.640 Bolt Face?

[lskok]

We just got our latest shipment of Savage parts, and as usual, there was a few mix ups in the parts and we got a few things we didn't order in place of what we did order. Interestingly, we receive something I have never seen before. At first I thought it was a 338 Lapua bolt head, but after putting the calipers on it, it appears to be a .640 bolt face. Does anyone know if Savage ever produced a rifle based on any cartridges that have a .640 rim diameter?

Regards,
Lance

[RustyShackle]

That's 505 Gibbs territory! Maybe a handful of wildcats with that diameter, but I don't think that savage factory chambered anything.

[Aaron L]

20G shotgun shells have a .615" rim. Maybe the 220 bolt action shotguns uses that bolt head. Just thinkin' out of my rear.....


https://www.dickssportinggoods.com/p/savage-arms-220-slug-gun-15svaa220wthscp20shg/15svaa220wthscp20shg

[DrThunder88]

It must be for their new Chey Tac Axis.

[Aaron L]

It must be for their new Chey Tac Axis.


http://www.savageshooters.com/attachment.php?attachmentid=3527&d=1501394748

[Robinhood]

20G shotgun shells have a .615" rim. Maybe the 220 bolt action shotguns uses that bolt head. Just thinkin' out of my rear.....


https://www.dickssportinggoods.com/p/savage-arms-220-slug-gun-15svaa220wthscp20shg/15svaa220wthscp20shg

It would seem this is the viable answer.

[scope eye]

It would seem this is the viable answer.


Thanks for ruining a perfectly good wet dream.:wacko:

Dean

[J.Baker]

20G shotgun shells have a .615" rim. Maybe the 220 bolt action shotguns uses that bolt head. Just thinkin' out of my rear.....


https://www.dickssportinggoods.com/p/savage-arms-220-slug-gun-15svaa220wthscp20shg/15svaa220wthscp20shg

Don't know what 20ga shell's you're measuring, but the few I just checked all measure around 0.765" on the rim.

Not sure what the .640 bolt head would be for. The .338 Lapua case head is 0.588" so I would imagine the bolt head for it would measure somewhere around 0.600". An additional 0.040" of clearance would be a lot even by Savage's typically loose standards.

[sharpshooter]

It's simple.....that bolt head is a screw up, they get out from time to time. At .640", it's too big for the extractor to even fit proper.

[RC20]

Chey Tac is .640

[Aaron L]

Don't know what 20ga shell's you're measuring, but the few I just checked all measure around 0.765" on the rim.

Not sure what the .640 bolt head would be for. The .338 Lapua case head is 0.588" so I would imagine the bolt head for it would measure somewhere around 0.600". An additional 0.040" of clearance would be a lot even by Savage's typically loose standards.

http://animediet.net/wp-content/uploads/2010/05/633861426363034370-Facepalm.jpg

Yeah I'm an idiot. I didn't grab a shell and measure the rim (even though I have boxes of 20G shells here for my Savage 24V). I google searched for "shotgun shell rim diameters" and got this image below. Too dumb to notice that the **** thing was showing bore diameters......


http://files.forensicmed.webnode.com/200000256-9c31f9d2bd/shotgun%20bore%20diagram.jpg


Here's a chart with all the dimensions...............including rim diameters. Looks like a person could use that bolt head for their very own 32gauge bolt action shotgun....

http://www.fourten.org.uk/guntrade1906.jpg