AR-15 300 Blackout 10.5" Complete Upper Assembly | Diamond Cut M-LOK | Burnt Bronze Cerakote
| Brand: | Moriarti Armaments |
| Product Code: | MAR-10-300-BB |
| Availability: | In Stock |
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$299.95
- $499.95
AR-15 Line
AR-15 300 Blackout 10.5" Complete Upper Assembly | Diamond Cut M-LOK | Burnt Bronze Cerakote | Moriarti Armaments
Upgrade your AR platform with the Moriarti AR-15 300 Blackout 10.5" Complete Upper Assembly, engineered for shooters seeking reliability, accuracy, and premium craftsmanship. Chambered in 300 AAC Blackout, this complete upper is ideal for tactical applications, range shooting, hunting, and suppressed firearm builds, offering outstanding performance from a compact barrel length.
Built around a 10.5-inch 4150 Chrome Moly Vanadium barrel with a 1:7 twist, this upper features a pistol-length gas system for dependable cycling, a lightweight 10-inch Diamond Cut free-float M-LOK handguard, and a durable Burnt Bronze Cerakote finish that enhances corrosion resistance while giving the firearm a distinctive appearance.
Designed to fit Mil-Spec AR-15 lower receivers, this 300 Blackout complete upper provides an excellent foundation for new builds or upgrades while maintaining the modularity and reliability expected from the AR-15 platform.
Key Features:
- Cartridge: 300 Blackout – Ideal for short-range engagements and suppressed shooting.
- Barrel Length: 10.5" – Perfect for compact builds while retaining reliable performance.
- Barrel Profile: Medium – Balances weight and accuracy for versatile shooting.
- Gas System: Pistol-Length Gas System – Designed for reliable cycling and optimized for short barrels.
- Barrel Twist Rate: 1x7 – Suitable for stabilizing a variety of bullet weights.
- Muzzle Device: A2 Flash Hider – Reduces visible flash for low-light conditions.
- Handguard: 10" Free-Float M-LOK Handguard – Provides a slim, lightweight, and modular platform for accessories.
- Handguard Style: Diamond Cut – For a distinctive and rugged aesthetic.
- Finish: Cerakote Burnt Bronze – Enhanced durability, corrosion resistance, and a custom look.
- Material: 4150 Chrome Moly Vanadium (CMV) Barrel – Known for its toughness and precision.
- Gas Block Journal Size: .750 in – Compatible with a variety of gas block options.
- Rail Type: M-LOK – Provides a secure mounting platform for a wide range of accessories.
- Receiver Material: 7075-T6 Forged Aluminum – Provides a strong and lightweight upper receiver.
Specifications:
- Overall Length: 19 in
- Barrel Length: 10.5 in
- Barrel Twist Rate: 1:7
- Threads: 5/8x24
- Gas System Length: Pistol Length
- Gas Block Size: .750 in
- Handguard Length: 10 in
- Finish: Burnt Bronze Cerakote
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Why is a 10.5-inch barrel one of the most popular lengths for 300 Blackout?
A 10.5-inch barrel offers an excellent balance between compact handling and ballistic performance for 300 AAC Blackout. It provides enough barrel length to efficiently use both supersonic and subsonic ammunition while remaining maneuverable for range use, hunting, and suppressed firearm configurations.
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