Rifle Length 15.125" Gas Tube With Roll Pin

When your AR-15 build or repair calls for a rifle-length gas system, this Rifle Length 15.125″ Gas Tube with Roll Pin is the essential, no-fuss component you need. Designed for direct installation, it reliably channels hot gas from the port back to the bolt carrier group, ensuring proper cycling. This is a critical AR-15 part for builders assembling a rifle with a 20-inch barrel or anyone replacing a worn tube in an existing rifle-length system. Miami Shooters Supply delivers this quality component with the fast shipping you expect.

Key Features

• Precision length of 15.125 inches, the standard for rifle-length gas systems on 20″ barrels.
• Includes a properly sized roll pin for a secure installation into the gas block.
• Constructed from high-tensile strength stainless steel for corrosion resistance and long service life.
• Features a black nitride or phosphate finish for added durability and reduced friction.
• Machined to exacting tolerances for a consistent fit and reliable gas seal.
• Ready for immediate installation with no additional parts required.

Built For

This gas tube is built for the AR-15 enthusiast assembling a classic A2-style rifle or a modern precision rifle with a 20-inch barrel. It’s also the exact replacement part for armorers and owners maintaining existing rifle-length AR-15s, ensuring they continue to run reliably shot after shot.

Specifications

• Gas System Length: Rifle
• Overall Length: 15.125 inches
• Material: 416/17-4 Stainless Steel
• Finish: Black Nitride or Phosphate
• Compatibility: Standard .750″ journal gas blocks; for AR-15 platforms in 5.56/.223 and similar calibers.

FAQ

How do I know if I need a rifle-length gas tube?
Your barrel dictates the gas system length. If you have a 20-inch barrel with the gas port positioned approximately 13 inches from the bolt face, you require this rifle-length gas tube.

Is the roll pin included?
Yes. A correctly sized roll pin for securing the tube to the gas block is included in the package, so you have everything needed for installation.