What length gas tube does my AR-15 need?

It depends on your barrel length and gas system. Common lengths include pistol (4.5”), carbine (7”), mid-length (9”), and rifle (12”). Check your barrel manufacturer’s recommendation to ensure proper cycling.

What’s the difference between melonite and stainless steel gas tubes?

Melonite gas tubes are heat-treated for corrosion resistance and longevity, while stainless steel offers durability with a raw, polished look. Both are great—melonite is more heat-resistant.

Do I need to replace my gas tube often?

AR-15 gas tubes typically last thousands of rounds. Replace it if you experience gas system issues, cycling problems, or visible damage from heat and carbon buildup.

AR-15 Gas Tube – Rifle, Mid, Carbine & Pistol Length Options

Carbine Length Gas Tube

Mid Length Gas Tube

Rifle Length Gas Tube

The Complete Guide to AR-15 Gas Tube

How to Choose the Right AR-15 Gas Tube Length for Your Build

**Aim Sports AR-15 Gas Tube - Carbine Length 10"** $8.99

**Aim Sports AR-15 Gas Tube - Pistol Length 7"** $8.99

**Aim Sports AR-15 Gas Tube - Mid-Length Length 12"** $10.95

**Aim Sports AR-15 Gas Tube - Rifle Length 15"** $10.99

**PRI AR15/M16 Gas Tube Carbine Length** $17.00

**PRI AR15/M16 Gas Tube Mid-length** $17.00

**PRI AR15 - M16 Standard Rifle Length Gas Tube** $17.00

**PRI AR15 - M16 Straight Rifle Length Gas Tube** $13.00

**ATI AR15 Carbine Length Stainless Steel Gas Tube – 9.75″** $13.95

**ATI AR15 Carbine Length Black Nitride Gas Tube – 9.75″** $15.99

**Yankee Hill Carbine Length Gas Tube Blk** $36.99

**Yankee Hill Rifle Length Gas Tube Blk** $23.00

**Yankee Hill Mid Length Gas Tube Blk** $23.00

**Yankee Hill Pistol Length Gas Tube Blk** $23.00

**MSP AR-15 Gas Tube Pipe Cleaners - 50 Pack** $9.95

**Luth-AR Mid-Length Gas Tube – .223/5.56 Stainless Steel** $15.50

**Luth-AR Carbine Length Gas Tube – .223/5.56 Stainless Steel** $13.62

**Luth-AR Pistol-Length Gas Tube – .223/5.56 Stainless Steel** $12.68

**Luth-AR Rifle Length Gas Tube – .223/5.56 Stainless Steel** $16.44

**CMC Triggers AR-15 Gas Tubes - Nitride Coated Rifle Length** $19.99

**CMC Triggers AR-15 Gas Tube - Nitride Coated Mid Length** $24.11

**CMC Triggers AR-15 Gas Tube - Nitride Coated Carbine Length** $24.11

**CMC Triggers AR-15 Gas Tubes - Nitride Coated Pistol Length** $24.11

**Faxon AR Gas Tube Rifle Length Ss** $21.48

AR-15 Gas Tubes – Essential Parts for Every Build

When it comes to building or upgrading an AR-15, the gas tube plays a critical role in your rifle's cycling system. Whether you're working on a new upper or replacing worn-out parts, a quality AR-15 gas tube ensures reliable performance and consistent pressure regulation.

At Mounts Plus, we carry a variety of gas tubes for different setups including rifle-length, mid-length, and carbine-length gas tubes for your AR-15, each made from high-grade stainless steel for longevity and corrosion resistance.

Choose the Right AR-15 Gas Tube

Selecting the correct gas tube length is crucial for timing and reliability. If you're unsure which one fits your setup, here's a quick breakdown:

Carbine-Length Gas Tube – Ideal for 14.5" to 16" barrels.
Mid-Length Gas Tube – Works with 16" to 18" barrels, smoother recoil.
Rifle-Length Gas Tube – Best for 20" barrels and long-range accuracy builds.

We also offer AR-15 gas tube roll pins and gas blocks for a complete solution.

Built to Last

Each gas tube in our inventory is precision-machined and tested for fit and function. From mil-spec standards to enhanced materials like nitride-treated or stainless steel AR-15 gas tubes, we ensure your rifle cycles smoothly under pressure.

Why Buy From Mounts Plus?

We’ve been trusted by firearm builders and professionals for decades. Whether you're upgrading a duty rifle or finishing your first build, our customer service and product reliability set us apart.

🔗 Related AR-15 Components

Looking to complete your AR build or upgrade your current setup? Explore these must-have accessories:

AR-15 Gas Blocks – Pair your new gas tube with a precision gas block for optimal cycling and tuning.
AR-15 Upper Receiver Blocks – Essential for safe and secure installation during assembly.
AR-15 Handguards – Protect your gas system while improving grip and mounting space.
AR-15 Barrel – Everything from barrel nuts to flash hiders that work with your gas tube setup.
AR-15 Build Tools – Get the right tools for easy gas tube and upper installation.

These pages can enhance your knowledge and help you find everything you need to complete your AR platform with confidence.

🧠 FAQ

Q: What size gas tube do I need for my AR-15?
A: It depends on your barrel length and gas system. Carbine-length is the most common, but mid-length and rifle-length are often preferred for smoother recoil.

Q: Are stainless steel gas tubes better?
A: Stainless steel offers excellent corrosion resistance and long-term durability. It's a solid choice for all-around use and especially in humid environments.

Q: Do I need a special tool to install a gas tube?
A: No special tools are required beyond standard AR-15 build tools. A set of punches and roll pin holders can help with easy installation.

Q: Can I upgrade just my gas tube or should I replace the block too?
A: If your gas block is still functioning properly, replacing just the gas tube is fine. But pairing a new gas tube with a low-profile or adjustable gas block can improve performance.

🛒 Order Your AR-15 Gas Tube Today

Don't let a cheap or worn-out gas tube compromise your rifle's reliability. Browse our selection of AR-15 gas tubes, roll pins, and compatible gas blocks to get the perfect fit for your build. Orders ship fast — backed by expert support.