This is an NOS rare original WW2 Johnson Automatics M1941 barrel extension. Check my other listings for more Johnson parts. Please read all of the conditions of sale under the pictures. All payments MUST be received within 8 days. Please if you have a problem with anything contact me before you leave feedback.Parts should be professionally inspected/Installed /Fitted. This item is in the category "Sporting Goods\Hunting\Vintage Hunting\Vintage Gun Parts". The seller is "dealoftheday$" and is located in this country: US. This item can be shipped to United States.