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Need help with checkered safety, please |
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colreed 
Grunt 
Joined: Feb 15 2016 Location: Hockley, TX Status: Offline Points: 452 |
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 Topic: Need help with checkered safety, pleasePosted: Sep 08 2018 at 5:21pm |
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I'm not smart at all on these. Should the ends have a champhored edge or is this one OK? Many thanks.
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"Rescuing one animal may not change the world, but for THAT animal, THEIR world is changed forever"
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Charles
Grunt
Joined: Mar 21 2016 Location: Maryland Status: Offline Points: 587 |
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Posted: Sep 09 2018 at 8:35am |
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There is a picture of that safety in Larson's M 1 Carbine and states, (Used through 1942)
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Charles
Co B 1st Batl.115 Inf. Reg. 29th. Divi. 4.2 Heavy Mortar Co Retired Life member NRA |
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Lupus Dei
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Club Secretary Emeritus Joined: Nov 09 2015 Location: CCC Status: Offline Points: 1417 |
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Posted: Sep 09 2018 at 11:08am |
I would warn caution to anyone referencing Larson or using it to determine is a part is original. In 2011 the club published a review by Brian Quick about the Larson book. Please read in full and understand what is being said.
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Louis Dey
Admin www.uscarbinecal30.com/forums |
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jackp1028
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Joined: Jan 01 2016 Location: Cloudcroft, NM Status: Offline Points: 1276 |
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Posted: Sep 09 2018 at 4:37pm |
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The legit Type 1 safeties I've see all have sharper checkering. They look more like the one on the left pictured below:
 Here's a link I trust to another couple of images of Type 1 safeties. It addresses the chamfer. http://www.uscarbinecal30.com/triggergroup4.html |
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JackP
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New2brass
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Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4657 |
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Posted: Sep 09 2018 at 6:46pm |
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Hmm, I would have to check, But try installing in a housing. Is it flush with the housing or does the checkering protrude?
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sling00
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Joined: Apr 21 2016 Location: Tennessee Status: Offline Points: 941 |
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Posted: Sep 10 2018 at 7:14am |
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FYI...Kuhnhausen's manual states diameter to be .310 +/-.003" If <.307 replace. I didn't find any specs for the older model safeties, only the late lever style.
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New2brass
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Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4657 |
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Posted: Sep 11 2018 at 2:38pm |
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I just checked a few safeties and as anticipated the checkered is longer, but only .007 which I attribute to the material growing if the pattern was stamped.
Checking a few in the housings both the checkered and smooth protrude slightly in one direction but fluch in the other. Basically you could not just check by installing. Remember the there were two checkered safety types. One had a more noticeable chamfer. However look at the side view above I find it suspect.
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colreed
Grunt
Joined: Feb 15 2016 Location: Hockley, TX Status: Offline Points: 452 |
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Posted: Sep 11 2018 at 2:44pm |
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I agree. I turned it down.
Thanks for your eval Regards Reed
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"Rescuing one animal may not change the world, but for THAT animal, THEIR world is changed forever"
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Charles wrote: