CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit Review

Let’s Talk About CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit

The CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit offers a complete solution for mounting an AR-15 stock. CMC Triggers is a well-known name, and this kit promises quality components for a smooth-running rifle. It’s designed to be compatible with mil-spec stocks and includes features like a QD end plate and drainage holes in the buffer tube.

I was in the middle of building a new AR-15 pistol and needed a reliable buffer tube kit. I was looking for something that would hold up to regular range use and maybe even some tactical training scenarios. The CMC Triggers name caught my eye, along with the promise of mil-spec construction.

Upon unboxing, the kit felt solid and well-made. The buffer tube had a nice, even finish, and the included hardware looked durable. The QD end plate was a welcome addition, as I always use a sling on my ARs.

I was considering kits from Aero Precision and Brownells, but the CMC Triggers kit was on sale and seemed to offer similar features at a slightly lower price point. Plus, the inclusion of the QD end plate sealed the deal. I was hoping for a simple, reliable kit that would complete my lower receiver build.

My first impression was positive. The parts looked and felt like they were built to last. I was excited to get it installed and see how it performed.


Real-World Testing: Putting CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit to the Test

First Use Experience

I first tested the CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit at my local outdoor shooting range. The weather was dry and mild, perfect for sighting in my new build. The installation process was straightforward, and everything went together smoothly.

The buffer tube allowed my Magpul stock to slide on easily and lock into each of the six positions securely. The recoil felt manageable, and the rifle cycled reliably. I did notice the spring felt a little ‘twangy’ but nothing too serious.

There weren’t any immediate issues, though I did spend time getting my sling situated using the new QD point. I didn’t notice any unusual wear, and the nitride finish seemed to be holding up well.

Extended Use & Reliability

After several months of regular use, the CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit has held up well overall. The finish on the buffer tube still looks good, with no signs of significant wear. The stock still locks securely into each position.

I’ve put several hundred rounds through the rifle using this kit, and it continues to function reliably. I have cleaned and lubed the buffer tube and spring a couple of times. A bit of CLP on the tube helps to smooth the function.

Compared to a no-name buffer tube I used on a previous build, the CMC Triggers kit is a noticeable improvement. The fit and finish are better, and the rifle feels more solid overall. It’s a worthy upgrade for any AR-15 build.

Breaking Down the Features of CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit

Specifications

The CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit includes several key specifications. The buffer tube is machined from 7075 T6 aluminum. This material is known for its high strength and lightweight properties.

The kit is compatible with any Mil-Spec AR-15 stock. The buffer tube features six adjustable positions. This allows the shooter to customize the length of pull for optimal comfort and control.

The kit also includes a standard 3 oz. carbine buffer and a high-tensile steel carbine action spring. These components are designed to ensure reliable cycling of the AR-15. The castle nut and QD end plate are made from high carbon steel and feature a nitride finish. This provides excellent durability and corrosion resistance.

The OTB (Over-the-Beach) drainage holes are a thoughtful addition. This allows water to drain from the buffer tube in wet environments. This is an important feature for tactical applications or use in adverse conditions.

Performance & Functionality

The CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit performs its job admirably. The buffer tube provides a stable and adjustable platform for the stock. The recoil spring and buffer work together to ensure smooth and reliable cycling.

One of the strengths of this kit is its ease of installation. The parts are all made to Mil-Spec dimensions. This ensures a perfect fit with any compatible AR-15 lower receiver and stock. The only weakness I can identify is the slightly ‘twangy’ sound of the spring, which is common in many AR-15 buffer systems.

The kit definitely meets my expectations. I was looking for a reliable and durable buffer tube kit, and this one delivers. It provides a solid foundation for my AR-15 build.

Design & Ergonomics

The design of the CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit is simple and functional. The 7075 T6 aluminum buffer tube is lightweight and strong. The nitride-coated hardware provides excellent corrosion resistance.

The kit is very user-friendly. Installation is straightforward, and adjusting the stock position is easy. There is no learning curve involved.

Durability & Maintenance

The CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit appears to be built to last. The high-quality materials and durable finish should provide years of reliable service. Regular cleaning and lubrication will help to extend its lifespan.

Maintenance is simple. The buffer tube can be easily cleaned with a brush and solvent. A light coat of oil or grease will help to keep the spring and buffer moving smoothly.

Accessories and Customization Options

The CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit comes with everything needed to install a stock on an AR-15 lower receiver. This includes the buffer tube, buffer, spring, castle nut, and QD end plate. There are no included stock options to consider.

The kit is compatible with any Mil-Spec AR-15 stock. Many aftermarket stocks are available from brands like Magpul, BCM, and Luth-AR. The QD end plate also allows for the easy attachment of a sling.

Pros and Cons of CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit

Pros

  • Durable 7075 T6 aluminum construction.
  • Mil-Spec dimensions ensure compatibility.
  • Includes QD end plate for easy sling attachment.
  • Nitride-coated hardware provides excellent corrosion resistance.
  • Easy to install and use.

Cons

  • Spring can be slightly ‘twangy’.
  • Some users have reported fitment issues with the QD end plate on some lowers.


Who Should Buy CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit?

The CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit is perfect for anyone building or upgrading an AR-15. It is ideal for recreational shooters, competitive shooters, and tactical users alike. Anyone looking for a reliable and durable buffer tube kit should consider this one.

This kit might not be the best choice for someone looking for the absolute cheapest option available. There are budget-friendly kits on the market, but they often sacrifice quality and durability. Also, if you require an H1, H2, or H3 heavier buffer, this kit may not be your first choice.

A must-have accessory for this kit is a quality Mil-Spec AR-15 stock. A good stock will provide a comfortable and stable shooting platform. A sling is also a worthwhile addition.

Conclusion on CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit

Overall, the CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit is a solid choice for anyone building or upgrading an AR-15. The quality components and thoughtful design make it a reliable and durable option. The value proposition is excellent, considering the included features and the CMC Triggers reputation.

I would personally recommend this kit to anyone looking for a Mil-Spec buffer tube assembly. The price is justified by the quality and performance. If you’re building an AR, don’t skimp on the buffer tube kit.

Upgrade your AR-15 today with the CMC Triggers AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit. You won’t be disappointed!

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