Shop By Category


We are selling a custom BinTac BW S45 18x1mm 4″ steel barrel extension. With the original BinTac BW S45 (Not the mini), are barrel extension is needed if you want to install anything that needs to clear the air canister. This will fit on anything with an 18x1mm thread pitch (all brands).


In stock (can be backordered)

Your Cart

Add to cart