- M4-Style Buttstock, Black Polymer
- 6-Position Receiver Extension Tube, Mil-Spec Dia
- Carbine Buffer, Standard 3 oz Weight
- Carbine Buffer Spring
- Receiver End Plate
- Buffer Tube Lock Ring
The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.