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Re: how to check chamber length patrickwall #313560 02/13/13 08:57 PM
Joined: Jun 2012 Posts: 119 Calgary, Alberta Blue Grouse Sidelock
Blue Grouse Sidelock Joined: Jun 2012 Posts: 119 Calgary, Alberta	Patrick, According to the markings on your gun, it was indeed a 2 1/2" 12 ga. with 1 1/8 oz. Birmingham nitro proofs. The bore diameter at the time of proof was .719" The right barrel has no choke and the left does. Now you just need to check and see if the chambers were lengthened with one of the methods above. The small machinists slide rule works well and is cheap to acquire.

Entire Thread
Subject	Posted By	Posted
how to check chamber length	patrickwall	02/13/13 02:41 AM
Re: how to check chamber length	Buzz	02/13/13 02:51 AM
Re: how to check chamber length	Drew Hause	02/13/13 02:51 AM
Re: how to check chamber length	tw	02/13/13 03:19 AM
Re: how to check chamber length	patrickwall	02/13/13 03:33 AM
Re: how to check chamber length	2-piper	02/13/13 02:19 PM
Re: how to check chamber length	old colonel	02/13/13 03:16 PM
Re: how to check chamber length	Chuck H	02/13/13 03:49 PM
Re: how to check chamber length	skeettx	02/13/13 03:57 PM
Re: how to check chamber length	patrickwall	02/14/13 12:12 AM
Re: how to check chamber length	Blue Grouse	02/14/13 12:57 AM
Re: how to check chamber length	patrickwall	02/14/13 01:08 AM
Re: how to check chamber length	2-piper	02/14/13 03:02 AM
Re: how to check chamber length	lagopus	02/14/13 04:16 PM
Re: how to check chamber length	patrickwall	02/14/13 11:34 PM
Re: how to check chamber length	Rockdoc	02/15/13 01:52 AM

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