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- Caliber:
- 6.5mm Creedmoor
- Overall Length:
- 31.25 in
- Barrel Length:
- 6.5 in, 20 in
- Barrel Profile:
- Government
- Gas System Length:
- Carbine Length
- Barrel Twist Rate:
- 1-8
- Handguard Type:
- Free-Float
- Muzzle Device:
- Brake
- Finish:
- Black
- Color:
- Black
- Fabric/Material:
- Carbon
- Gas Block Journal Size-Diameter:
- .075 in
- Handguard Length:
- 20 in
- Handguard Style:
- Round Rail
- Gun Rail:
- M-LOK
- Gun Type:
- Rifle
- Gun Make:
- AR Platform
- Gun Model:
- AR-10
- Weight:
- 95 oz
- Barrel Material:
- Chrome Moly
- Gas Block Journal Size-Length:
- 1.9 in
- Bolt Carrier Group Included:
- MIL-SPEC
- Charging Handle Included:
- MIL-SPEC
- Magazine Included:
- No
- Condition:
- Factory DEMO
- Attachment Type:
- Low Profile
- Threads per Inch:
- 5/8x24
Code: 4M6-URC-CMWRF-65CUA20-DEMO
MPN: 65CUA20-DEMO
Product Info for Jacob Grey Firearms 6.5 CM Complete Upper Assembly
The Jacob Grey Firearms Low Profile 20 DPMS style AR-10 Warthog Fully Assembled Upper receiver is a perfect match for the Jacob Grey Warthog Billet lower receiver. Not only have we designed an upper receiver that is aggressive in styling, but also weighs less than standard AR-10 Upper Receivers. Excess material was removed from every spot possible without sacrificing the structural integrity of the receiver. Whats left is one of the most stylish, well balanced upper receivers on the market today. The high-polished nickel boron bcg allows for a smoother cyclical action and return to battery, while requiring less lubrication and reducing carbon build up. The matching machined billet aluminum dust cover is a precise fit to the upper receiver. The low profile .750 adjustable gas block allows the Warthog Upper Receiver to perform flawlessly and accurately each time. With the assembled upper receiver weighing in at just under 7 lbs complete (bcg, ambi-charging handle and billet dust cover included), with the addition of a 20 1/8 twist 6.5 Creedmoor Stainless Barrel, Jacob Grey Firearms has finally done what has been asked for years from AR-10 manufacturers. A 6.5 CM AR-10 upper receiver with the agility and weight reduction to add to your AR-10 lower receiver without compromising any of the features and performance expected from your firearm.![]()
All NFA/ATF Rules Apply
You may use this assembled upper receiver with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this upper receiver along with a non-NFA lower receiver is prohibited, except when installed on a Pistol configuration firearm.
DISCLAIMER: Firearm specifications are subject to change at any time based on availability and supply chain shortage.
Package Contents:
- Jacob Grey Firearms 6.5 CM Complete Upper Assembly
Ammunition







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Jacob Grey Firearms 6.5 CM Complete Upper Assembly Unavailable & Discontinued Models
List of Unorderable Models
- DEMO, Jacob Grey Firearms Complete Upper Assembly, AR-10, 6.5 CM, 20in, 1-8 Twist, 5/8x24 Thread, Black, 65CUA20 , MPN: 65CUA20-DEMO , Code: 4M6-URC-CMWRF-65CUA20-DEMO
- Jacob Grey Firearms Complete Upper Assembly, AR-10, 6.5 CM, 20in, 1-8 Twist, 5/8x24 Thread, Black, 65CUA20 , MPN: 65CUA20 , UPC: 850040696356 , Code: 4M6-URC-CMWRF-65CUA20


































































































































































































