What was the original caliber of my winchester model 70 serial num g1343864

THE CORRECT AMMUNITION FOR YOUR FIREARM IS INSCRIBED ON THE LEFT SIDE OF THE BARREL IF YOU WOULD LIKE AN OWNER'S MANUAL, COPY AND PASTE THIS ADDRESS INTO YOUR BROWSER'S ADDRESS WINDOW ( http://www.winchesterguns.com/content/dam/winchester-repeating-arms/support/owners-manuals/12-wra-332-model-70-om.pdf ) AND PRESS ENTER FOR A FREE PDF DOWNLOAD FROM WINCHESTER

G`Day..Your Model 70
The year of manufacture for serial number 1337707 is 1977
I would check out this site for a rough value as it depends on Caliber etc..Good Luck... Pete

http://www.gunsinternational.com/guns-for-sale-online/rifles/winchester-rifles-model-70-super-grade.cfm?cat_id=1288

Savage had a long history or caliber changes with that rifle. Anything from for .303 Savage, .30-30 Winchester, .300 Savage, .25-35 Winchester, .250 Savage (also called the .250-3000 Savage, .22 Hi Power, .22-250 Remington, .243 Winchester, .308 Winchester, .358 Winchester, 7mm-08 Remington, .284 Winchester, .38-55 Winchester, .32-40 Ballard, .375 Winchester

The most common stamp showing c3 was for 22

1981 according to Winchester serial number site

It is a pre-war Model 70 made in 1940. The caliber is marked on the barrel.

Winchester - Model 1876

• Winchester 1876 .45-60 (W5880) Winchester 1876 .45-60 caliber rifle. Made in 1883. Unusual gun as it has a half round half octagon barrel which is something you rarely find on a 1876. Gun is excellent with approximately 97% of the original finish. Wood is...
• Winchester 1876 .45-75 (W2960) Winchester 1876 .45-75 caliber rifle in 35xxx serial number range with 95% blue overall and excellent wood. Has a tiny T.J.H. on receiver. This is a top condition '76 with factory letter.
• Winchester 1876 .45-75 (W3037) Winchester 1876 .45-75 caliber rifle with very good wood and metal. Rare 7 leaf sight called for in factory letter. Rare 7 leaf sights are found on some 73's but not mentioned in the factory letter.