Mean Arms Bearing Delay 9mm Luger Upper Receiver Assembled 11 in Barrel

Description

Product Overview

The Mean Arms Bearing Delay 9mm Luger 11 in Assembled Upper Receiver is a complete AR-style upper system built around a ball bearing delayed blowback bolt carrier group. It’s designed to pair with the AR lower receiver of your choice and provides a tunable delay system while staying familiar to AR-15 handling and controls.

Key Features

• Ball bearing delayed blowback bolt carrier group for a tuned timing lockup and reliable cycling
• Tunable operation using included lifters to adjust the bearing actuation surfaces for different ammunition and setups
• Slick-side billet machined aluminum upper receiver with no forward assist
• Free-float hybrid handguard with a high-strength polymer body and permanently attached metallic insert
• Ambidextrous charging handle with mixed steel and aluminum components
• Includes an MA muzzle device that reduces recoil and muzzle flash with a left-hand threaded jam nut for installation without a crush washer

Complete and ready to build, this Mean Arms Bearing Delay 9mm upper receiver brings roller-delay-style benefits with AR-15 familiarity for your next 9mm platform project.