Upgrade the performance of your AR15 build with this 6.5 Grendel Assembled 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 assembled upper includes Aero Precisions 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 Precisions 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.
Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS R-ONE Handguard of choice
- 6.5 Grendel 18" 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. This upper assembly DOES NOT include a BCG or Charging Handle.
M4E1 Threaded Upper Receiver Features:
- New enhanced forging that gives the upper receiver a "billet look"
- New picatinny profile that blends seamlessly with Aero's Enhanced Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist installed
ATLAS R-ONE Handguard Features:
- Full top picatinny rail for optional attachments
- Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
- Compatible with low profile gas blocks
- 1.3” Inside diameter
- 1.5” Outside diameter
- Compatible with mil-spec AR15 upper receivers and barrels
6.5 Grendel 18" Stainless Steel, Rifle Length Barrel Features:
- 6.5 Grendel 18" Rifle Length Barrel
- 416R Stainless Steel finish
- 1/8 twist
- 5/8x24 Threaded Pitch
- SPR Profile
- .750 gas block journal
- Rifle length gas system
- M4 Feed Ramp Extension
- HP and MPI tested
6.5 Grendel 20" Stainless Steel, Rifle Length Barrel Features:
- 6.5 Grendel 20" Rifle Length Barrel
- 416R Stainless Steel finish
- 1/8 twist
- 5/8x24 Threaded Pitch
- DMR Profile
- .750 gas block journal
- Rifle length gas system
- M4 Feed Ramp Extension
- HP and MPI tested
