Mean Arms Bearing Delay 9mm Luger Assembled Upper Receiver

Description

Product Overview

The Mean Arms Bearing Delay 9mm Luger 4.5 inch assembled upper receiver brings a tunable ball bearing delayed action to the AR-15 platform. It’s built as a complete upper system intended to pair with your preferred AR lower while using standard AR-15 buffers, delivering the familiar handling of an AR with roller-delay-style performance characteristics that prioritize reliability and durability.

Key Features

• Tunable ball bearing delayed blowback system with a ball-bearing BCG for smooth, consistent cycling
• 4.5 inch barrel configuration threaded for a 1/2-28 muzzle device
• Slick side billet machined aluminum upper receiver with no forward assist
• Free-float hybrid handguard with a rigid high-strength polymer body and metallic insert overmolded in place
• Ambidextrous charging handle with steel and aluminum machined components
• Included recoil and muzzle flash reducing muzzle device with left-hand threaded jam nut (no crush washer required)

Build your 9mm AR around a purpose-built bearing delay upper with tunable operation and complete included components for a straightforward pairing with compatible lowers.