CMMG Receiver Extension Pistol

Made In USA 6 Position Mil-spec Diameter Receiver Extension Tube for AR15 Rifles Extension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread...

UTG PRO Commercial Spec 6-position Receiver Extension Tube 6-position Receiver Extension Tube with Commercial-spec Diameter for AR15 Rifles Precision Machined from 6061/T6 Aircraft Grade...

CMMG Gas Tube Kit Pistol Gas tube for AR15 pistol length gas system. Includes installation roll pin. Stainless Steel 55DA15F

UTG PRO 6-position Mil-spec Extension Tube for .308, Black • 100% Proudly Made in USA for Most Serious Users • 6-position Receiver Extension Tube with Mil-spec Diameter for .308 AR Rifles • Precision...

UTG PRO Mil-Spec 6-position Receiver Extension Tube 6-position Receiver Extension Tube with Mil-Spec Diameter for AR15 Rifles Precision Machined from 6061/T6 Aircraft Grade Aluminum Matte Black...