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Product Discontinued by Manufacturer
Aero Precision M4E1 Threaded 16.3in 5.56 CHF Mid-Length Barrel w/ATLAS R-ONE M-Lock Handguard Complete Upper Receiver w/ Flash Hider has been discontinued by Aero Precision and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!
Product Info for Aero Precision M4E1 Threaded 16.3in 5.56 CHF Mid-Length Barrel w/ATLAS R-ONE M-Lock Handguard Complete Upper Receiver w/ Flash Hider
This Upper Receiver is built around our 5.56 Cold Hammer Forged Barrel that is paired with our 5.56 BCG. Included ATLAS R-ONE Handguard, BREACH Charging Handle, and VG6 Delta muzzle device round this assembly out into a premium turnkey solution for your next build.![]()
Features of Aero Precision M4E1 Threaded 16.3in 5.56 CHF Mid-Length Barrel w/ATLAS R-ONE M-Lock Handguard Complete Upper Receiver  w/ Flash Hider:
- 16.3in 5.56 Cold Hammer Forged Barrel
- 5.56 Bolt Carrier Group
- M4E1 Threaded Upper Receiver - Kodiak Brown Anodized
- ATLAS R-ONE Handguard - Kodiak Brown Anodized
- VG6 Delta Flash Hider
- Mid-Length Gas System
- AR15 BREACH
Package Contents:
- Aero Precision M4E1 Threaded 16.3in 5.56 CHF Mid-Length Barrel w/ATLAS R-ONE M-Lock Handguard Complete Upper Receiver  w/ Flash Hider
Related Products to Aero Precision M4E1 Threaded 16.3in 5.56 CHF Mid-Length Barrel w/ATLAS R-ONE M-Lock Handguard Complete Upper Receiver w/ Flash Hider
Aero Precision M4E1 Threaded 16.3in 5.56 CHF Mid-Length Barrel w/ATLAS R-ONE M-Lock Handguard Complete Upper Receiver w/ Flash Hider Unavailable & Discontinued Models
List of Unorderable Models
- Aero Precision M4E1-T RM15 Complete Upper, 5.56 x 45, 16.3inch, Mid Length, 1-7 Twist, 1/2 x 28 Thread, Anodized, Kodiak Brown, APUG700401M103-1 , MPN: APUG700401M103-1 , UPC: 840014620913 , Code: 29D-URC-APMCU12-APUG700401M103-1







































































































































































































