SOLGW's RE6 receiver extension kit has everything needed to mount a mil-spec carbine stock on an AR-15 lower. It includes a 6-position buffer tube, buffer, buffer spring, castle nut and end plate. The tube is aluminum with an anodized finish. It is a complete, one-box solution for finishing a carbine build.
- Fits: mil-spec AR-15 lowers
- Includes: 6-position buffer tube, buffer, buffer spring, castle nut, end plate
- Material: aluminum
- Finish: anodized
