The Vltor RE-1 Receiver Extension tube for M4 and CAR15 series of carbines. The RE-1 is constructed from impact extruded 7075-T6 aluminum and meets all requirements of the military specification.

* Castle Nut and End Plate not included.

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemical(s) known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov/product