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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

eagle27
.400 member

Reged: 24/01/09
Posts: 1124
Loc: Nelson, New Zealand

Re: Views on Taylor Knockout (TKO) Formula
14/03/11 06:00 PM

Wes350, the Kynoch website lists their loads for the various cartridges they load today and it seems they have stuck to the original specifications for these cartridges. They list the 404 Jeffery 400gr at 2125fps from a 28" barrel with 16 tons/inch2 pressure, the 416 Rigby 410gr at 2300fps from a 26" barrel with 18 tons/inch2 pressure and the 425WR 410gr at 2350fps from a 32" barrel with 18tons/inch2 pressure.

Of course these barrel lengths are not the normal length used on the old Mausers or any modern gun, most being 24" or less. The original WR rifles did have long 28" barrels according to Taylor which were unhandy to use in the bush.

If your Rigby velocity of 2350fps was indeed that and derived from a 28" barrel you would expect a drop of more than 50fps going to a 24" barrel. Even at 20fps per inch less barrel length which is low, your MV for the Rigby would be 2270fps.

As always there is only one way to find out exactly what the MV is of any gun with any load and barrel length and that is to chrony it. My Mauser 404 usually gives 100fps less than advertised factory loads so is around 2150 fps with factory stuff. Got the job done on some big Aussie buffalo without any drama and I suppose that is all you ask for.

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Subject	Posted by	Posted on
Views on Taylor Knockout (TKO) Formula	gryphon	16/02/11 05:55 AM
Re: Views on Taylor Knockout (TKO) Formula	Reggie	16/04/11 06:07 PM
Re: Views on Taylor Knockout (TKO) Formula	bonanza	17/02/11 11:16 PM
Re: Views on Taylor Knockout (TKO) Formula	Huvius	18/02/11 03:19 AM
Re: Views on Taylor Knockout (TKO) Formula	Ben	16/02/11 07:06 AM
Re: Views on Taylor Knockout (TKO) Formula	bigdog	17/02/11 05:08 PM
Re: Views on Taylor Knockout (TKO) Formula	kamilaroi	17/02/11 06:38 PM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	18/02/11 03:25 AM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	19/02/11 02:15 AM
Re: Views on Taylor Knockout (TKO) Formula	4seventy	19/02/11 06:56 AM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	19/02/11 07:31 AM
Re: Views on Taylor Knockout (TKO) Formula	4seventy	19/02/11 11:04 AM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	19/02/11 05:10 PM
Re: Views on Taylor Knockout (TKO) Formula	JabaliHunter	24/02/11 04:58 AM
Re: Views on Taylor Knockout (TKO) Formula	kaizer2007	19/02/11 06:31 PM
Re: Views on Taylor Knockout (TKO) Formula	kamilaroi	19/02/11 08:37 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	20/02/11 03:21 PM
Re: Views on Taylor Knockout (TKO) Formula	4seventy	23/02/11 03:47 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	01/03/11 06:00 AM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	24/02/11 12:08 PM
Re: Views on Taylor Knockout (TKO) Formula	kaizer2007	20/02/11 05:08 PM
Re: Views on Taylor Knockout (TKO) Formula	FATBOY404	20/02/11 05:07 PM
Re: Views on Taylor Knockout (TKO) Formula	Rule303	20/02/11 06:46 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	20/02/11 07:32 PM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	21/02/11 04:02 AM
Re: Views on Taylor Knockout (TKO) Formula	500Nitro	21/02/11 04:39 AM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	21/02/11 05:43 AM
Re: Views on Taylor Knockout (TKO) Formula	500Nitro	21/02/11 09:28 AM
Re: Views on Taylor Knockout (TKO) Formula	Homer	21/02/11 09:12 AM
Re: Views on Taylor Knockout (TKO) Formula	BillA	19/04/11 03:39 PM
Re: Views on Taylor Knockout (TKO) Formula	tophet1	19/04/11 05:25 PM
Re: Views on Taylor Knockout (TKO) Formula	eagle27	19/04/11 07:31 PM
Re: Views on Taylor Knockout (TKO) Formula	kamilaroi	19/04/11 08:50 PM
Re: Views on Taylor Knockout (TKO) Formula	eagle27	20/04/11 02:29 PM
Re: Views on Taylor Knockout (TKO) Formula	chuck375	21/04/11 11:49 AM
Re: Views on Taylor Knockout (TKO) Formula	Grenadier	29/05/11 01:13 PM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	30/05/11 04:07 AM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	30/05/11 10:59 AM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	30/05/11 11:09 AM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	30/05/11 12:36 PM
Re: Views on Taylor Knockout (TKO) Formula	Omnivorous_Bob	01/06/11 12:01 PM
Re: Views on Taylor Knockout (TKO) Formula	eagle27	01/06/11 05:10 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	29/05/11 10:40 AM
Re: Views on Taylor Knockout (TKO) Formula	bigjedd	01/03/11 06:57 AM
Re: Views on Taylor Knockout (TKO) Formula	450_Ackley	02/03/11 06:40 AM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	02/03/11 07:47 AM
Re: Views on Taylor Knockout (TKO) Formula	eagle27	02/03/11 04:31 PM
Re: Views on Taylor Knockout (TKO) Formula	Wes350	14/03/11 04:50 AM
Re: Views on Taylor Knockout (TKO) Formula	eagle27	14/03/11 06:00 PM
Re: Views on Taylor Knockout (TKO) Formula	Bindi2	14/03/11 11:01 PM
Re: Views on Taylor Knockout (TKO) Formula	eagle27	15/03/11 03:41 PM
Re: Views on Taylor Knockout (TKO) Formula	Bindi2	15/03/11 07:36 PM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	16/03/11 02:16 AM
Re: Views on Taylor Knockout (TKO) Formula	Bindi2	16/03/11 04:09 PM
Re: Views on Taylor Knockout (TKO) Formula	kamilaroi	15/03/11 08:34 PM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	15/03/11 01:11 AM
Re: Views on Taylor Knockout (TKO) Formula	500Nitro	02/03/11 06:50 AM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	02/03/11 08:31 PM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	03/03/11 03:39 AM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	03/03/11 09:20 AM
Re: Views on Taylor Knockout (TKO) Formula	500Nitro	03/03/11 09:26 AM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	03/03/11 12:22 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	03/03/11 01:00 PM
Re: Views on Taylor Knockout (TKO) Formula	500Nitro	03/03/11 01:13 PM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	03/03/11 02:51 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	03/03/11 03:51 PM
Re: Views on Taylor Knockout (TKO) Formula	hunter_angler	04/03/11 12:42 AM
Re: Views on Taylor Knockout (TKO) Formula	500Nitro	03/03/11 03:00 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	03/03/11 10:22 AM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	03/03/11 08:22 AM
Re: Views on Taylor Knockout (TKO) Formula	FATBOY404	02/03/11 06:59 AM
Re: Views on Taylor Knockout (TKO) Formula	DarylS	21/02/11 11:01 AM
Re: Views on Taylor Knockout (TKO) Formula	FATBOY404	21/02/11 11:08 AM
Re: Views on Taylor Knockout (TKO) Formula	4seventy	23/02/11 03:48 PM
Re: Views on Taylor Knockout (TKO) Formula	Freeloader123	19/02/11 08:29 AM
Re: Views on Taylor Knockout (TKO) Formula	JabaliHunter	19/02/11 08:47 AM

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