SOPMOD buttstock has storage compartments on each side and a removable rubber buttpad. A QD sling swivel socket is included on the left and right side of the stock, sling swivel sold separately. It installs on Colt (mil-spec) dimensioned receiver extensions (buffer tube) only.
SOPMOD mounting parts sold separately.
Note: Will only fit on mil-spec (Stag/Colt/LMT/Vltor/Magpul) dimensioned buffer tubes! They will not fit Bushmaster/Rock River Arms or most other makes. Mil spec dimensioned buffer tubes are available if needed.