Winchester Model 70 POST-64

The Winchester Model 70 is a bolt-action sporting rifle. It has an iconic place in American sporting culture and has been held in high regard by shooters since it was introduced in 1936, earning the moniker "The Rifleman's Rifle". The action has some design similarities to Mauser designs and it is a development of the earlier Winchester Model 54. In order to reduce manufacturing costs in the face of higher labour rates, rifles manufactured from 1964 to 1992 differed from early Model 70s:  The receiver was forged into shape, then machined. Heat treatment of the receiver was localized to the areas where necessary, namely the cams and locking lugs, to prevent warping caused by overall heat treatment. Forging the receiver increased its strength and reduced the machining labor and time needed to achieve the final shape. The bolt was changed significantly. The bolt face was enclosed so that it fully surrounded the cartridge rim, in a similar way to the Remington 700 bolt. While cheaper to manufacture than the undercut bolt face needed for controlled feed actions, it is also stronger, providing more support to the cartridge case head, and better contains escaping gases in the event of a case rupture. The new bolt also differed from the old in that it was manufactured in 2 pieces (bolt-handle/collar and the bolt body) and then brazed together. The Mauser-inspired, non-rotating claw extractor (incompatible with a fully enclosed bolt head) was eliminated, and replaced with a small wedge-shaped extractor located within a lug of the bolt head. This type of extractor does not engage the cartridge rim as it rises from the magazine into the action, but rather clips over the cartridge rim after the cartridge has been pushed into the chamber and the bolt handle is turned down. This system is more vulnerable than the old system to jamming or being inadvertently closed on an empty breech (i.e., failing to load a new round) if operated under duress, especially if the rifle is held upside-down or on its side. In addition, the old extractor design served to stabilize the bolt while the action was open; without it, the new bolt did not have any such stabilization, and wobbled while fully open. This has since been fixed in later rifles, but it was nevertheless an obvious departure and certainly less elegant in function than the earlier models, which allowed the rifle to chamber cartridges smoothly from any position. Barrels wererifled by hammer forging, rather than the more costly process of being cut by hand. The machined steel trigger guard and floor plate were replaced with parts stamped from an aluminium alloy to reduce weight using the assembly from the pre-1964 Featherweight version. Some earlier models featured walnut stocks with checkering that was impressed onto the wood rather than cut into it as on the early Model 70s, further reducing manufacturing costs at the expense of a less positive grip on the rifle, particularly if the shooter is wearing gloves.



Item Id Origin Product Image Item Name+ Price Quantity
wp358
Bolt rear trigger guard Model 70 Post-64

Bolt rear trigger guard Model 70 Post-64

Bolt for the rear trigger guard on a Post-64 Winchester Model 70 rifle.
$6.00

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4
wp231 wop
Winchester Original Part
Buttplate screw (Single ORIGINAL screw) Winchester 1890,1866, 1873, 1892, 1894, 70 , 37, 12; Marlin, Remington ORIGINAL

Buttplate screw (Single ORIGINAL screw) Winchester 1890,1866, 1873, 1892, 1894, 70 , 37, 12; Marlin, Remington ORIGINAL

These are ORIGINAL large style slot head buttplate screws for regular black hardened plastic,...
$6.25

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15
wp57
Buttplate screw (SINGLE screw) Winchester 1890,1866, 1873, 1892, 1894 mod70 , 37, 12; Marlin, Remington, Stevens

Buttplate screw (SINGLE screw) Winchester 1890,1866, 1873, 1892, 1894 mod70 , 37, 12; Marlin, Remington, Stevens

These are the exact replicas of the large original style slot head buttplate screws crescent style...
$4.45

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356
wp836 wop
Winchester Original Part
Buttplate screw Winchester 1906 and 1902 ORIGINAL, inscribed flowered-head (SINGLE screw)

Buttplate screw Winchester 1906 and 1902 ORIGINAL, inscribed flowered-head (SINGLE screw)

ORIGINAL Buttplate screw with Flowered engraved in the head for the Winchester 1906, along with the...
$21.25

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7
wp46-a
Plug screw 6-48 receiver and scope holes Winchester model 54, 70 , 1894 pre 64, model 94 post 64 (single screw)

Plug screw 6-48 receiver and scope holes Winchester model 54, 70 , 1894 pre 64, model 94 post 64 (single screw)

These BLUED plug screws fill the holes that were drilled scope on a model 70 Winchester receiver....
$2.05

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14
wp355 wop
Winchester Original Part
Trigger Guard metal for a Winchester Model 70 post-64

Trigger Guard metal for a Winchester Model 70 post-64

A complete solid METAL  trigger guard for the post-64 Winchester Model 70.  Front and...
$76.00

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0
wp357 wop
Winchester Original Part
Trigger Guard Winchester Model 70 post-64

Trigger Guard Winchester Model 70 post-64

Trigger Guard Winchester Model 70 post-64.  Has floor plate release pin and spring.
$60.00

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0

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