Aero Precision M4E1 Threaded Pro 5.56 NATO Complete Upper - 12.5”

This complete upper receiver assembly from Aero Precision is a great option for your next AR-15 build. It has a 12.5" CHF barrel, 10.3" Atlas R-One handguard, Pro 5.56 bolt carrier group, M4E1 threaded upper receiver, VG6 Delta flash hider, mid-length gas system, and ambidextrous BREACH charging handle with large lever.

The cold hammer forged barrel is known for its accuracy and durability, and the mid-length gas system provides a smooth and reliable cycling action. The Atlas R-One handguard is lightweight and features M-LOK slots for mounting accessories. The Pro 5.56 bolt carrier group is made from high-quality materials and is precision machined to ensure reliability. The BREACH charging handle is ambidextrous and features a large lever for easy manipulation.

Features:

• 12.5” CHF barrel chambered in 5.56 NATO
• 10.3” Atlas R-One handguard
• Pro 5.56 bolt carrier group
• M4E1 threaded upper receiver
• VG6 Delta flash hider
• Mid-length gas system
• Ambidextrous BREACH charging handle with large lever
• Anodized black finish
• Weight: 3 lbs 8.3 oz.

If you are looking for a high-quality complete upper receiver assembly for your next AR-15 build, the Aero Precision M4E1 Threaded Pro 5.56 NATO Complete Upper is a great option to consider.