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 Post subject: Model 12 "milled" rib question?
PostPosted: Sat Apr 03, 2021 10:17 am 
Presentation Grade

Joined: Sun Jul 31, 2011 10:10 am
Posts: 617
Location: Charlotte, NC
Why is a 2-pin ventilated duck-bill ribbed M-12 referred to as a "milled" rib? What is milled? Also, I presume because of the pins it is a floating rib not a fixed rib? Thanks for educating me!




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 Post subject: Re: Model 12 "milled" rib question?
PostPosted: Sun Apr 04, 2021 3:37 pm 
Diamond Grade

Joined: Sun Jan 14, 2007 10:41 pm
Posts: 1128
Location: Vancouver Island
The first Winchester vented rib was the 2-pin milled vented rib. Very labor intensive beautiful example of old world machining skills. The barrel posts were milled from the barrel stock being dressed down and the rib was milled in a separate procedure creating another set of rib posts that slipped over the barrel posts, allowing the rib to float with a hot barrel, securing it with 2 pins on the post at the end of the magazine.

Model 12 Skeet

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Couple of Model 12 Trap

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 Post subject: Re: Model 12 "milled" rib question?
PostPosted: Sun Apr 04, 2021 4:03 pm 
Crown Grade

Joined: Sat Nov 05, 2016 11:45 am
Posts: 2265
Wow, I”d love to take one of those trap guns out for a spin.


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 Post subject: Re: Model 12 "milled" rib question?
PostPosted: Mon Apr 05, 2021 3:11 pm 
Presentation Grade

Joined: Sun Jul 31, 2011 10:10 am
Posts: 617
Location: Charlotte, NC
Wraco, many thanks for the explanation. You're right, a lot of work went into these guns. I have a 1954 2-pin field gun with checkered stockset, that has been respectfully re-blued about 25 years ago. I doubt if it has been shot since. You've got me thinking that I should have it re-stocked.


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 Post subject: Re: Model 12 "milled" rib question?
PostPosted: Tue Apr 06, 2021 12:21 pm 
Tournament Grade

Joined: Wed Dec 13, 2006 6:18 am
Posts: 112
Location: Ohio
McFarmer wrote:
Wow, I”d love to take one of those trap guns out for a spin.


Quoted for truth! NICE!


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 Post subject: Re: Model 12 "milled" rib question?
PostPosted: Tue Apr 06, 2021 3:10 pm 
Crown Grade

Joined: Sun Dec 09, 2007 11:12 am
Posts: 5060
Location: WA/AK
Winchester only ever set up to do two 12-gauge barrel lengths with the "Winchester Ventilated Rib" the 30-inch trap barrel and the 26 3/4 inch skeet barrel. The boys and girls at Ilion milled their ribs, both solid and ventilated integral with their barrels from the introduction of the John M. Browning designed Remington Autoloading Shotgun through the end of Model 31 production.




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