I have a preban config Colt SP1 upper assy for sale. Colt large pin rec,no forward assist,20" 1 in 12 chrome bore bbl,triangular handguards,3 prong flashhider,mint condition inside and out,does not include bolt,carrier or charger. Price is $295 plus actual shipping. I have photos on request. Please e mail me at Caitke5@attbi.com or IM me if interested.