Wilson Combat Gas Tube, Mid-Length, AR-15 TR-GTM If you're in search of an optimal replacement part for any AR platform rifle or upper" look no further than the Wilson Combat mid-length gas tube! It's sure to exceed all your expectations. Made to military specifications by a government contractor" this tube is built with uncompromising quality that ensures it will meet the needs of even the most demanding users. Its overall length of 11.75" makes it perfect for use in your AR-15 platform or any other configuration that requires a mid-length gas tube. Don't let inferior parts compromise the performance of your rifle; make sure you use the Wilson Combat mid length gas tube for ultimate reliability and precision.