Description
When you're running a rifle-length gas system on an AR-15 or AR-10, the gas tube is one of those small parts that quietly does a big job. This Wilson Combat rifle-length gas tube measures 15.125 inches, which is the longest of the standard AR gas tube lengths, and it's made from mil-spec stainless steel with a natural stainless finish. Wilson Combat sources these through a government contract supplier, so you're getting the same quality that goes into serious duty builds, not a bargain-bin part that leaves you guessing.
What the Wilson Combat Rifle-Length Gas Tube Does for Your Build
The gas tube routes propellant gas from the gas block back to the bolt carrier's gas key, which is what cycles the action. A rifle-length system uses that longer 15.125-inch tube to give the gas a bit more travel before it hits the carrier, and the payoff is a smoother, softer recoil impulse and often better reliability on longer barrels. Stainless steel holds up well against the heat and corrosion that come with that job, so it stays consistent shot after shot.
Fit Notes Before You Order This Gas Tube
This is a direct-fit replacement for AR-15 and AR-10 uppers already set up for a rifle-length gas system. The tube length is dictated by where the gas port is drilled on your barrel, so match this to a rifle-length barrel and gas block and you're good to go. One thing worth knowing up front: the gas tube roll pin is not included in the package, so if you don't already have one on hand, grab one so you're ready to finish the install.
Why Builders Reach for the Wilson Combat Rifle-Length Gas Tube
Folks who've installed these tend to note they drop in easy and run right in spec, which is exactly what you want from a part you'd rather not think about once it's in. Whether you're swapping out a tube that's seen a lot of rounds or putting the finishing touch on a custom rifle, this is a dependable, no-drama choice from a name that's been building quality AR parts for decades.
Key Specifications
- Manufacturer: Wilson Combat
- Model: AR-15 Rifle Length Gas Tube
- Manufacturer Part Number: TR-GTR
- UPC: 811826024916
- Gas System Length: Rifle Length
- Tube Length: 15.125 inches
- Material: Mil-Spec Stainless Steel
- Finish: Natural Stainless
- Fits: AR-15 and AR-10 uppers with rifle-length gas systems
- Product Type: Accessory / Parts
What’s Included
- Wilson Combat rifle-length gas tube (tube only, roll pin not included)
Frequently Asked Questions
Does the Wilson Combat rifle-length gas tube come with a roll pin?
No, the roll pin is not included with this gas tube. You'll want to have a standard AR gas tube roll pin on hand to complete the install. It's an inexpensive part, so it's easy to add to your order if you don't already have one.
How do I know if I need a rifle-length gas tube versus another length?
The gas system length is determined by where the gas port is drilled on your barrel, not by your barrel's overall length alone. A rifle-length tube like this one measures 15.125 inches and pairs with a rifle-length gas block position. Always match the tube to your barrel and gas block setup before ordering.
Will this gas tube work on an AR-10 build?
Yes, this Wilson Combat rifle-length gas tube fits both AR-15 and AR-10 uppers that are configured for a rifle-length gas system. Just confirm your barrel uses a rifle-length gas port so the tube lines up correctly with your gas block and gas key.
Is this a genuine Wilson Combat part?
It is. This is a factory Wilson Combat gas tube made to military specifications through a government contract supplier. That's the same standard of quality found in serious duty and match builds, so it's a solid choice for a replacement or a fresh build.





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