Nov 10, 2011 I HAVE A MATCHMASTER REMINGTON .22 LR MODEL 513 IN GOOD shooter could be $600 - $700 the S model is worth slightly more For being and out of the box target rifle they great shooters and in I am away from home right now, If I was at home I might have been able to look up date for you.
This has been the most accurate gun I have ever owned, rifles included. .. does as the pistol was introduced prior to the Mod 600 Carbine which shares the same action. . You may find this link helpful to date your XP-100.