• Complete mil-spec AR-15 stock kit — nothing else to buy
  • Includes UTG Pro S4 buttstock, mil-spec 6061-T6 aluminum receiver extension, carbine buffer, action spring, receiver end
  • 4-position length-of-pull adjustment
  • Compact 4.28" stock body — good for shorter LOP shooters and armored setups
  • Matte black impact-resistant polymer

Full details and secure checkout: https://3crtactical.com/utg-pro-ar-15-ops-ready-s4-mil-spec-stock-kit/?utm_source=armslist&utm_medium=referral&utm_campaign=listing