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- Caliber:
- .300 AAC Blackout
- Barrel Length:
- 5 in
- Barrel Profile:
- Medium
- Gas System Length:
- Micro
- Barrel Twist Rate:
- 1-7
- Firearms Threads Per Inch:
- 5/8x24
- Muzzle Device:
- A2 Flash Hider
- Finish:
- Nitride
- Gun Model:
- AR-15
- Gas Block Journal Size-Diameter:
- .750 in
- Handguard Length:
- 4 in
Code: 5MY-UFH-MI02UR-MAR-300-5-4-A2
MPN: MAR-300-5-4-A2
UPC: 799787098897
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.
Product Info for Moriarti AR-15, .300 AAC Blackout, 5 inch Upper Receiver
The Moriarti AR-15 300 Blackout 5 in Micro Pistol Upper Assembly is built for shooters who demand high performance in a compact platform. Engineered for suppressor compatibility, this upper features a durable 5-inch 4150 CMV barrel with a black nitride finish and a 1:7 twist rate to stabilize subsonic and heavier grain projectiles.
Ideal for tactical builds or home defense, this short-barrel upper includes a slim 4-inch MLOK free-float handguard for maximum modularity, and an A2 flash hider to minimize muzzle flash. The A3 flat top upper receiver is made from billet aluminum, anodized to MIL-SPEC standards, and comes equipped with a forward assist and dust cover.
Note: This upper does not include a bolt carrier group (BCG) or charging handlegiving you the flexibility to complete your build as you prefer.
Specifications for Moriarti AR-15, .300 AAC Blackout, 5 inch Upper Receiver:
| Manufacturer: | Moriarti |
| Caliber: | .300 AAC Blackout |
| Barrel Length: | 5 in |
| Barrel Profile: | Medium |
| Gas System Length: | Micro |
| Barrel Twist Rate: | 1-7 |
| Firearms Threads Per Inch: | 5/8x24 |
| Muzzle Device: | A2 Flash Hider |
| Finish: | Nitride |
| Gun Model: | AR-15 |
| Fabric/Material: | 4150 Chrome Moly Vanadium |
| Gas Block Journal Size-Diameter: | .750 in |
| Handguard Length: | 4 in |
| Gun Rail: | M-LOK |
| Gun Make: | AR Platform |
Package Contents:
- Moriarti AR-15, .300 AAC Blackout, 5 inch Upper Receiver
Moriarti AR-15, .300 AAC Blackout, 5 inch Upper Receiver Orderable Models
List of Orderable Models
- Moriarti AR-15, .300 AAC Blackout, 5 inch Upper Receiver, Medium, Micro Length, 1-7 Twist, 5/8x24, A2 Flash Hider, Nitride, MAR-300-5-4-A2 , MPN: MAR-300-5-4-A2 , UPC: 799787098897 , Code: 5MY-UFH-MI02UR-MAR-300-5-4-A2