I have for sale a brand new, unfired Preban Colt 20" HBAR Upper. It has a Colt 20" chrome lined barrel with 1/7 twist. Barrel is marked CMP 5.56 NATO 1/7 HBAR. Small front pivot, A2 flash hider, A2 Upper, no bayo lug, Dark (Blackish) Colt color. Charging handle is included. Bolt/carrier group is not included. Once again, this upper has had no rounds fired through it, it was removed from the original lower and put in a gun safe. Price is $375.00. Please email me if you want pictures. I accept Paypal (+3%) and money orders.