Up for sale is a Century C93 in .223/5.56 in excellent condition. All HK internal parts. I am the original owner and only put a few hundred rounds through it. Weld are very good and sights are straight. I picked this gun out from a group of 10. Bolt gap is at .09 inches. Comes with bipod, 4 mags and ejector empty case protector. $650 $600. Sorry not trades.