CHOOSE YOUR SIZE Gas Tube AR-15 or LR-308

Select your gas tube based on the location of the gas port on your barrel. For instance, most 16" AR-15 barrels have a carbine-length gas port, and will be sold as a "carbine" barrel. However, if your barrel is sold as a "mid-length" barrel, you will need a mid-length gas tube. Gas tube roll pin is included.

Length:

• Pistol 6-5/8"
• Carbine 9-3/4"
• Mid-Length 11-3/4"
• Rifle 15-1/4"