Both pre- and post-'64 versions of the Model 70 actions have their strengths and weaknesses. At the same time as the CRF. But, the G preceding the U appears to have been added at a different time because the G is slightly above the base line G mandated by GCA of - see below , different font, different size and impression depth. The Bluing appears to be consistent across all the digits. Opposite side from Bolt clearly shows Winchester. Or are they for the Lyman Peep Sight? Aftermarket scope mounting holes?
Production Period Approximate serial number range Notable characteristics Pre-War or Type I A receiver featuring a cloverleaf tang, a clip-loading slot, and a recessed and roll-marked rear bridge.
Also present is a distinctive flag shaped safety lever and a stepped bolt handle shaft. No clip loading slot. No step on the bolt handle. Some transition rifles have a unique paw-shaped safety lever. Post-War or Type III These rifles have a tapered oval receiver tang and a non-recessed rear bridge which is drilled and tapped for a scope. These rifles also have the dog-leg shaped safety lever still found on current model 70s.
This stamped barrel was delivered from the factory on a rifle The cross reference below provides an estimated production date by serial number, based on model 70 polishing room room records. Year Serial number range Quantity produced 1 - - - - - - - - - 14 - - - - - - - - - - - - - - - - - - - In a future Campfire article, we will dig into the wide variety of model 70 rifles Winchester manufactured and will cover how to determine the Winchester catalog codes for each of your rifles.
A receiver featuring a cloverleaf tang, a clip-loading slot, and a recessed and roll-marked rear bridge. There were 3 different types of safeties used on these guns.
The pre was only made in a 'long' action, as when using shorter calibers, the magazine box had spacers added in either the rear or front, or both to allow feeding. A filler spacer block was added to the extractor ring that acted as a bolt stop and was made different lengths toaccommodate each caliber other than the standard and magnums. The ejector was made longer to compensate for shorter calibers.
Some Descriptive Features for Identification Purposes. The bolt handle on the pre-war will have a 90 degree step at the base and the transition does not. The pre-war will have clip slots at the front of the rear receiver bridge on all of the standard actions. The transition model has the clip slots on the target rifles in only or by special order.
The rear bridge on the pre-war has no original holes in the recessed and matted wavy line area. It does have 2 peep sight holes on the LH side of the rear receiver. Scope mounts in that era used a rear base that was made to use these peep sight holes on the side. The reason for this is that it appears there was 2 assembly lines. The carbines were discontinued about The transition safety lever was changed to swing to the muzzle to fire.
These 3position safeties had an abbreviated lever that did not hang lower than the topof the sleeve. The transition version has two holes on the rear bridgewith a space of. The buttplate was also aluminum. The stock had 2 holes drilled about7' deep under the buttplate. All other metal parts interchanged with the standard gun. The bows were made of a crude casting. Serial numbers range from one to around 10,; a few guns do not have serial numbers.
In Winchester introduced the Winchester rifle cartridge, chambered in their Model 70 Featherweight Bolt-Action rifle. To obtain date of manufacture on a Model 70 made after please contact the Winchester Customer Service Department at In the event of alteration or the serial number being expunged, the BATF needs to be advised.
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