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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

Setterguy
.275 member

Reged: 09/06/11
Posts: 78
Loc: Washington, USA

Re: Winchester 21 DR in 45-70
28/03/16 06:03 AM

Hello again. I have managed to re-start my project and making some headway. I believe I said in some earlier part of this that I needed to modify the receiver and add more mass in the standing breech area. The original Mod. 21 has 150 thousands of thickness there and that is not enough in my view to either allow for a bushing for the firing pin and add strength for any plastic deformation. I think that is the main problem that the gunsmith in Colorado had with his set of 7x57R barrels unhinging. Of course he used an original receiver. As we started milling we left 550 thousands for the standing breech only to find that even a modified hammer would hit the butt stock. So we took out an additional 100 thousands. This still leaves 450 thousands. Then we needed to redesign the hammer since the original hammer was a single integral hammer and firing pin. I have posted below the redesigned hammer. I believe it will work. Anyway some pictures:

This is the starting for the back of the receiver.

The raw receiver next to an original Winchester 21.

Setup in the CNC mill making the first hole for the locking lug.

Milling out the back.

I will post more as I make progress.
Bill

Edited by CptCurl (21/11/16 10:20 PM)

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Subject	Posted by	Posted on
Winchester 21 DR in 45-70	Setterguy	14/01/12 11:43 AM
Re: Winchester 21 DR in 45-70	twobobbwana	15/01/14 11:46 AM
Re: Winchester 21 DR in 45-70	Ckhobart	01/02/14 01:03 PM
Re: Winchester 21 DR in 45-70	Setterguy	17/02/14 02:19 PM
Re: Winchester 21 DR in 45-70	twobobbwana	18/02/14 12:24 PM
Re: Winchester 21 DR in 45-70	Setterguy	18/02/14 01:03 PM
Re: Winchester 21 DR in 45-70	Setterguy	20/02/14 02:34 PM
Re: Winchester 21 DR in 45-70	twobobbwana	20/02/14 04:43 PM
Re: Winchester 21 DR in 45-70	Shotgunlover	21/02/14 08:05 AM
Re: Winchester 21 DR in 45-70	Dumprat	23/02/14 03:52 AM
Re: Winchester 21 DR in 45-70	Setterguy	23/02/14 10:59 AM
Re: Winchester 21 DR in 45-70	Dumprat	23/02/14 11:52 AM
Re: Winchester 21 DR in 45-70	twobobbwana	24/02/14 11:47 AM
Re: Winchester 21 DR in 45-70	Ckhobart	13/03/14 05:21 AM
Re: Winchester 21 DR in 45-70	Setterguy	02/05/14 02:54 PM
Re: Winchester 21 DR in 45-70	Setterguy	02/05/14 03:21 PM
Re: Winchester 21 DR in 45-70	Shotgunlover	03/05/14 03:35 AM
Re: Winchester 21 DR in 45-70	Setterguy	03/05/14 07:43 AM
Re: Winchester 21 DR in 45-70	Setterguy	05/05/14 01:10 AM
Re: Winchester 21 DR in 45-70	twobobbwana	20/10/14 12:06 PM
Re: Winchester 21 DR in 45-70	twobobbwana	13/03/15 12:04 PM
Re: Winchester 21 DR in 45-70	CHAPUISARMES	14/03/15 08:27 AM
Re: Winchester 21 DR in 45-70	twobobbwana	01/10/15 11:03 AM
Re: Winchester 21 DR in 45-70	Setterguy	23/12/15 03:20 PM
Re: Winchester 21 DR in 45-70	DarylS	24/12/15 05:19 AM
Re: Winchester 21 DR in 45-70	Setterguy	24/12/15 11:21 AM
Re: Winchester 21 DR in 45-70	twobobbwana	11/01/16 11:51 AM
Re: Winchester 21 DR in 45-70	Setterguy	28/03/16 06:03 AM
Re: Winchester 21 DR in 45-70	Birdhunter50	29/03/16 02:09 AM
Re: Winchester 21 DR in 45-70	Setterguy	29/03/16 06:44 AM
Re: Winchester 21 DR in 45-70	Setterguy	29/03/16 11:13 AM
Re: Winchester 21 DR in 45-70	twobobbwana	29/03/16 11:50 AM
Re: Winchester 21 DR in 45-70	Setterguy	03/04/16 10:23 AM
Re: Winchester 21 DR in 45-70	Waidmannsheil	03/04/16 05:10 PM
Re: Winchester 21 DR in 45-70	4al2	03/04/16 09:26 PM
Re: Winchester 21 DR in 45-70	Setterguy	04/04/16 01:02 AM
Re: Winchester 21 DR in 45-70	Setterguy	09/04/16 11:35 AM
Re: Winchester 21 DR in 45-70	4seventy	14/04/16 04:35 PM
Re: Winchester 21 DR in 45-70	Waidmannsheil	15/04/16 06:32 AM
Re: Winchester 21 DR in 45-70	twobobbwana	06/06/16 10:45 AM
Re: Winchester 21 DR in 45-70	twobobbwana	02/09/16 10:37 AM
Re: Winchester 21 DR in 45-70	twobobbwana	18/11/16 11:31 AM
Re: Winchester 21 DR in 45-70	twobobbwana	31/01/17 11:44 AM
Re: Winchester 21 DR in 45-70	Setterguy	28/04/17 02:27 PM
Re: Winchester 21 DR in 45-70	Setterguy	01/05/17 07:44 AM
Re: Winchester 21 DR in 45-70	twobobbwana	02/05/17 02:41 PM
Re: Winchester 21 DR in 45-70	Setterguy	02/05/17 03:07 PM
Re: Winchester 21 DR in 45-70	CptCurl	03/05/17 09:12 PM
Re: Winchester 21 DR in 45-70	Waidmannsheil	01/05/17 07:00 PM
Re: Winchester 21 DR in 45-70	Setterguy	02/05/17 01:51 PM
Re: Winchester 21 DR in 45-70	Sarg	14/01/12 12:33 PM
Re: Winchester 21 DR in 45-70	tinker	14/01/12 02:22 PM
Re: Winchester 21 DR in 45-70	Setterguy	29/01/12 02:52 PM
Re: Winchester 21 DR in 45-70	Setterguy	30/01/12 02:14 AM
Re: Winchester 21 DR in 45-70	Setterguy	14/01/13 11:09 AM
Re: Winchester 21 DR in 45-70	Setterguy	16/01/13 03:45 PM
Re: Winchester 21 DR in 45-70	Setterguy	14/01/13 11:23 AM
Re: Winchester 21 DR in 45-70	Setterguy	16/01/13 03:50 PM
Re: Winchester 21 DR in 45-70	Setterguy	18/01/13 08:14 AM
Re: Winchester 21 DR in 45-70	TomN	18/01/13 10:16 AM
Re: Winchester 21 DR in 45-70	twobobbwana	18/01/13 12:08 PM
Re: Winchester 21 DR in 45-70	Setterguy	18/01/13 02:57 PM
Re: Winchester 21 DR in 45-70	Birdhunter50	19/01/13 01:13 AM
Re: Winchester 21 DR in 45-70	Setterguy	22/01/13 07:33 AM
Re: Winchester 21 DR in 45-70	Matabele	22/01/13 05:36 PM
Re: Winchester 21 DR in 45-70	AkMike	23/01/13 07:52 AM
Re: Winchester 21 DR in 45-70	twobobbwana	21/02/13 01:07 PM
Re: Winchester 21 DR in 45-70	Setterguy	21/02/13 02:02 PM
Re: Winchester 21 DR in 45-70	Setterguy	22/02/13 04:20 PM
Re: Winchester 21 DR in 45-70	Setterguy	22/02/13 04:25 PM
Re: Winchester 21 DR in 45-70	2152hq	23/02/13 04:42 AM
Re: Winchester 21 DR in 45-70	Setterguy	23/02/13 08:08 AM
Re: Winchester 21 DR in 45-70	2152hq	23/02/13 09:27 AM
Re: Winchester 21 DR in 45-70	Setterguy	05/03/13 02:35 PM
Re: Winchester 21 DR in 45-70	doubleriflejack	07/03/13 08:22 AM
Re: Winchester 21 DR in 45-70	Setterguy	14/03/13 02:06 PM
Re: Winchester 21 DR in 45-70	Setterguy	14/03/13 02:24 PM
Re: Winchester 21 DR in 45-70	twobobbwana	15/03/13 11:58 AM
Re: Winchester 21 DR in 45-70	Setterguy	15/03/13 03:25 PM
Re: Winchester 21 DR in 45-70	twobobbwana	15/03/13 05:11 PM
Re: Winchester 21 DR in 45-70	Setterguy	16/03/13 02:17 AM
Re: Winchester 21 DR in 45-70	aromakr	16/03/13 06:50 AM
Re: Winchester 21 DR in 45-70	Setterguy	16/03/13 08:27 AM
Re: Winchester 21 DR in 45-70	aromakr	16/03/13 10:59 AM
Re: Winchester 21 DR in 45-70	twobobbwana	18/03/13 02:23 PM
Re: Winchester 21 DR in 45-70	twobobbwana	22/04/13 10:42 AM
Re: Winchester 21 DR in 45-70	Setterguy	28/04/13 02:15 PM
Re: Winchester 21 DR in 45-70	twobobbwana	29/04/13 10:42 AM
Re: Winchester 21 DR in 45-70	twobobbwana	13/06/13 01:42 PM
Re: Winchester 21 DR in 45-70	Ckhobart	28/06/13 07:24 AM
Re: Winchester 21 DR in 45-70	Ckhobart	29/07/13 04:09 PM
Re: Winchester 21 DR in 45-70	twobobbwana	09/09/13 03:42 PM
Re: Winchester 21 DR in 45-70	Setterguy	14/01/14 03:48 PM
Re: Winchester 21 DR in 45-70	ad_bfl	07/03/13 03:45 AM
Re: Winchester 21 DR in 45-70	Setterguy	21/02/13 03:17 PM
Re: Winchester 21 DR in 45-70	twobobbwana	21/02/13 02:42 PM
Re: Winchester 21 DR in 45-70	twobobbwana	18/01/13 04:42 PM
Re: Winchester 21 DR in 45-70	DarylS	14/01/13 11:30 AM
Re: Winchester 21 DR in 45-70	twobobbwana	14/01/13 12:00 PM
Re: Winchester 21 DR in 45-70	Matabele	14/01/13 05:15 PM
Re: Winchester 21 DR in 45-70	Setterguy	15/01/13 10:54 AM
Re: Winchester 21 DR in 45-70	Setterguy	16/01/13 09:57 AM
Re: Winchester 21 DR in 45-70	twobobbwana	16/01/13 12:08 PM
Re: Winchester 21 DR in 45-70	DarylS	15/01/12 05:42 AM
Re: Winchester 21 DR in 45-70	Setterguy	16/01/12 02:18 PM

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