Mean Arms Bearing Delay 9mm Upper Receiver 7.5 inch

Description

Product Overview

The Mean Arms Bearing Delay 9mm Luger 7.5 inch assembled upper receiver is a complete AR-15-style upper designed to pair with your chosen AR lower while using a ball-bearing delay system for reliable operation with low recoil. It features a slick-side billet machined aluminum upper, a free-float hybrid handguard, and an ambidextrous charging handle, along with included ejectorless EndoMags for consistent cycling. The 7.5 inch barrel is threaded for 1/2-28 muzzle devices and uses standard AR-15 buffers.

Key Features

• Ball-bearing delay system designed for reliable lockup and delayed operation using a tunable lifter setup
• Includes 2 lifters for tuning based on ammunition type, barrel length, and suppressor use
• 9mm AR platform configuration compatible with milspec AR-15 lowers and dedicated pistol-magazine lowers
• No forward assist for a slick-side billet upper receiver build
• Free-float hybrid handguard with a high-strength polymer body and metallic insert
• Ambidextrous charging handle with steel and aluminum components included

Build a tuned 9mm AR setup with the Mean Arms Bearing Delay 7.5 inch assembled upper—ready to pair with your preferred AR lower and accept standard 1/2-28 muzzle devices.