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Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped MAR-300-10-SHRD Color: Black, Finish: Hardcoat Anodized, 17% Off, Blazin' Deal w/ Free Shipping

Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD
Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD
Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD
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Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD
Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD
2 of 2 images
Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD

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Questions & Answers
Customer Reviews
Helpful Negative Review
Alternative upper by Truso, Verified Owner, September 24, 2025
I originally bought an Aero I really wanted but after waiting 4 weeks for order that kept getting pushed out I made the decision to try this upper. The 10.5 DOES NOT look like the photo. It has a longer hand guard and the muzzle device is different. ...
Read More...
7/8 found this helpful
Read 1 Review

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Color:
Black
Finish:
Hardcoat Anodized
Fabric/Material:
7075-T6 Aluminum
Caliber:
.300 AAC Blackout
Gun Make:
AR Platform
Gun Model:
AR-15
Condition:
New

Code: 5MY-UPR-L92AOP-MAR-300-10-SHRD

MPN: MAR-300-10-SHRD

Blazin' Deal
List: $399.95Save 17%
$333.63

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Product Info for Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped

Moriarti AR-15 300 Blackout 10.5 in Pistol Upper Assembly / Mlok / Shroud is a top-of-the-line assembly designed for the AR-15 rifle platform. It features a 10.5-inch barrel that is chambered in the 300 Blackout round. This powerful cartridge is known for its efficiency and versatility, capable of delivering both super and subsonic rounds effectively.image

WARNING: California`s Proposition 65

Specifications for Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped:

Manufacturer: Moriarti
Color: Black
Finish: Hardcoat Anodized
Fabric/Material: 7075-T6 Aluminum
Caliber: .300 AAC Blackout
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Bolt Carrier Group Included: No
Charging Handle Included: No
Gas Block Journal Size-Diameter: .750 in
Handguard Type: Free-Float
Barrel Twist Rate: 1-7
Threads per Inch: 5/8x24
Barrel Profile: Medium
Barrel Length: 10.5 in
Barrel Material: 4150 CMV Steel
Muzzle Device: Reverse Thread Mini Shroud
Handguard Length: 10 in

Features of Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped

  • The Pistol Upper Assembly is designed with a 1:7 twist rate to stabilize the heavier rounds associated with the 300 Blackout.
  • The Shroud helps in managing heat and reducing muzzle rise during shooting. It often enhances the aesthetic of the firearm too.
  • Lightweight
  • Minimalist design.

Package Contents:

  • Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped

What firearm models does the manufacturer say Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped is compatible with?

The manufacturer says that Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped is compatible with AR-15

Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped Orderable Models

List of Orderable Models

  • Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD , MPN: MAR-300-10-SHRD , Code: 5MY-UPR-L92AOP-MAR-300-10-SHRD

Moriarti AR-15 10.5 inch .300 Blackout Upper Receiver Stripped Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Moriarti Upper Receiver Stripped, AR-15, .300 Blackout, 10.5 inch Barrel, Medium Profile, Pistol Length, 1x7 Twist, 5/8X24 Thread, M-LOK Handguard, Mini Shroud, Hardcoat Anodized, Black, MAR-300-10-SHRD , MPN: MAR-300-10-SHRD-DEMO , Code: 5MY-UPR-L92AOP-MAR-300-10-SHRD-DEMO
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