Let’s Dive into Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver
The Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver is a purpose-built upper receiver designed for AR-10 platform enthusiasts demanding accuracy and reliability. Manufactured by Aero Precision, this exclusive offering combines their renowned M5E1 enhanced upper receiver with a high-quality 18-inch stainless steel barrel. The result is a complete upper assembly ready to be mated to your .308 lower, promising enhanced performance at the range or in the field.
For years, I struggled to find a .308 AR upper receiver that offered both consistent accuracy and the modularity I needed for various shooting applications. I wanted an upper that could handle everything from long-range target shooting to hog hunting in thick brush. The promise of the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver being both accurate and adaptable immediately piqued my interest.
Upon unboxing, the first thing I noticed was the robust construction and clean lines. The finish was flawless, and the weight felt appropriate for a .308 AR platform – substantial, but not overly heavy. The included Gen 2 Enhanced Handguard felt incredibly solid in my hands, a clear upgrade over some of the flimsier handguards I’ve encountered.
Compared to other .308 uppers I’ve used, such as those from DPMS and Palmetto State Armory, the Aero Precision M5E1 immediately stood out for its attention to detail and overall fit and finish. While the others are serviceable, the Aero Precision felt like a step up in quality. I chose this particular upper because of Aero Precision’s reputation for precision machining and the added exclusivity of the Optics Planet edition.
My initial excitement was definitely justified; the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver looked and felt like a premium product ready to deliver top-tier performance. This felt like an investment that would enhance my shooting capabilities significantly.
Real-World Testing: Putting Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver to the Test
First Use Experience
I tested the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver primarily at my local outdoor shooting range. I ran a variety of .308 ammunition through it, ranging from 150-grain FMJ to 175-grain match-grade rounds. The upper receiver was mated to my existing AR-10 lower and performed flawlessly right out of the box.
Despite a light drizzle and some gusty wind, the M5E1 maintained consistent accuracy. The handguard provided a secure and comfortable grip, even with wet hands. Getting used to the longer 18-inch barrel took minimal adjustment.
I was initially surprised by how smooth the action felt. Even with the heavier .308 rounds, recoil was manageable and consistent.
Extended Use & Reliability
After several months of consistent use, the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver has proven to be exceptionally reliable. I’ve put hundreds of rounds through it without a single malfunction. The finish shows no signs of wear, despite being exposed to various weather conditions.
Cleaning and maintaining the upper is straightforward. The stainless steel barrel wipes down easily, and the handguard’s design allows for quick access to the gas system. Compared to other uppers I’ve owned, the Aero Precision requires less frequent cleaning to maintain optimal performance.
In my experience, the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver outperforms my previous .308 uppers in both accuracy and reliability. It provides a level of confidence that is essential for both target shooting and hunting.
Breaking Down the Features of Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver
Specifications
The Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver boasts several key specifications that contribute to its performance. It is chambered in .308 Winchester and features an 18-inch 416R stainless steel barrel for optimal accuracy and durability. The barrel has a 1 in 10 twist rate and 5/8 x 24 threading.
The upper receiver is forged from 7075 T6 aluminum, ensuring strength and lightweight properties, and finished with a black anodized coating. It includes a 15-inch Gen 2 Enhanced Handguard made from 6061 T6 aluminum with M-LOK attachment points. The gas system length is rifle, and the gas block journal measures .750in.
- Caliber: .308 Winchester: This allows for a wide variety of ammo choices for any application.
- Barrel Length: 18 inches: This provides an ideal balance between maneuverability and long-range accuracy.
- Handguard Length: 15 inches: This allows for comfortable ergonomics and ample space for mounting accessories.
- Barrel Material: 416R Stainless Steel: This ensures exceptional corrosion resistance and a long service life.
Performance & Functionality
The Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver performs exceptionally well. Accuracy is excellent, with consistent sub-MOA groupings achievable with match-grade ammunition. The rifle-length gas system contributes to smooth recoil and reliable cycling.
The strengths of this upper lie in its consistent performance and high-quality components. One area for potential improvement would be the inclusion of an adjustable gas block for fine-tuning performance with different ammunition types. It definitely meets and even exceeds my expectations for a complete upper receiver in this price range.
Design & Ergonomics
The build quality of the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver is top-notch. The materials used are high-quality, and the fit and finish are excellent. The weight is well-balanced, making it comfortable to handle even during extended shooting sessions.
The M5E1 upper receiver is user-friendly. The enhanced handguard provides a comfortable and secure grip, and the M-LOK attachment points allow for easy customization.
Durability & Maintenance
The 416R stainless steel barrel and 7075 T6 aluminum receiver are built to last. With proper care and maintenance, this upper receiver should provide years of reliable service. Maintaining it is relatively simple. Regular cleaning and lubrication are all that is required to keep it in top condition.
Accessories and Customization Options
The Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver readily accepts a wide range of AR-10 accessories. Optics, bipods, and lights can be easily mounted on the M-LOK handguard. The upper receiver is also compatible with most standard AR-10 lower receivers.
The M-LOK handguard makes it simple to attach a variety of accessories. The 5/8 x 24 barrel threading allows for the use of various muzzle devices and suppressors.
Pros and Cons of Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver
Pros
- Exceptional Accuracy: The stainless steel barrel consistently delivers sub-MOA performance with quality ammunition.
- High-Quality Components: The use of 416R stainless steel and 7075 T6 aluminum ensures durability and reliability.
- Enhanced Handguard: The Gen 2 Enhanced Handguard provides a comfortable grip and ample space for accessories.
- Reliable Cycling: The rifle-length gas system offers smooth recoil and consistent cycling.
- Easy Customization: The M-LOK handguard allows for easy attachment of accessories.
Cons
- The price point might be higher than some budget-focused builders are willing to spend.
- An adjustable gas block is not included as a standard feature.
Who Should Buy Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver?
The Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver is perfect for those seeking a reliable and accurate .308 AR platform. It is an excellent choice for hunters, competitive shooters, and tactical enthusiasts. Those who appreciate high-quality components and consistent performance will find this upper receiver to be a valuable investment.
Budget-conscious builders looking for the absolute cheapest option may want to consider other alternatives. Also, individuals who primarily shoot at very short ranges may not fully appreciate the accuracy benefits of the 18-inch stainless steel barrel.
A quality optic and a reliable lower receiver are must-have accessories to maximize the potential of this upper. An upgraded trigger could further enhance accuracy.
Conclusion on Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver
The Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver is a well-engineered and high-performing product. The price is justified by the quality of the components, the accuracy it delivers, and the overall reliability. I would highly recommend it to anyone looking to build a top-tier .308 AR.
If you’re serious about accuracy and reliability, the Optics Planet Exclusive Aero Precision M5E1 18in .308 SS Complete Upper Receiver is an investment you won’t regret. Upgrade your AR-10 platform today and experience the difference.