Spikes Tactical Complete M4 Stock Kit Review

Let’s Talk About Spikes Tactical Complete M4 Stock Kit

The Spikes Tactical Complete M4 Stock Kit offers a straightforward solution for anyone looking to finish or upgrade the back end of their AR-15. Spikes Tactical has built a solid reputation, and this kit aims to deliver that reliability in an easy-to-install package. It provides all the necessary components, including the stock, buffer tube assembly, and even the buffer itself, making it an appealing all-in-one solution.

I was in the process of building a lightweight AR pistol chambered in .300 Blackout, and the stock was one of the last pieces I needed. I wanted a mil-spec stock that was reliable and wouldn’t break the bank, as I was prioritizing the optic and barrel. The promise of a complete kit, including the ST-T2 heavy buffer, was particularly attractive.

Upon unboxing, I was immediately impressed by the fit and finish of the components. The stock itself felt solid, without any excessive wobble, and the buffer tube had a smooth, clean anodized finish. The included ST-T2 buffer felt noticeably heavier than a standard carbine buffer, indicating a focus on recoil management.

I was considering a BCM Gunfighter stock or a Magpul MOE SL, but the Spikes Tactical kit offered a complete solution at a similar price point. Ultimately, the all-inclusive nature and the positive user feedback swayed me towards this kit. My first impression was one of quiet satisfaction; it seemed like a well-made, no-nonsense kit that would get the job done.


Real-World Testing: Putting Spikes Tactical Complete M4 Stock Kit to the Test

First Use Experience

My initial testing took place at an outdoor shooting range on a relatively mild day, about 70 degrees Fahrenheit with a slight breeze. I ran about 200 rounds of .300 Blackout through my AR pistol, alternating between supersonic and subsonic ammunition. The Spikes Tactical Complete M4 Stock Kit immediately provided a more comfortable and stable shooting experience compared to the bare buffer tube.

The heavy buffer significantly reduced felt recoil, particularly with the supersonic rounds. There was a slight learning curve in adjusting the stock to my preferred length of pull, but the adjustment mechanism was smooth and locked securely into each position. After the first use, I found that my cheek weld was consistent and the stock remained stable throughout the shooting session.

Extended Use & Reliability

After several months and approximately 1000 rounds, the Spikes Tactical Complete M4 Stock Kit has held up remarkably well. There are no signs of significant wear and tear on the stock, buffer tube, or other components. Cleaning has been simple, usually just wiping down the buffer tube and stock with a lightly oiled cloth after each range session.

Compared to a standard mil-spec stock I used previously, the Spikes Tactical kit’s ST-T2 buffer delivers a noticeably smoother recoil impulse and reduces muzzle rise. I feel more confident in my follow-up shots and overall control of the firearm. The kit has definitely exceeded my expectations in terms of performance and durability.

Breaking Down the Features of Spikes Tactical Complete M4 Stock Kit

Specifications

  • The Spikes Tactical Complete M4 Stock Kit includes a Spikes Tactical M4 Stock. This standard M4-style stock is adjustable for length of pull.
  • It features a Mil-Spec Buffer Tube Assembly. This 6-position tube ensures compatibility with a wide range of AR-15 lowers.
  • A Latch Plate and Castle Nut are included for secure attachment of the buffer tube. These components are essential for proper function.
  • The kit contains a 17-7 Stainless Steel Buffer Spring. This provides consistent cycling and resists corrosion.
  • An ST-T2 Heavy Buffer is included. This reduces recoil and improves cycling reliability, particularly with short-barreled rifles or suppressed firearms.
  • The kit is designed for AR-15 platforms chambered in .223/5.56, and .300 Blackout. Its versatile design ensures broad compatibility.

These specifications matter because they provide a complete, reliable, and recoil-reducing solution for completing or upgrading an AR-15 lower receiver. The ST-T2 Heavy Buffer is a standout feature, contributing significantly to improved shooting comfort and control. The use of quality materials, such as stainless steel for the buffer spring, ensures long-term durability and performance.

Performance & Functionality

The Spikes Tactical Complete M4 Stock Kit performs admirably, providing a stable and comfortable shooting platform. The adjustability of the stock allows users to customize the length of pull for optimal fit and control. The heavy buffer is the star of the show, significantly reducing felt recoil and improving cycling reliability, particularly in my .300 Blackout pistol.

The kit’s main strength is its completeness and ease of installation; everything you need is included. The buffer’s ability to tame recoil, even with hotter supersonic rounds, is another major plus. One area for potential improvement might be the stock’s cheek weld; while functional, some users might prefer a wider or more contoured surface.

Overall, the Spikes Tactical Complete M4 Stock Kit meets and, in some ways, exceeds expectations, especially considering its price point. It delivers reliable performance and noticeable recoil reduction.

Design & Ergonomics

The Spikes Tactical Complete M4 Stock Kit features a functional and straightforward design. The materials used feel durable and well-made. The stock itself is lightweight and comfortable to shoulder.

The kit is designed to be user-friendly, with easy-to-understand installation instructions. Adjusting the stock’s length of pull is simple and intuitive. There is a slight learning curve to proper installation of the castle nut and endplate, but ample online resources are available.

Durability & Maintenance

The Spikes Tactical Complete M4 Stock Kit appears to be built to last. The use of quality materials, such as the stainless-steel buffer spring and durable polymer stock, inspires confidence. Regular cleaning and lubrication of the buffer tube will help ensure smooth operation and longevity.

Maintenance is minimal, requiring only occasional cleaning to remove dirt and debris. The kit seems durable enough to withstand regular use in demanding conditions.

Accessories and Customization Options

The Spikes Tactical Complete M4 Stock Kit does not come with any additional accessories beyond the core components. However, being a mil-spec buffer tube, it is compatible with a wide range of aftermarket stocks. Users can easily swap out the Spikes Tactical stock for other M4-style stocks from brands like Magpul, BCM, or Luth-AR, depending on their preferences.

Additionally, the buffer tube is compatible with various sling attachment points, allowing for further customization. The ST-T2 Heavy Buffer is a popular upgrade in itself and can further be tuned with different weights, although the included configuration is generally excellent. The modularity of the AR-15 platform means that customization options are virtually limitless.

Pros and Cons of Spikes Tactical Complete M4 Stock Kit

Pros

  • Complete Kit: Includes everything needed for installation (stock, buffer tube, spring, buffer, end plate, castle nut).
  • ST-T2 Heavy Buffer: Significantly reduces recoil and improves cycling reliability.
  • Durable Construction: Made from high-quality materials for long-lasting performance.
  • Mil-Spec Compatibility: Ensures compatibility with a wide range of AR-15 lowers and aftermarket stocks.
  • Easy Installation: Straightforward installation process with readily available online resources.

Cons

  • Stock Design: The included stock design is fairly basic and may not appeal to users seeking more advanced features or ergonomics.
  • Cheek Weld: The cheek weld area could be wider or more contoured for enhanced comfort.


Who Should Buy Spikes Tactical Complete M4 Stock Kit?

The Spikes Tactical Complete M4 Stock Kit is perfect for:

  • First-time AR-15 builders looking for a complete and reliable stock solution.
  • Shooters seeking to reduce recoil and improve cycling reliability, especially with short-barreled rifles or suppressed firearms.
  • Budget-conscious builders who don’t want to sacrifice quality and performance.

Who should skip this product?

  • Experienced AR-15 enthusiasts who have specific preferences for stock features or ergonomics.
  • Those who are exclusively focused on ultra-lightweight builds and prioritize minimal weight over recoil reduction.

Must-have accessories or modifications?

  • A quality castle nut wrench is essential for proper installation.
  • Consider adding a QD sling mount for versatile sling attachment options.
  • Some users may prefer a different M4-style stock with enhanced features or ergonomics, easily swappable due to the mil-spec buffer tube.

Conclusion on Spikes Tactical Complete M4 Stock Kit

The Spikes Tactical Complete M4 Stock Kit offers excellent value for the money. It delivers a complete, reliable, and recoil-reducing solution for completing or upgrading an AR-15 lower receiver. The inclusion of the ST-T2 Heavy Buffer is a standout feature that significantly enhances the shooting experience.

The price is definitely justified, especially considering the completeness and quality of the components. I would personally recommend it to anyone looking for a no-nonsense, high-performing stock kit. If you’re building an AR-15 and want a reliable stock with improved recoil management, look no further than the Spikes Tactical Complete M4 Stock Kit.

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