Looking to sell a Real KAC M4 RAS, Perfect for Mk.18 Mod.0 and Block 1.5 Clones or just upgrading your current Carbine Length Drop In Handguard System to the real deal. This will not fit TM/JG Style Delta Rings, although most others in the industry should fit it. Asking $175 + S/H, Will include 3 Full length Panels as well if buyer pays full asking price. Condition is good overall, There is a little bit of Corrosion on the Anti-rotation tab spring, and the heat shield has a Dent on the right side & some Paint wearing off near the front on the left. The Rail does have some "Moon Dust" still on it from use overseas in the nooks and crannies, And can be see in the pictures. I do have additional pictures of the faults that Hop Up won't let me add, so just ask and I'll send those over. I can meet locally, otherwise I accept Payment via PayPal G&S only. I am not interested in Trades unless you have a KAC Front and Rear BUIS set. Thanks for Looking, anyone interested can find my Contact Info by Googling Arrowhead Airsoft for a Faster Response.