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Availability: In Stock
The Armaspec 15.125" rifle length gas tube is a precision-engineered component built to keep your AR-15 or M4 platform running reliably. If you're troubleshooting reliability issues, upgrading worn parts, or building a custom rifle, a quality gas tube is essential—it's the conduit that routes expanding barrel gases back into your upper receiver to cycle the bolt and keep rounds downrange. This stainless steel gas tube is manufactured in the USA and engineered to exacting tolerances for drop-in fitment on standard AR-15 platforms.
Gas tube performance directly affects your rifle's reliability and function. A worn, damaged, or improperly sized tube can lead to short-stroking, hard extraction, or bolt carrier speed issues that cascade into feeding problems. Armaspec's rifle length configuration is the standard for full-length gas systems—the choice for hunters and shooters who want a proven, direct replacement or upgrade component without guessing on fitment.
Whether you're running a factory rifle, a precision hunting build, or a duty-style carbine, having a known-good gas tube on hand is smart maintenance. Stainless steel resists corrosion and carbon buildup better than standard steel, which matters if your rifle sees adverse conditions or heavy use. Made in the USA, this gas tube reflects the kind of unglamorous but critical attention to detail that separates rifles that run from those that don't.
| Length | 15.125" |
| Gas System | Rifle Length |
| Material | Stainless Steel |
| Compatibility | AR-15, M4 Platforms |
| Origin | Made in USA |
This gas tube is designed for standard AR-15 and M4 platforms using a rifle-length gas system. It should fit rifles with standard gas block geometry, but always verify your rifle's gas system length before ordering to ensure compatibility.
Rifle length is the longest standard gas system configuration, running the full length of the handguard. It provides the most consistent dwell time and softest recoil impulse. Shorter lengths (carbine, midlength) exist for different barrel and handguard setups.
Stainless steel resists corrosion and carbon buildup better than standard steel, which extends the life of the component and reduces maintenance, especially in adverse weather or when the rifle sees regular use.
Gas tube installation is part of upper receiver assembly and requires removal of the gas block. If you're comfortable with basic AR-15 assembly, you can do it; otherwise, have a gunsmith handle it to ensure proper fitment and function.
SKU: 121686494 • Weight: 1oz
Availability: In Stock
The Armaspec 15.125" rifle length gas tube is a precision-engineered component built to keep your AR-15 or M4 platform running reliably. If you're troubleshooting reliability issues, upgrading worn parts, or building a custom rifle, a quality gas tube is essential—it's the conduit that routes expanding barrel gases back into your upper receiver to cycle the bolt and keep rounds downrange. This stainless steel gas tube is manufactured in the USA and engineered to exacting tolerances for drop-in fitment on standard AR-15 platforms.
Gas tube performance directly affects your rifle's reliability and function. A worn, damaged, or improperly sized tube can lead to short-stroking, hard extraction, or bolt carrier speed issues that cascade into feeding problems. Armaspec's rifle length configuration is the standard for full-length gas systems—the choice for hunters and shooters who want a proven, direct replacement or upgrade component without guessing on fitment.
Whether you're running a factory rifle, a precision hunting build, or a duty-style carbine, having a known-good gas tube on hand is smart maintenance. Stainless steel resists corrosion and carbon buildup better than standard steel, which matters if your rifle sees adverse conditions or heavy use. Made in the USA, this gas tube reflects the kind of unglamorous but critical attention to detail that separates rifles that run from those that don't.
| Length | 15.125" |
| Gas System | Rifle Length |
| Material | Stainless Steel |
| Compatibility | AR-15, M4 Platforms |
| Origin | Made in USA |
This gas tube is designed for standard AR-15 and M4 platforms using a rifle-length gas system. It should fit rifles with standard gas block geometry, but always verify your rifle's gas system length before ordering to ensure compatibility.
Rifle length is the longest standard gas system configuration, running the full length of the handguard. It provides the most consistent dwell time and softest recoil impulse. Shorter lengths (carbine, midlength) exist for different barrel and handguard setups.
Stainless steel resists corrosion and carbon buildup better than standard steel, which extends the life of the component and reduces maintenance, especially in adverse weather or when the rifle sees regular use.
Gas tube installation is part of upper receiver assembly and requires removal of the gas block. If you're comfortable with basic AR-15 assembly, you can do it; otherwise, have a gunsmith handle it to ensure proper fitment and function.
SKU: 121686494 • Weight: 1oz