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 Identification & Photo Reference
 Gas Piston Nut ID. Single Slot
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Rickplayer
Starting Member


USA
7 Posts

Posted - 05/13/2017 :  12:35:38 PM  Show Profile Send Rickplayer a Private Message  Reply with Quote
I found two of these in a box of parts. Aftermarket?

Edited by - Rickplayer on 05/13/2017 12:36:07 PM

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Jackp
Veteran Member



USA
1011 Posts

Posted - 05/13/2017 :  2:23:14 PM  Show Profile Send Jackp a Private Message  Reply with Quote
Looks like a Howa Machine Ltd. part made in the '50's and '60's. Okay if you stake properly.

JackP

Edited by - Jackp on 05/13/2017 4:53:38 PM
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Tuna
Moderator



3229 Posts

Posted - 05/13/2017 :  9:44:53 PM  Show Profile Send Tuna a Private Message  Reply with Quote
Hummm the castle nut doesn't look like the ones I had on two Howa carbines I had. Both of those used castle nuts just like USGI nuts.
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Jackp
Veteran Member



USA
1011 Posts

Posted - 05/13/2017 :  10:12:32 PM  Show Profile Send Jackp a Private Message  Reply with Quote
Check Jim Mock's commercial carbine web site. He shows this exact same piston nut.

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JackP
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Tuna
Moderator



3229 Posts

Posted - 05/15/2017 :  09:58:18 AM  Show Profile Send Tuna a Private Message  Reply with Quote
Yup he does but be advised that when the 4000 were imported from Canada, many had to have parts replaced on them out in the land of Fruits and Nuts. Many had USGI parts installed on them from stocks to trigger housings. The one thing they are had in common was the bayonet lug was removed. Now to be honest with you both of mine were early ones under two hundred serial number wise. Both had USGI style nuts and staking on them with no evidence of replacement. At some point they may have had used up the parts they had on hand and switched over to one they made. Remember that during the Korean war, Howa had a contract with the US military as a rebuild and repair facility in Japan. There they refurbished M1 rifles, carbines, 1911A1's and of course BAR's. All parts were supplied by the US military. It was most likely that Howa had many left over parts when they got the contract from Thailand and the machinery from the US government to make the carbines.
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