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Riflespeed Adjustable Gas Control System Review: Best AR Gas Block?

Riflespeed's Adjustable Gas Contol System makes on-the-fly gas adjustments at the range a reality. But is it worth it? Come see what we think.

What if you could add a dial to your favorite AR-15 and give it some extra functionality? Pretty cool right?

Riflespeed bench close
Adjustable gas at your fingertips

Adjustable gas blocks have been around for a while but a company called Riflespeed has evolved them into a system that is almost magical.

We tested Riflespeed’s Adjustable Gas Control System out and will run through specs, features, and more. Prepare to be impressed!

Table of Contents

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Pros & Cons

Pros

• Wide range of adjustment
• Hand adjustable

Cons

• Requires basic knowledge to install
• More expensive than a basic gas system

Riflespeed installation
Installation wasn’t difficult but did require AR tools

The Bottom Line

If you shoot suppressed, you need to try Riflespeed. This system is so much better than previous versions of adjustable gas blocks because it is effective and easy to use. Shooters can dial in just the right amount of gas for their application.

Specs & Features

Specs

  • Width: 1.19″
  • Length: Various
  • Height: 1.53″
  • Weight: Varies based on length

Features

  • Tool-free adjustment
  • Range of sizes
  • Modular design
  • Numbered settings

Source: Riflespeed

Background

Riflespeed evolved from a need to adjust the gas system in AR-15 rifles.

CEO Kyle Lynch said the idea came after a training session in some extremely cold conditions. During his shooting, he experienced problems with his rifle not cycling.

Riflespeed Range close
Dial your level

The idea of being able to use more gas to push the rifle to work in tough conditions led to the final product. Other applications for the technology became immediately apparent.

Sometimes you want more gas, other times, you want less — especially when it comes to shooting suppressed.

.30 Cal and 5.56 Suppressors
.30 Cal and 5.56 Suppressors

Who Is It For?

Just about anyone who runs an AR-15 could benefit from using the Riflespeed since different conditions can have an outcome on performance.

However, people who shoot suppressed will likely see the largest benefits.

Riflespeed adjust
Easy adjustment

There are definitely law enforcement and military applications for this system also.

Fit & Feel

The gas block itself is a little tall at 1.53 inches and the Brigand Arms handguard I installed for this test just barely cleared it. Its parts are black anodized and made of high-quality metals.

How Does It Shoot?

The adjustability of the Riflespeed had me thrilled to test its capabilities. I started out at a pretty high setting — the higher the number, the more gas the system routes.

After a few shots, I noticed good recoil and brass trending to my 2-3 o’clock. A few clicks down and the recoil softened a bit, sending brass more to my 3-4 o’clock.

Riflespeed Range far
You’ll need clearance with your rail

A few more clicks and the weapon fired without cycling, demonstrating an impressive level of flexibility at the shooter’s fingertips.

What Sets it Apart?

The ability to make adjustments without tools is an improvement over previous adjustable gas systems that puts Riflespeed well ahead of the competition.

Plenty of options accomplish the same performance but require a tool that needs to be snaked under the rail.

Riflespeed controls
Varying lengths of controls are available for your setup

The dials are interchangeable (again, toolless) and can be swapped out if you change components like getting a longer rail.

In addition, the dials have full stops so you can’t accidentally remove them or adjust them out of range.

By The Numbers

Reliability: 5/5

I only fired around 250 rounds with the Riflespeed but all of them ran according to the amount of gas I had dialed, meaning no failures. If anything, the rifle became more predictable whether shooting suppressed or not.

Customization: 5/5

So far the system is set up for .750 inch and .625 inch gas seat journals. This is the diameter of the area on the barrel where the gas block mounts.

You can also buy whatever parts you need to fit the system to your rifle. Riflespeed has a tool on their website that allows you to plug in dimensions so you get the right setup.

Value: 4/5

By installing the Riflespeed you pick up an additional capability to adjust your rifle to different shooting conditions. These could include climate, ammo, and use of suppressors.

Current MSRP is $199.00 and this is significantly more expensive than a standard gas system, but you get a lot more bang for your buck with the Riflespeed.

Overall: 5/5

While comparatively expensive, the system provides the shooter the ability to tune their rifle to suit their needs and this is a very cool option.

Final Verdict

I really liked the Riflespeed. The more I used it, the more applications I saw. The biggest benefit is adjusting between standard and suppressed shooting.

Riflespeed shooting
Riflespeed shooting

Better yet, you can pick out a dial size that fits under your rail since they are available in different lengths.
Being able to adjust your gas on the fly, means no more creeping tools under the rail or going without if you forgot your wrench.

I could ultimately see this becoming OEM with companies that make builds dedicated to suppressed use.

And although I listed basic knowledge as a requirement to install the Riflespeed, they sell uppers with the system already built-in for those without the tools, time, or inclination.

Have you used adjustable gas blocks before? Let us know in the comments below and be sure to check out our article Best Adjustable Gas Blocks.

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5 Leave a Reply

  • Commenter Avatar
    Garyse Gun Shop

    Amazing blog! we have decided to buy some firearms before purchasing these firearms, we consult with Garyse Gun Shop about the firearms and we bought some tools from them. We got some information from some blogs and our experience was amazing.

    April 18, 2022 9:25 am
  • Commenter Avatar
    Jim

    I love the pictures, except who owns a rifle with a hand guard that stops before the gas block. I’ve never seen such a rifle pictured anywhere, or in person. So the concept might be great, the application is not really user friendly.

    April 15, 2022 11:00 am
    • Commenter Avatar
      Sean Curtis

      Jim,

      I put this on our Frankenrifle, a gun we use to test various AR accessories we receive. I got in a few parts from RifleSpeed but didn't get the perfect fit aesthetically. The ideal setup would be a control knob that just reaches out from under the handguard. I chose a setup (short handguard) that was more visually revealing for display purposes. Thankfully, RifleSpeed has various parts to make their system work on most rifles.

      April 21, 2022 1:20 pm
  • Commenter Avatar
    Matty

    Are we just going to ignore the snappy outfit?

    April 15, 2022 8:13 am
    • Commenter Avatar
      Sean Curtis

      We aim to please Matty!

      April 21, 2022 1:21 pm
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