Aero Precision M4E1 Enhanced Complete Upper, 20" 6.5 Grendel SS Barrel, EM-15 Gen 2 HG - Anodized Black - APAR640232M53

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.

Features:

• Laser engraved T-marks (Anodized only)
• Comes assembled, with port door and forward assist installed
• Accepts standard AR15/M16 components
• Handguard mounting platform is forged into the receiver
• Works with Aero Precision handguards but also fits most BAR-system handguards
• Enhanced Handguard Features:
• Built in Anti-Rotation tabs
• Scalloped rails
• Continuous top rail
• 1.78in inside diameter fits most muzzle devices and 1.5in suppressors
• Compatible with low profile gas blocks
• Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
• Additional milling along flats to aid with gripping and add visual appeal
• New profile for the continuous picatinny top rail

Specifications:

• Cartridge: 6.5mm Grendel
• Overall Length: 30 in
• Barrel Length: 20 in
• Barrel Profile: M4
• Gas System Length: Rifle Length
• Barrel Twist Rate: 1-8
• Threads per Inch: 5/8×24
• Handguard Type: Free-Float
• Muzzle Device: A2 Flash Hider
• Gun Model: AR-15
• Fabric/Material: 7075 T6 Aluminum
• Attachment/Mount Type: Picatinny
• Gas Block Journal Size-Diameter: .750 in
• Gun Rail: Picatinny
• Gun Make: AR Platform
• Weight: 70 oz
• Included Accessories: None
• Bolt Carrier Group Included: No
• Charging Handle Included: No
• Country of Origin: USA

Package Content:

• M4E1 Enhanced Assembled Upper Receiver
• Enhanced Handguard of choice
• 6.5 Grendel 20in Stainless Steel Rifle Length Barrel
• .750 Low Profile Gas Block and Rifle Length Gas Tube
• A2-style Flash Hider
• Product comes assembled