Aero Precision AR-15 Lower Parts Kit – Magpul MOE SL – No FCG Review

Full Disclosure: Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG

The Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG is a comprehensive solution for completing your AR-15 lower receiver, minus the fire control group. Aero Precision has a solid reputation in the AR-15 world, known for quality components, and this kit aims to deliver that reliability in an easily accessible package. It’s designed for builders who want control over their trigger selection, offering the flexibility to choose a specific trigger based on their needs and preferences.

I was looking to complete a new AR-15 build and needed a reliable lower parts kit. I wanted to use a specific aftermarket trigger group that I had already selected, so I didn’t need the standard fire control group included. The appeal of this kit was the inclusion of quality Aero Precision parts, paired with the trusted Magpul MOE SL grip, all at a reasonable price point.

Upon unboxing, the first thing I noticed was the organized packaging. Each component was individually bagged and labeled, making inventory and installation a breeze. The parts themselves felt solid and well-machined, typical of Aero Precision products. The Magpul MOE SL grip had the familiar, comfortable feel I expected.

I considered several other lower parts kits from companies like CMMG and Palmetto State Armory. I ultimately chose the Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG due to my positive experiences with Aero Precision in the past and the inclusion of the Magpul grip, which I find ergonomically superior.

My first impression was positive. The quality of the components and the well-organized packaging gave me confidence in the build. I was excited to get this lower receiver assembled and paired with my chosen trigger.

Real-World Testing: Putting Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG to the Test

First Use Experience

I assembled the lower receiver using this kit at my workbench in my garage. The assembly process was straightforward, thanks to the clear labeling of the parts. I installed the kit into an Aero Precision Gen 2 lower receiver.

The parts functioned perfectly during the initial assembly, even in the relatively dusty environment of my workshop. Everything fit snugly and properly. The Magpul MOE SL grip provided a secure and comfortable hold.

There were no initial issues or surprises. The assembly was smooth, and I was pleased with the overall fit and finish.

Extended Use & Reliability

After several months and numerous range trips, the kit has held up admirably. I’ve put approximately 1000 rounds through the AR-15, and all the lower receiver components are functioning perfectly. There have been no failures or malfunctions related to the parts in this kit.

There are minimal signs of wear and tear. The finish on the parts is durable and has resisted scratching and corrosion. The Magpul grip still feels like new and provides a solid grip even after extended use.

The kit is easy to maintain. I simply wipe down the components with a lightly oiled cloth after each range trip. No special cleaning or maintenance is required.

Compared to previous builds using cheaper lower parts kits, this kit has significantly outperformed them in terms of reliability and durability. The Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG offers a noticeable upgrade in quality and performance.

Breaking Down the Features of Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG

Specifications

The Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG includes the following components:

• Magpul MOE SL Grip: Provides enhanced ergonomics and improved weapon control. The slim line design offers a comfortable and secure grip.
• Mil-Spec Trigger Guard: Protects the trigger from accidental manipulation. It also allows for easier use with gloved hands.
• A2 Grip Screw: Secures the grip to the lower receiver. This is a standard component.
• Grip Washer: Provides a secure and even pressure distribution when tightening the grip screw. This prevents damage to the lower receiver.
• Bolt Catch: Locks the bolt carrier group to the rear. This is essential for safety and malfunction clearing.
• Bolt Catch Plunger: Maintains tension on the bolt catch. This keeps it in place.
• Bolt Catch Spring: Provides the force needed for the bolt catch to function correctly. This is a small but vital component.
• Bolt Catch Roll Pin: Secures the bolt catch to the lower receiver. This ensures that the bolt catch is properly installed.
• Magazine Catch: Releases the magazine from the lower receiver. This is a critical component for quick and efficient magazine changes.
• Magazine Catch Spring: Provides the force needed for the magazine catch to function correctly. This ensures the magazine is securely held in place until released.
• Magazine Release Button: Activates the magazine catch. This component needs to be easily accessible.
• Pivot Pin: Connects the upper and lower receivers at the front. This allows for easy takedown and cleaning.
• Pivot Pin Detent: Maintains tension on the pivot pin. This keeps it secured in the closed position.
• Pivot Pin Detent Spring: Provides the force needed for the pivot pin detent to function correctly. This is another small but critical component.
• Takedown Pin: Connects the upper and lower receivers at the rear. This also allows for easy takedown and cleaning.
• Takedown Pin Detent: Maintains tension on the takedown pin. This keeps it secured in the closed position.
• Takedown Pin Detent Spring: Provides the force needed for the takedown pin detent to function correctly.
• Buffer Retainer: Keeps the buffer and buffer spring in place. This prevents them from moving when the upper receiver is removed.
• Buffer Retainer Spring: Provides the force needed for the buffer retainer to function correctly.
• Safety Selector: Selects between safe, semi-automatic, and (if applicable) automatic fire modes. This component is crucial for safety.
• Safety Selector Detent: Maintains tension on the safety selector. This keeps it in the selected position.
• Safety Selector Detent Spring: Provides the force needed for the safety selector detent to function correctly.

These specifications matter because they directly impact the reliability and functionality of the AR-15. Quality components, like those included in this kit, ensure smooth operation and consistent performance.

Performance & Functionality

The Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG performs its job exceptionally well. All the components function flawlessly, providing a solid and reliable foundation for the AR-15 build. The parts fit together perfectly, and the Magpul grip offers a comfortable and secure hold.

The strength of this kit lies in the quality of the components and the inclusion of the Magpul MOE SL grip. The weakness, if any, is the absence of the fire control group, but that’s by design for those who want to choose their own.

The kit meets and exceeds expectations. It delivers the reliability and performance I expect from Aero Precision products.

Design & Ergonomics

The build quality of the Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG is excellent. The parts are made from durable materials and have a clean, precise finish. The Magpul grip is lightweight and ergonomic, providing a comfortable and secure hold.

The kit is user-friendly. Installation is straightforward, even for those with limited experience building AR-15s.

Durability & Maintenance

The kit is designed to last. The components are made from durable materials that can withstand the rigors of regular use.

The kit is easy to maintain and repair. The components are standard AR-15 parts and can be easily replaced if needed.

Accessories and Customization Options

The kit includes all the necessary components to complete the lower receiver, except for the fire control group. This allows for complete customization of the trigger.

The kit is compatible with a wide range of aftermarket accessories, including different grips, trigger guards, and safety selectors. The Magpul grip can also be replaced with other grips if desired.

Pros and Cons of Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG

Who Should Buy Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG?

This kit is perfect for AR-15 enthusiasts, custom builders, and those who want a high-quality and reliable lower parts kit without a pre-installed fire control group. It is especially well-suited for those who have specific trigger preferences or want to upgrade their existing trigger.

This product may not be ideal for first-time builders who prefer a complete kit with a pre-installed fire control group. It also might not be the best choice for those on a very tight budget, as the cost of a separate trigger group will add to the overall expense.

A must-have accessory would be a high-quality aftermarket trigger group that suits the user’s specific needs and preferences. A lower receiver vise block is also highly recommended for easier assembly.

Conclusion on Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG

The Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG is an excellent choice for anyone looking to build a reliable and customized AR-15. The high-quality components, including the Magpul MOE SL grip, provide a solid foundation for any build. The absence of a fire control group allows for complete customization of the trigger, making it ideal for those with specific preferences.

The price is justified by the quality and reliability of the components. While the additional cost of a separate trigger group may be a consideration, the ability to choose a specific trigger makes it worthwhile.

I would definitely recommend this kit to anyone looking to build a high-quality AR-15. It’s a well-made, reliable, and customizable option that delivers excellent value for the money. So, if you’re ready to build your dream AR-15, start with the Aero Precision AR-15 Magpul MOE SL Lower Parts Kit w/No FCG and experience the difference quality makes!