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A gas tube is one of those small parts that quietly does a lot of work, and Spikes Tactical didn't cut corners here. This one is machined from Mil-Spec 304 stainless steel and finished in Melonite, which gives it a real edge when it comes to shrugging off heat and corrosion. The Melonite treatment also cuts down on reflection, so you're not putting a shiny piece of steel out where it can catch light on an open handguard. It's the same tube Spikes installs on their ST-15 rifles and every one of their complete upper receivers, so you're getting factory-grade hardware for a home build.
Pistol-length is the shortest of the four common gas system lengths, and it's what you want on the compact end of the AR-15 world. These setups are typically found on AR pistols and short-barreled builds running roughly 10.5 inches of barrel or less, where there simply isn't enough real estate for a longer system. A number of 300 Blackout builds also lean on pistol-length gas to stay reliable with subsonic loads. At 6 3/4 inches, this tube lands right in the sweet spot for those shorter configurations.
Because the gas port sits so close to the chamber on a pistol-length system, the tube deals with hot, high-pressure gas and more fouling than a longer setup would. That's exactly where the Melonite-coated 304 stainless earns its keep, holding up to sustained heat without warping or rusting. It also plays nicely with corrosive surplus ammo, which makes it a smart pick if you're running a 5.45 upper or shooting cheaper stock through a .223/5.56 build.
Each tube ships with a split roll pin, so you've got the hardware to seat it into the gas block during assembly. It's a straightforward, no-drama part that lets you finish a build or keep a spare in the parts bin for a quick repair down the road.
Pistol-length gas systems are built for the short end of the AR-15 lineup, generally barrels around 10.5 inches or less. Some 300 Blackout builds also run pistol-length gas even on longer barrels to stay reliable with subsonic loads. Match the gas tube length to your barrel's gas port location rather than just the barrel length itself.
Yes. This is the identical tube Spikes Tactical installs on their ST-15 rifles and all of their complete upper receivers. You're getting the same factory-spec part for a build or a spare, not a downgraded aftermarket version.
It does. Each tube ships with a split roll pin, which is what secures the tube inside the gas block during assembly. You'll want a proper roll pin punch and a bit of care when seating it to avoid mangling the pin.
Melonite over 304 stainless gives the tube strong heat and corrosion resistance, which matters on a pistol-length system where hot gas is tapped close to the chamber. It also holds up well against corrosive surplus ammo and cuts down on glare. The result is a tube that resists warping and rust over a long service life.
| UPC | 855319005891 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SUGT0M1 |
| Product Type | Gas Tube |
| Model | |
| Color | Silver |
| Length | 6 3/4 |
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