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

Description 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 Additional information Weight 70 oz Dimensions 32 × 5 × 5 in Barrel Finish Nitride / Melonite Barrel Profile M4 Gas System Length Rifle Barrel Length 20 Cartridge Compatibility 6.5 Grendel Twist Rate 1-8 BCG / Charging Handle Not Included MPN APAR640232M53 UPC 840014603398