This is the PARTS LOT: Rocker & Breech Bolt Guide   off of a Winchester Model  52   .22LR RifleThis was made in 1990 by Miroku of Japan for Winchester. I do not know if it will work on earlier models.  Its in very good used condition with only minor handling dings & scuffs from use.  You will receive the exact items pictured. 
 
I have the 24" heavy barrel off this gun listed separately.  The barrel  is stamped: U.S. REPEATING ARMS CO. - NEW HAVEN, CONN. USA - MADE IN JAPAN - WINCHESTER - MODEL 52 - .22 LONG RIFLE.     If interested check my other listings. 

 Buyer gets FREE shipping.

Gun parts are available to the US only as per Ebay rules