First Impressions of AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit
The AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit promises almost everything needed to complete an AR-15 build, short of the stripped lower receiver itself. This kit aims to provide a cost-effective and convenient solution for those looking to assemble their own AR-15, bundling essential components into a single package. Assembling my own AR-15 has always been something I’ve wanted to do, and the AIM Sports kit looked like a good place to start.
I’d been searching for a budget-friendly way to complete an 80% lower I had been working on and wanted a good quality upper. Many complete uppers come with a hefty price tag, so finding a kit with the lower parts included sounded appealing. The promise of a complete build kit certainly piqued my interest, but I also had reservations about the potential quality compromises necessary to achieve such a low price.
Unboxing the kit revealed a well-packed assortment of components, each individually wrapped. My first impression was that it looked… complete! The finish on the upper receiver appeared consistent, and the lower parts kit looked like it contained everything needed. Compared to complete uppers from brands like Bravo Company or Daniel Defense, this AIM Sports Inc kit is noticeably less refined aesthetically; but the price point makes direct comparisons difficult.
I was simultaneously excited and cautiously optimistic; could this kit deliver on its promise, or would the low price translate to compromised performance? Only real-world testing would tell the tale.
Real-World Testing: Putting AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit to the Test
First Use Experience
My first outing with the assembled rifle was at an outdoor range, under relatively mild conditions, around 70 degrees Fahrenheit with a slight breeze. I wanted to assess the basic functionality and reliability of the AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit right out of the box. Assembly was straightforward; the included parts fit into my 80% lower without any major issues, though the trigger pull felt a bit gritty.
I ran about 200 rounds of mixed 5.56 NATO and .223 Remington ammunition through the rifle. The initial groups were acceptable, but not spectacular; I was getting around 3-4 MOA at 100 yards with a red dot optic. There were a couple of failures to feed in the first few magazines, but this issue seemed to resolve itself as the rifle broke in.
Extended Use & Reliability
After several range trips and approximately 500 rounds downrange, the rifle assembled with the AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit has become more reliable. The failure-to-feed issues have completely disappeared, and the accuracy has slightly improved, settling around 2.5-3 MOA with consistent ammunition. I did notice some wear on the bolt carrier group’s finish after about 300 rounds, which is typical for a nitride finish.
I made sure to clean and lubricate the rifle after each range session. Disassembly and cleaning were simple enough, although the gritty trigger feel persisted despite repeated cleaning and lubrication. Overall, the kit seems to hold up well for casual range use, but I wouldn’t trust it for serious tactical applications without some upgrades.
Breaking Down the Features of AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit
Specifications
The AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit boasts a collection of features aiming for affordability and functionality. The rifle is chambered in 5.56x45mm NATO, ensuring compatibility with both 5.56 NATO and .223 Remington ammunition. The upper receiver features a 16-inch barrel made of 4150 Chrome Moly Vanadium Steel, offering a balance between durability and weight.
The barrel is equipped with an A2 muzzle brake to help reduce recoil and muzzle rise, though its effectiveness is limited. A mid-length gas system and low-profile gas block are also included, contributing to smoother recoil and improved reliability compared to a carbine-length system. The Mil-Spec Forged 7075-T6 complete Upper includes a dust cover and forward assist.
The included Bolt Carrier Group (BCG) is constructed from 8620 steel, while the bolt itself is made from 9310 tool steel and features a Nitride finish for enhanced corrosion resistance and lubricity. The kit also features a Mil Spec Buffer Kit, consisting of a 3.0oz buffer, carbine spring, castle nut, end plate, mil-spec buffer tube, and stock. Finally, the Lower Parts Kit (LPK) contains all the necessary components to complete the lower receiver, including a fire control group and an A2 grip.
Performance & Functionality
For the price, the AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit delivers adequate performance. Accuracy is acceptable for general range use and plinking, achieving around 2.5-3 MOA with decent ammunition and a stable shooting platform. The rifle has proven reasonably reliable after the initial break-in period, with no significant malfunctions occurring after the first 200 rounds.
However, the trigger pull is noticeably gritty and heavy, impacting the overall shooting experience and making it more difficult to achieve consistent accuracy. The A2 muzzle brake offers minimal recoil reduction. While functional, there are many better options available.
Design & Ergonomics
The design of the AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit is utilitarian, prioritizing function over aesthetics. The materials used are adequate for the price point, but the overall finish lacks the refinement found in higher-end AR-15 components. The rifle feels reasonably balanced and comfortable to hold, but the A2 grip is basic and may not be suitable for all users.
The Mil-Spec stock is functional and adjustable, but it feels somewhat flimsy compared to more robust aftermarket options. The standard AR-15 controls are intuitive and easy to use.
Durability & Maintenance
The AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit appears reasonably durable for light to moderate use. The Nitride finish on the BCG provides good corrosion resistance, and the 4150 CMV barrel should offer a decent service life. However, some components, such as the stock and the lower parts kit, may not hold up to heavy use or abuse.
Maintenance is straightforward, with standard AR-15 disassembly and cleaning procedures applying to this kit. Regular cleaning and lubrication are essential to ensure reliable operation and prolong the life of the components.
Accessories and Customization Options
The AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit is compatible with a wide range of aftermarket AR-15 accessories, including optics, lights, grips, and stocks. The standard Mil-Spec buffer tube allows for easy replacement of the stock with a preferred model. The upper receiver is also compatible with various handguards, allowing for customization of the rifle’s ergonomics and aesthetics.
The 16-inch barrel can be easily upgraded with a higher-quality barrel, but this would significantly increase the overall cost. The trigger can also be upgraded with an aftermarket trigger pack to improve the shooting experience.
Pros and Cons of AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit
Pros
- Affordable way to complete an AR-15 build.
- Includes all essential components (except stripped lower).
- Compatible with a wide range of aftermarket accessories.
- Reasonably reliable after initial break-in.
- 16-inch 4150 CMV barrel offers decent durability.
Cons
- Gritty and heavy trigger pull.
- Basic A2 grip may not be comfortable for all users.
- Some components may not be as durable as higher-end options.
- Finish quality is not as refined as more expensive brands.
Who Should Buy AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit?
The AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit is perfect for budget-conscious individuals looking to build their first AR-15 for recreational shooting or plinking. It’s also suitable for those who enjoy assembling their own firearms and don’t mind making some upgrades down the road. This kit can be a good starting point for beginners who want to learn about the AR-15 platform without breaking the bank.
Those who demand the highest levels of performance, accuracy, and reliability should skip this product and opt for higher-end AR-15 components from reputable manufacturers. Individuals who intend to use their AR-15 for serious tactical applications or self-defense should also consider investing in a more robust and dependable rifle. A must-have modification would be an upgraded trigger to improve accuracy.
Conclusion on AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit
The AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG, LPK & Mil Spec Stock Buffer Kit provides a budget-friendly entry point into the world of AR-15 builds. While it may not offer the same level of performance, refinement, or durability as higher-end options, it delivers acceptable functionality and reliability for casual range use. The price is justified considering the included components and the convenience of a complete kit.
I would cautiously recommend this kit to those on a tight budget who are willing to accept some compromises in quality and performance. However, it’s essential to be aware of the potential limitations and consider upgrading certain components, such as the trigger, to enhance the overall shooting experience. If you’re looking for an affordable way to build your own AR-15, the AIM Sports Inc kit might be worth considering. Now go build something and have some fun!