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- Caliber:
- 6.5mm Grendel
- Overall Length:
- 30 in
- Barrel Length:
- 20 in
- Barrel Profile:
- DMR
- Gas System Length:
- Rifle Length
- Barrel Twist Rate:
- 1-8
- Firearms Threads Per Inch:
- 5/8x24
- Handguard Type:
- Free-Float
- Muzzle Device:
- A2 Flash Hider
- Finish:
- Anodized
- Color:
- Black
- Gun Model:
- AR-15
- Gas Block Journal Size-Diameter:
- .750 in
- Weight:
- 70 oz
- Condition:
- New
- Included Accessories:
- None
Code: 29D-UFH-EN3-APAR700725M53
MPN: APAR700725M53
UPC: 840014602261
ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.
Made in USA
Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.
Product Info for Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard
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 their 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. Their 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.
Specifications for Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard:
| Manufacturer: | Aero Precision |
| Caliber: | 6.5mm Grendel |
| Overall Length: | 30 in |
| Barrel Length: | 20 in |
| Barrel Profile: | DMR |
| Gas System Length: | Rifle Length |
| Barrel Twist Rate: | 1-8 |
| Firearms Threads Per Inch: | 5/8x24 |
| Handguard Type: | Free-Float |
| Muzzle Device: | A2 Flash Hider |
| Finish: | Anodized |
| Color: | Black |
| Gun Model: | AR-15 |
| Fabric/Material: | 416R Stainless Steel |
| Attachment Type: | Picatinny |
| Gas Block Journal Size-Diameter: | .750 in |
| Gun Rail: | Picatinny |
| Gun Make: | AR Platform |
| Weight: | 70 oz |
| Bolt Carrier Group Included: | No |
| Charging Handle Included: | No |
| Magazine Included: | No |
| Condition: | New |
| Included Accessories: | None |
| Mount Type: | Picatinny |
| Country of Origin: | USA |
Features of Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard
- 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
- 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
- Compatible with mil-spec AR15 upper receivers and barrels
Package Contents:
- Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard
- M4E1 Threaded Assembled Upper Receiver
- ATLAS R-ONE Handguard of choice
- 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
Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard Orderable Models
List of Orderable Models
- Aero Precision M4E1-T Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, RM15, Anodized Black, APAR700725M53 , MPN: APAR700725M53 , UPC: 840014602261 , Code: 29D-UFH-EN3-APAR700725M53
Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard Unavailable & Discontinued Models
List of Unorderable Models
- Aero Precision M4E1-T Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, RM15, FDE Cerakote, APAR700735M53 , MPN: APAR700735M53 , UPC: 840014602957 , Code: 29D-UFH-EN3-APAR700735M53