This Stevens manufactured 18" long barrel in .22 Long Rifle caliber is for the Maynard Junior single shot lever action rimfire rifle and is in very good condition exhibiting a mixture of original blue finish and a brown patina with some scattered specks of light rust.  This barrel includes the extractor. The front part of this barrel is round and the last 5 1/2" rear portion is octagon. (file photos)

NOTE: Stevens Maynard Jr rimfire rifles with the following year/serial numbers have been observed with this part: NSN