Lantac Mspec Rifle Length Gas Tube
The Lantac Mspec rifle length gas tube is a mil-spec replacement or upgrade component built for AR-platform rifles that need a dependable gas system. Whether you're assembling a new upper, swapping out a worn tube, or fine-tuning your rifle's dwell, this stainless steel tube delivers the precision and durability you'd expect from a US-made part at a price that doesn't punish your build budget.
Lantac manufactures the M-SPEC gas tube from 306 stainless steel, chosen for corrosion resistance and longevity in harsh field conditions and repeated firing cycles. The tube arrives complete with the gas tube roll pin, so you have everything needed for installation—no additional hardware to hunt down. A laser-engraved marking preserves your work's traceability and professional finish.
This is a no-frills, mil-spec compliant gas tube: the kind of part that works quietly in the background while your rifle runs. Fit it in a new build, replace a damaged tube, or keep one on hand as a spare. Built in the USA, it's a straightforward component choice for shooters who value reliability over marketing noise.
Key Features
- Rifle-length gas tube for AR-platform rifles
- 306 stainless steel construction for corrosion resistance
- Includes gas tube roll pin
- Laser-engraved marking
- Manufactured in the USA
- Mil-spec compatible
Specifications
| Brand | Lantac |
| Product Line | M-SPEC |
| Length | Rifle |
| Material | 306 Stainless Steel |
| Includes | Gas Tube Roll Pin |
| Country of Origin | USA |
Frequently Asked Questions
What's included with the Lantac Mspec gas tube?
The tube ships complete with the gas tube roll pin, so you have both components needed for installation.
Will this gas tube fit my AR-15?
This is a rifle-length gas tube designed for AR-platform rifles. Confirm your rifle requires a rifle-length (not carbine or mid-length) tube before ordering.
Why stainless steel?
306 stainless steel resists corrosion and withstands repeated heating cycles, making it a durable choice for a component exposed to combustion gases and cleaning solvents.
Is this mil-spec compliant?
Yes, the Lantac M-SPEC gas tube is manufactured to mil-spec standards, ensuring compatibility with standard AR-platform uppers and lowers.

