First Impressions of Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile
The AR-15 platform offers incredible modularity. The Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile promises a lightweight and maneuverable build with a unique aesthetic, thanks to the integrated 7-inch fake suppressor. Could this upper be the key to unlocking a new level of performance and customization for my existing AR lower?
I needed a lightweight upper receiver for a dedicated home defense AR pistol build. Maneuverability in tight spaces was paramount, and I was intrigued by the idea of a shorter barrel paired with a faux suppressor for both aesthetics and added length without NFA hassles. I had high hopes for a balanced setup that wouldn’t sacrifice accuracy for portability.
Upon receiving the upper, the first thing I noticed was its surprisingly light weight. The pencil profile barrel definitely contributes to this, and the free-float handguard felt solid and well-constructed. The black finish was uniform and clean, giving it a professional look, but the real test would be how it performs on the range.
I was also considering a similar upper from Palmetto State Armory, and another from Brownells. The Moriarti offering stood out because of its unique combination of a shorter 13.9-inch barrel and a permanently attached 7-inch fake suppressor, providing an overall length that skirts NFA regulations while still offering some ballistic advantages over truly short-barreled options. This seemed like a clever solution.
Initially, I was cautiously optimistic. The lightweight design and unique aesthetics certainly piqued my interest. However, I was also a bit skeptical about the long-term durability and accuracy of a pencil profile barrel combined with an attached faux suppressor.
Real-World Testing: Putting Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile to the Test
First Use Experience
I tested the Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile at my local outdoor shooting range. The weather was sunny with a slight breeze, ideal conditions for putting some rounds downrange and seeing how this upper performed. I was primarily focused on assessing accuracy and handling.
The upper performed admirably, cycling flawlessly with both .223 and 5.56 ammunition. Even after several rapid-fire strings, there were no signs of malfunctions. It handled noticeably better than my heavier, full-length AR-15.
The upper was surprisingly easy to get used to. The carbine-length gas system provided a manageable recoil impulse, and the M-LOK handguard offered a comfortable and secure grip. After the first magazine, I felt confident in my ability to quickly and accurately engage targets.
I was pleasantly surprised by the accuracy. I was able to consistently hit a steel silhouette at 100 yards with no issues. My initial concerns about the pencil barrel’s accuracy proved unfounded.
Extended Use & Reliability
After several months of consistent use, the Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile has held up remarkably well. I’ve put several hundred rounds through it without any malfunctions or significant issues. It has become my go-to upper receiver for training and home defense drills.
The finish has proven to be quite durable, with only minor signs of wear around the ejection port and forward assist. The handguard remains solid and secure, and the muzzle device is still firmly attached. I have been impressed with the overall build quality and longevity.
Cleaning is a breeze. A quick wipe-down of the bolt face and a pass with a bore snake is all it takes to keep the upper running smoothly. The free-float design also simplifies cleaning, as there is no need to remove any handguard components.
Compared to my experiences with other budget-friendly AR uppers, the Moriarti offering definitely punches above its weight class. It has exceeded my expectations in terms of both performance and reliability. It outperforms many uppers costing significantly more.
Breaking Down the Features of Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile
Specifications
The Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile boasts several key specifications. It is chambered in 5.56mm NATO/.223 Remington, offering versatile ammunition compatibility. The 13.9-inch barrel strikes a balance between compactness and ballistic performance.
The overall length is 28.15 inches, making it maneuverable. The pencil profile barrel keeps the weight down, contributing to the overall lightweight design, weighing in at just 2.1 lbs. This lightweight build is crucial for extended use and maneuverability.
It features a carbine-length gas system, providing reliable cycling and manageable recoil. The 1-7 RH twist rate is ideal for stabilizing a wide range of bullet weights. It has 1/2×28 threads per inch.
The upper assembly includes a 12-inch free-float M-LOK handguard with a top Picatinny rail section for optics mounting. The handguard is made from 7075-T6 Aluminum for enhanced durability. The gas block journal size is .625 inches.
This upper assembly does NOT include a bolt carrier group or charging handle, allowing you to customize these components to your preference. The M-LOK system provides versatile attachment points for accessories. The attached 7″ Fake Can enhances the appearance and adds overall length.
Performance & Functionality
The Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile performs its job admirably. Its accuracy is excellent, providing consistent hits on targets out to reasonable distances. Reliability is also top-notch, with no malfunctions experienced during testing.
The upper’s lightweight design enhances usability and comfort. Its maneuverability is a significant strength, making it ideal for close-quarters engagements. However, the pencil profile barrel may heat up more quickly during rapid-fire strings.
The upper meets, and in some cases exceeds, my expectations. It delivers excellent accuracy, reliability, and handling in a lightweight and affordable package. It’s hard to find anything lacking.
Design & Ergonomics
The build quality is solid, with high-quality materials used throughout. The 7075-T6 aluminum handguard feels robust and well-made. The lightweight design makes it comfortable to handle for extended periods.
The upper is user-friendly, with no significant learning curve. It’s a straightforward design that’s easy to operate and maintain. The M-LOK handguard is comfortable and provides ample space for attaching accessories.
Durability & Maintenance
With proper care and maintenance, this upper should last for many years. The barrel is likely the component that will require eventual replacement. The finish is durable and resistant to wear and tear.
Maintenance is straightforward. Regular cleaning and lubrication are all that’s required to keep the upper running smoothly. The free-float design simplifies cleaning.
Accessories and Customization Options
The Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile comes as a stripped upper. This allows you to choose your own bolt carrier group, charging handle, and optic. The M-LOK handguard is compatible with a wide range of accessories.
The upper is compatible with most standard AR-15 lower receivers. You can customize your build with aftermarket triggers, stocks, and grips. The upper readily accepts attachments such as lights, lasers, and foregrips.
Pros and Cons of Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile
Pros
- Exceptional value for the price.
- Lightweight and maneuverable design due to the pencil barrel.
- Reliable performance with both .223 and 5.56 ammunition.
- Durable construction with a high-quality finish.
- The aesthetic of the 7″ Fake Can is appealing.
Cons
- Bolt carrier group and charging handle not included.
- Pencil profile barrel may heat up more quickly during sustained rapid fire.
Who Should Buy Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile?
This upper is perfect for home defense enthusiasts. It’s great for anyone seeking a lightweight and maneuverable AR-15 platform. It also suits those building a budget-friendly AR pistol or carbine.
Those prioritizing maximum accuracy at long ranges or requiring extreme heat resistance might want to consider a heavier profile barrel. Anyone wanting a complete drop-in solution with BCG and charging handle should also look elsewhere. A higher budget might also allow for a different build.
A quality red dot sight and weapon light are must-have accessories for maximizing the potential of this upper. An upgraded trigger can further enhance accuracy and handling. A sling attachment can also improve handling.
Conclusion on Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile
Overall, the Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile is an excellent value. It delivers reliable performance, impressive accuracy, and a lightweight design. The price is more than justified.
I would highly recommend this upper to anyone looking for a budget-friendly and maneuverable AR-15 platform. It’s a great option for home defense, training, or recreational shooting. Don’t hesitate – upgrade your AR build with this fantastic upper today!