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AERO PRECISION
M4E1 THREADED 6.5 GRENDEL ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE

840014602957 430103942
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 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 our 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
759.9 909.9 4 GBP
Product no.: 430103942
AERO PRECISION M4E1-T 20" COMPLETE UPPER SS BBL W/ RM15 HG FDE 6.5 GRENDEL 840014602957 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 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 our 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
769.9 GBP 4 £769.90 *
Is a 'Call to order' product.
Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse
Specs: Cartridge: 6.5 Grendel Color: Flat Dark Earth Finish: Cerakote Length: 20'' Make: AR-15 Muzzle: 5/8-24 Style: Assembled Twist: 1-8

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Aero Precision M4E1 6.5 Grendel Complete Upper Receiver is designed for high accuracy and low recoil, suitable for long-range shooting over 1000 yards.
  2. Features include the ATLAS R-ONE Handguard for a slim profile with strength and stability, an 18" or 20" stainless steel barrel, and compatibility with AR15 platform components, excluding the bolt and magazine.
  3. Upper assembly comes with an enhanced forging for a billet look, M4 feedramps, and is HP and MPI tested, but does not include a BCG or Charging Handle.

Attributes

Cartridge: 6.5 Grendel Colour: Flat Dark Earth Finish: Cerakote Length: 20'' Make: AR-15 Muzzle: 5/8-24 Style: Assembled Twist: 1-8 Delivery weight: 2.268kg

Item details

Made in USA
US export classification: 0A501.e



Product no.: 430103939
AERO PRECISION M4E1-T 18" COMPLETE UPPER SS BBL W/ RM15 HG BLK 6.5 GRENDEL
Mfr Part: APAR700725M52 840014602247 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 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 our 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
879.9 GBP 6 £879.90 *
Is a 'Call to order' product.
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Cartridge: 6.5 Grendel Color: Black Finish: Anodized Length: 18'' Make: AR-15 Muzzle: 5/8-24 Style: Assembled Twist: 1-8
Product no.: 430103941
AERO PRECISION M4E1-T 20" COMPLETE UPPER SS BBL W/ RM15 HG BLK 6.5 GRENDEL
Mfr Part: APAR700725M53 840014602261 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 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 our 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
909.9 GBP 1 £909.90 *
Is a 'Call to order' product.
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse
Specs: Cartridge: 6.5 Grendel Color: Black Finish: Anodized Length: 20'' Make: AR-15 Muzzle: 5/8-24 Style: Assembled Twist: 1-8
Product no.: 430103940
AERO PRECISION M4E1-T 18" COMPLETE UPPER SS BBL W/ RM15 HG FDE 6.5 GRENDEL 840014602254 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 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 our 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
759.9 GBP 0 £759.90 *
Is a 'Call to order' product.
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Cartridge: 6.5 Grendel Color: Flat Dark Earth Finish: Cerakote Length: 18'' Make: AR-15 Muzzle: 5/8-24 Style: Assembled Twist: 1-8

🎯 Enhance your AR-15 with Aero Precision's 6.5 Grendel Assembled Upper Receiver! Low recoil & high accuracy for 1000+ yards shooting. Get started with the ATLAS R-ONE handguard today! 🔫

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 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 our 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