This A2 style preban hbar came off a model 6601. It is small hole, A2 sights, A2 flash suppressor, 20", 1x7 barrel, no bayo, in 98% or better condition. Comes with factory equiped colt charging handle, colt bolt and bolt carrier. In addition, I will throw in a front sight with bayo lug I bought off of ebay. Front sight has not been changed. Price is $425 shipped. Sorry no pictures. 3 day inspection full money back guarantee less shipping costs.