i have a g1 rifle, bought it at a gunshow so the builder is unknown. it has a dsa rec dsa hts us pistol grip tapco ch and one mag with us follower and floorplate. park looks pretty fresh, buttstock could be refinished. rifle functions great, i shot about 150 rounds through it. i need a complete ar 15 upper with ch carrier and bolt. i would prefer preban, but let me know what you have. thanks. would consider selling outright for 550. + shipping.