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The gas tube is one of those small parts that quietly runs the whole show on a direct impingement AR. LBE Unlimited builds the ARGTM from 304 stainless steel seamless tubing, which is the same material choice you see on quality gas tubes across the board. The seamless construction and stainless grade hold up well against the hot, carbon-heavy gases and moisture that pass through the tube every time you pull the trigger, so it resists rust and pitting far better than cheaper alternatives.
This is the mid-length version, which is tuned for barrels roughly in the 14.5 to 18 inch range, with 16 inch builds being the sweet spot for a lot of people. Mid-length systems give a longer dwell time than carbine setups, which usually translates to a softer recoil impulse, less wear on the internals, and a rifle that just feels smoother to shoot. If your barrel has its gas port located at the mid-length position, this is the tube you want. The overall length lands right around 11.75 inches, matching the mid-length standard.
LBE includes the gas tube roll pin in the package, so you have what you need to pin the tube to your gas block. During install, make sure the gas port hole on the tube lines up with the opening in the gas block, then tap the roll pin through to lock everything in place. A roll pin starter punch makes the job a lot easier and keeps you from chasing the pin around the bench. From there the tube runs back into the upper receiver and seats into the bolt carrier gas key.
This is a straightforward, no-nonsense replacement or build part from a brand that supplies a ton of the AR component world. It is made in the USA and does exactly what a gas tube should do, which is deliver reliable cycling without drama.
The mid-length gas tube is designed for AR-15 barrels in the 14.5 to 18 inch range, with 16 inch barrels being the most common pairing. The key thing is that your barrel's gas port needs to be drilled at the mid-length position for this tube to line up correctly. If you are unsure, measure from the gas port to the chamber end of the barrel to confirm the system length before ordering.
Yes, the ARGTM ships with the gas tube roll pin included, so you have what you need to pin it to your gas block. Just make sure the gas port hole on the tube is oriented toward the gas block opening before you drive the pin. A roll pin starter punch makes the installation cleaner and helps prevent slipping.
304 stainless offers strong corrosion resistance, which matters because the inside of a gas tube deals with hot gases, carbon buildup, and moisture every time the rifle cycles. That resistance helps the tube hold up over time and avoid the pitting or degradation you might see with lesser materials. The seamless tubing construction adds to the durability.
Yes, standard mid-length gas tubes like the ARGTM are made to work with low profile gas blocks as well as standard front sight bases. The roll pin secures the tube to whichever block you are running. Just confirm your gas block is set up for a mid-length system so the geometry matches.
| UPC | 765857617527 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ARGTM |
| Model | |
| Product Type | Gas Tube |
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