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When you're finishing an AR build or keeping spare parts on the shelf, the gas tube is one of those small pieces that has to be right or nothing cycles. Spike's Tactical builds this one from Mil-Spec 304 stainless steel and adds a melonite finish, which gives it real resistance to heat and corrosion along with a low-glare black look that disappears nicely under a handguard. This is the exact same tube Spike's installs in its ST-15 rifles and every one of its complete upper receivers, so you're getting a factory-proven part rather than a bargain-bin replacement.
The melonite treatment isn't just for looks. It hardens the surface and helps the tube stand up to the constant heat and fouling that runs through a gas system round after round. That corrosion resistance is a genuine advantage if you shoot a lot of cheap surplus or corrosive ammo, which makes this tube a smart pick for 5.45 uppers as well as standard .223/5.56 builds.
This is a carbine-length tube measuring right around 9.75 inches, which matches the carbine gas system found on most AR-15s in the 10 to 16 inch barrel range. If you're not sure what you've got, measure from the front of your upper receiver to the front edge of your gas block. Roughly seven inches means carbine gas, and this tube is what you want. Getting the length right matters because the tube carries gas from the port back to the bolt carrier group, and the wrong size won't cycle the action reliably.
Spike's Tactical is a US manufacturer with a reputation for parts built to Mil-Spec standards, and this gas tube is backed by their lifetime warranty. It's lightweight at about 0.6 ounces, comes with the split roll pin for installation, and slots right in whether you're running a low-profile gas block on a fresh build or swapping out a worn tube. Simple part, done right, from a name that knows the platform.
This carbine-length tube runs about 9.75 inches and matches carbine gas systems, which are most common on AR-15 barrels in the 10 to 16 inch range. The quickest way to confirm your setup is to measure from the front of your upper receiver to the front edge of your gas block, where roughly seven inches indicates carbine gas. If you measure closer to nine inches you've got a mid-length system and would need the mid-length tube instead.
Yes, it ships with the split roll pin you need to secure the tube in the gas block. It's a good idea to have a proper roll pin punch on hand for a clean install so you don't mar the pin during assembly.
The melonite treatment gives the 304 stainless tube strong corrosion and heat resistance, which is exactly why Spike's recommends it for 5.45 uppers where cheap surplus and corrosive ammo are common. It handles standard .223/5.56 duty just as well. Regular cleaning still helps, but the finish adds a real layer of protection where the gas system takes the most abuse.
It is. This is the identical carbine-length tube Spike's Tactical installs in its ST-15 rifles and all of its complete upper receivers, so you're getting a factory-grade part for your own build. It's made in the USA and backed by the Spike's Tactical lifetime warranty.
| UPC | 855319005907 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SUGT0M2 |
| Color | Silver |
| Length | 9 3/4 |
| Model | |
| Product Type | Gas Tube |
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