good value for the features and quality you get. Whether you’re planning a longer-range hunting rifle, a precision target gun, or just want a dependable upper for home defense, this Bushmaster setup delivers.

FFL Transfer & Shipping: We ship firearm parts and uppers directly to your door within Texas, provided we receive a copy of your valid Texas Driver’s License and confirmation of your FFL. For out-of-state shipments, we will ship to a registered FFL dealer of your choice. Please contact us with any questions regarding FFL transfers and shipping procedures.