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Jacob Grey Firearms 9mm Complete Upper Assembly Up to 11% Off, Blazin' Deal w/ Free Shipping — 2 models
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Jacob Grey Firearms Complete Upper Assembly, 9mm, 16in, 1-10 Twist, 1/2x36 Thread, Black, 9MM16CUA
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Jacob Grey Firearms 9mm 6in Complete Upper Assembly, Black, 9MMB6CUA
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Jacob Grey Firearms Complete Upper Assembly, 9mm, 16in, 1-10 Twist, 1/2x36 Thread, Black, 9MM16CUA
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Jacob Grey Firearms 9mm 6in Complete Upper Assembly, Black, 9MMB6CUA
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Questions & Answers
Customer Reviews
Helpful Negative Review
The quality is nice but the product shows up with the wrong hand guard. I ordered the 6” model. It came with 6” barrel but a tiny 4” hand guard and to me it looks funny and not like the picture on the website. I have reached out to optics planet twic...
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2/3 found this helpful
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Most Recent Reviews
It is an amazing upper! The product photo doesn't quite match up but that's alright(muzzle device extends the look of the barrel about 3 inches beyond the handguard). Everything is machined so well and the finish has a unique texture that I love. I ...
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Most Recent Reviews
Great upper, but their isn’t a LRBHO in the upper. I have it paired with a MFB lower and had to modify the upper for it to work
Most Recent Reviews
to start off the thread pitch is not 1/2x28 its actually 1/2x36 and my order says it once purchased but the items description is wrong.
Meanwhile if you know anything about 9mm barrel the feed lip is slightly small which should cause error for basic...
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Most Recent Reviews
Not worth the asking price. The finish is chalky and thin and product received with tiny blems where finish was chipped. And on top of that, the pic on OP doesn't look like what I was sent. Returned
Most Recent Reviews
Jacob Grey uppers are amazing!!! I recommend getting these uppers while they’re on sale. The fit finish, and feel are second to none.
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Product Info for Jacob Grey Firearms 9mm Complete Upper Assembly
9mm JG-9 upper receiver with M-LOK handguard, 9mm bolt carrier group, JG 9mm 4150 chrome moly vanadium steel barrel, JG ambidextrous charging handle and JG knurled 6 point directional compensator included
NOTE: This upper is machined for a gas tube although it is intended for blowback gas systems only.
DISCLAIMER: Firearm specifications are subject to change at any time based on availability and supply chain shortage.
Specifications for Jacob Grey Firearms 9mm Complete Upper Assembly:
| Manufacturer: | Jacob Grey Firearms |
| Caliber: | 9mm Luger |
| Barrel Profile: | Medium Taper |
| Barrel Twist Rate: | 1-10 |
| Threads per Inch: | 1/2x28 |
| Handguard Type: | Free-Float |
| Muzzle Device: | Brake |
| Finish: | Class III Type 2 Hard Coat Anodized |
| Color: | Black |
| Fabric/Material: | 7075-T6 |
| Gas Block Journal Size-Diameter: | .075 in |
| Handguard Style: | Round Rail |
| Gun Rail: | M-LOK |
| Gun Type: | Rifle |
| Gun Make: | AR Platform |
| Gun Model: | AR-9 |
| Condition: | New |
| Barrel Material: | Chrome Moly |
| Bolt Carrier Group Included: | MIL-SPEC |
| Magazine Included: | No |
| Charging Handle Included: | MIL-SPEC |
| Mount Type: | M-LOK |
| Projectile Caliber: | .355 Caliber |
Features of Jacob Grey Firearms 9mm Complete Upper Assembly
- 9mm Specific Upper receiver with reduced ejection port for smaller rounds;
- Jacob Greys unique checkering design specific to the JG-9 platform;
- Designed to match lines with Jacob Grey JG-9 & JG-15 Billet Lower however will fit with any Mil-spec lower receiver;
- Contains integrated Last Round Bolt Hold Open (LRBHO) technology that reliably holds the bolt open when magazine is empty;
- LRBHO feature is designed for lowers that accept Glock style magazines
Package Contents:
- Jacob Grey Firearms 9mm Complete Upper Assembly
Jacob Grey Firearms 9mm Complete Upper Assembly Orderable Models
List of Orderable Models
- Jacob Grey Firearms Complete Upper Assembly, 9mm, 16in, 1-10 Twist, 1/2x36 Thread, Black, 9MM16CUA , MPN: 9MM16CUA , UPC: 850030294760 , Code: 4M6-URC-VR8-9MM16CUA
- Jacob Grey Firearms 9mm 6in Complete Upper Assembly, Black, 9MMB6CUA , MPN: 9MMB6CUA , UPC: 850030294715 , Code: 4M6-URC-VR8-9MMB6CUA
Jacob Grey Firearms 9mm Complete Upper Assembly Unavailable & Discontinued Models
List of Unorderable Models
- DEMO, Jacob Grey Firearms Complete Upper Assembly, 9mm, 16in, 1-10 Twist, 1/2x36 Thread, Black, 9MM16CUA , MPN: 9MM16CUA-DEMO , Code: 4M6-URC-VR8-9MM16CUA-DEMO
- DEMO, Jacob Grey Firearms 9mm 6in Complete Upper Assembly, Black, 9MMB6CUA , MPN: 9MMB6CUA-DEMO , Code: 4M6-URC-VR8-9MMB6CUA-DEMO
- Jacob Grey Firearms Complete Upper Assembly, 9mm, 4.5in, 1-10 Twist, 1/2x36 Thread, Black, 9MM45CUA , MPN: 9MM45CUA , UPC: 850030294708 , Code: 4M6-URC-VR8-9MM45CUA
- Jacob Grey Firearms Complete Upper Assembly, 9mm, 7.5in, 1-10 Twist, 1/2x36 Thread, Black, 9MM75CUA , MPN: 9MM75CUA , UPC: 850030294722 , Code: 4M6-URC-VR8-9MM75CUA
- Jacob Grey Firearms 9mm 8.3in Complete Upper Assembly, Black, 9MMB83CUA , MPN: 9MMB83CUA , UPC: 850030294739 , Code: 4M6-URC-VR8-9MMB83CUA
- Jacob Grey Firearms Complete Upper Assembly, 9mm, 10in, 1-10 Twist, 1/2x36 Thread, Black, 9MM10CUA , MPN: 9MM10CUA , UPC: 850030294746 , Code: 4M6-URC-VR8-9MM10CUA
- Jacob Grey Firearms 9mm 11in Complete Upper Assembly, Black, 9MMB11CUA , MPN: 9MMB11CUA , UPC: 850030294753 , Code: 4M6-URC-VR8-9MMB11CUA
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