I have an SG553 that I am looking to trade. It is a Sig Sauer USA 2013 import. Matching with alloy lower and diopter sights- and pronged flash hider. Hardly any brass rash. Includes original case and one 30 rd mag. Can add B&T top rail, Quad rail handguard, adjustable stock (BFA rules apply) Cash price, or B&T handguard side rails for additional. $5250 obo shipped. Will trade for a 551- will add cash to trade for right deal/value. Trade preferred.7-one-3-8-two-4-6-8-7-two