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Re: 20 Gauge Pressures and Chamber lengths Skeeterbd #628238 04/02/23 06:53 AM
Joined: Apr 2012 Posts: 111 Likes: 20 Skeeterbd OP Sidelock
OP Skeeterbd Sidelock Joined: Apr 2012 Posts: 111 Likes: 20	KY John Yes you are right. The pressure for 20 gauge is 12000 psi as per SAAMI. Plus a 1000 on individual shells. This falls within the max statistical individual pressure as prescribed by CIP of 950 bar or 13799 CIP. So still within the service pressure parameters. I am afraid I can’t reload where i live and often have no choice in cartridges available. I have plenty of 20 bore 2 1/2 inch ammo at the moment but was thinking of a “rainy day” use for my Winchester shells. By the way Given that 12 gauge proofs for CIP are lower than SAAMI how do pressures work for gauge reducers, 12 gauge to 20 gauge? Thanks for your interest and info. All the best SkeeterBD

Entire Thread
Subject	Posted By	Posted
20 Gauge Pressures and Chamber lengths	Skeeterbd	04/01/23 05:10 PM
Re: 20 Gauge Pressures and Chamber lengths	Drew Hause	04/01/23 05:51 PM
Re: 20 Gauge Pressures and Chamber lengths	eightbore	04/01/23 08:51 PM
Re: 20 Gauge Pressures and Chamber lengths	Skeeterbd	04/01/23 09:45 PM
Re: 20 Gauge Pressures and Chamber lengths	Drew Hause	04/01/23 10:07 PM
Re: 20 Gauge Pressures and Chamber lengths	KY Jon	04/01/23 11:29 PM
Re: 20 Gauge Pressures and Chamber lengths	Skeeterbd	04/02/23 11:53 AM
Re: 20 Gauge Pressures and Chamber lengths	L. Brown	04/02/23 12:09 PM
Re: 20 Gauge Pressures and Chamber lengths	Drew Hause	04/02/23 12:39 PM
Re: 20 Gauge Pressures and Chamber lengths	Skeeterbd	04/02/23 12:54 PM
Re: 20 Gauge Pressures and Chamber lengths	KY Jon	04/02/23 01:10 PM
Re: 20 Gauge Pressures and Chamber lengths	lagopus	04/02/23 03:22 PM
Re: 20 Gauge Pressures and Chamber lengths	L. Brown	04/05/23 10:26 AM
Re: 20 Gauge Pressures and Chamber lengths	greener4me	04/02/23 08:49 PM
Re: 20 Gauge Pressures and Chamber lengths	Chukarman	04/04/23 02:50 AM
Re: 20 Gauge Pressures and Chamber lengths	greener4me	04/04/23 11:02 AM

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