No it's a centerfire, .35 remington.
the savage model 170 pump rifle was made from 1970-1981.
I assume you mean a Savage Model 170 rifle. The link below will take you to a website with photos of a Savage 170.
savage firearms began making the model 170,in 1970 and ended in 1981.
As of today 15 Dec. '08 there are two on line for $500. Google Savage 170 for sale.
A Savage 30-30 pump is the model 170 , they were manufactured from 1970-1981
Between $170 and $250.
I just bought a model 170 series b ser#c754716 in relativeley good condition for $200.00 Canadian.
Savage Model 170. was made fro,m 1970 to 1981
what is a 16ga bolt action j.c.higgens model 58314 worth
The extractor for a model 170 Savage Arms 30-30 can be purchased through Numrich catalogs. You can also find this part in the Brownell's catalog available at many gun stores.
http://www.gunreports.com/special_reports/long_guns/Savage-Slide-Action-Rifles-gunsmithing-model-1702516-1.html
You will need to identify the gun better than a "model 170" as in what is the manufacturer, caliber, type of gun, etc. Parts are available here: Numrich gunpartscorp.com Jack First jackfirstgun.com Bob's Gun Shop gun-parts.com