M4E1 Threaded Complete Upper 20" 6.5 Grendel SS Barrel ATLAS R-ONE 15" M-LOK HG - Anodized Review

About M4E1 Threaded Complete Upper 20" 6.5 Grendel SS Barrel ATLAS R-ONE 15" M-LOK HG - Anodized

Aero Precision APAR700725M53: Upgrade the performance of your AR15 build with this 6.5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge, the 6.5 Grendel is ideal for those looking to stretch the legs of their AR15 rifle, with proven results at 1000+ yards. This complete upper includes Aero Precision’s new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Aero Precision’s proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. This upper assembly DOES NOT include a BCG or Charging Handle. Includes: M4E1 Threaded Assembled Upper Receiver 15″ ATLAS R-ONE Handguard 6.5 Grendel 20″ Stainless Steel, Rifle Length Barrel .750 Low Profile Gas Block and Rifle Length Gas Tube A2-style Flash Hider Product comes assembled The 6.5 Grendel is designed on the AR15 platform. You will need to purchase a 6.5 Grendel specific bolt and magazine. All other components are standard to the AR15 platform.

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