An AR-47 upper build assembly is a complete upper receiver unit. It fits AR-15 style rifles chambered in 7.62×39. Shooters commonly call this caliber the AR-47. The assembly includes the upper receiver and 7.62×39 barrel. It also features a handguard and gas system. Some configurations include a bolt carrier group and charging handle. This build pairs with AR-15 lower receivers. Builders can use it with 7.62×39 magazines and bolt carrier groups. Gunsmiths trust it for custom builds and caliber conversions.
