$13.49
Availability: In Stock
A reliable gas tube is the backbone of a smooth-running AR-15, and the Armaspec Mid-Length Gas Tube delivers the performance you need to keep your rifle running consistently. This 11.75-inch stainless steel gas tube is purpose-built for AR-15 rifles and handles the critical job of routing propellant gases from your barrel back through the gas block and into the upper receiver — the heart of your rifle's operating system. Whether you're troubleshooting a finicky platform, upgrading to match a new barrel, or simply replacing worn components, a quality gas tube matters more than many builders realize.
Armaspec equipped this tube with stainless steel construction, chosen for corrosion resistance and durability in the field and at the range. The mid-length design positions the gas port to balance reliability, controllability, and longevity — a proven configuration for everything from 3-gun and tactical shooting to hunting and general duty use. Made in the USA, it reflects the kind of attention to manufacturing that separates solid parts from the commodity bins.
If you've noticed bolt carrier speed issues, reliability hiccups, or just want to standardize your parts with known good components, this tube drops into any compatible mid-length AR-15 build. It's a straightforward swap that keeps your rifle cycling as designed.
| Product | Mid-Length Gas Tube |
| Length | 11.75 inches |
| Material | Stainless Steel |
| Caliber/Platform | AR-15 |
| Gas System Type | Mid-Length |
| Manufacturer | Armaspec |
This tube is designed for AR-15 rifles using mid-length gas systems. Verify that your gas block and upper receiver are set up for mid-length routing before ordering, as carbine and rifle-length systems use different tube dimensions.
The gas tube connects your gas block to the bolt carrier key and directs high-pressure gases from the barrel back into the upper receiver. These gases push the bolt carrier rearward, cycling the action and chambering the next round. Without a functioning gas tube, your rifle won't cycle reliably.
Stainless steel resists rust and corrosion better than standard steel, extending the life of the tube and maintaining reliability in wet conditions, coastal environments, or long storage periods.
If you're building a new rifle, upgrading to a different barrel length, or experience reliability issues tied to gas system performance, a quality replacement tube ensures your rifle functions as intended. Wear or corrosion on the original may also warrant a swap.
SKU: 121685966 • Weight: 1oz