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Double Rifles, Single Shots & Combinations >> Double Rifles

9.3x57
.450 member

Reged: 22/04/07
Posts: 5521
Loc: United States

Re: WWI Sniper Rifle
01/03/08 08:24 AM

John, that is an excellent book. I have a copy, too.

A couple points that have gone unmentioned, but should be:

There is much confusion associated with bullet penetration of various media. For example, the NE rounds make for relatively poor armor penetrators, but will penetrate fairly dense masses of soft obstacles; wood, sand, etc. Thus, what might make for a poor holer in plate might also make for a good penetrator of sandfilled sandbags. However, sniper pits were commonly built up using sandbags filled with rock, gravel, etc. Such a barrier is amazingly effectve at stopping even quite heavy bullets.

In fact, due to a variety of factors, penetration against soft targets like sand actually increases with range {to a limit, varying with caliber} and each caliber has an optimum range for penetration of wood, sand, gravel, brick, etc. The US military has guidleines for creating loopholes, manholes and mere penetrations of the various building materials as well, and extensive testing has been done to demonstrate how many rounds of each service caliber it takes to create such penetrations.

In addition, angle of impact makes a big difference to penetration depth as well.

Also, the German 13mm is a very impressive performer, similar to our .50 BMG and is light years more effective in holing steel than a .500 Nitro. The bullet diameter nothwithstanding. I have a bullet in my junk drawer someplace.

I myself have here on the place seen a round of steelcore {not AP} .50 BMG penetrate a 3/8 inch thick cold rolled plate, then a couple inches of airspace and then a half inch steel plate, this from a range of 400 meters.

Some curious experimenters could make an interesting day of shooting steel plate at 200, 300 and 400 yards with a variety of heavy NE rounds. Then do so with sandbags filled with a variety of materials. This sort of thing is quite instructive and would be quite interesting in light of various assertions made in various published sources.

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Subject	Posted by	Posted on
WWI Sniper Rifle	John	28/02/08 09:48 AM
Re: WWI Sniper Rifle	Checkman	15/03/08 02:30 PM
Re: WWI Sniper Rifle	9.3x57	16/03/08 12:18 AM
Re: WWI Sniper Rifle	John	25/03/08 11:20 PM
Re: WWI Sniper Rifle	NitroX	03/05/11 04:22 AM
Re: WWI Sniper Rifle	xausa	03/05/11 06:21 AM
Re: WWI Sniper Rifle	rigbymauser	03/05/11 07:41 AM
Re: WWI Sniper Rifle	lancaster	07/05/11 05:42 AM
Re: WWI Sniper Rifle	NitroX	15/03/08 04:44 PM
Re: WWI Sniper Rifle	CptCurl	15/03/08 09:58 PM
Re: WWI Sniper Rifle	John	01/03/08 06:01 AM
Re: WWI Sniper Rifle	NitroX	22/08/19 07:26 PM
Re: WWI Sniper Rifle	bouldersmith	11/05/17 11:53 PM
Re: WWI Sniper Rifle	3DogMike	12/05/17 02:04 AM
Re: WWI Sniper Rifle	Gunnie	08/06/11 09:17 AM
Re: WWI Sniper Rifle	elvas	08/06/11 05:14 PM
Re: WWI Sniper Rifle	lancaster	08/06/11 07:15 PM
Re: WWI Sniper Rifle	elvas	08/06/11 07:42 PM
Re: WWI Sniper Rifle	DarylS	09/06/11 05:38 AM
Re: WWI Sniper Rifle	elvas	11/06/11 07:40 PM
Re: WWI Sniper Rifle	NitroX	17/01/14 05:48 AM
Re: WWI Sniper Rifle	kuduae	17/01/14 07:36 AM
Re: WWI Sniper Rifle	kuduae	17/01/14 08:35 AM
Re: WWI Sniper Rifle	8borerifle	17/01/14 09:23 AM
Re: WWI Sniper Rifle	TH44	17/01/14 10:15 AM
Re: WWI Sniper Rifle	Ripp	02/03/08 09:02 AM
Re: WWI Sniper Rifle	9.3x57	01/03/08 08:24 AM
Re: WWI Sniper Rifle	450_366	02/03/08 08:16 AM
Re: WWI Sniper Rifle	9.3x57	02/03/08 09:34 AM
Re: WWI Sniper Rifle	450_366	02/03/08 09:16 PM
Re: WWI Sniper Rifle	9.3x57	03/03/08 01:28 AM
Re: WWI Sniper Rifle	9.3x57	10/03/08 11:48 PM
Re: WWI Sniper Rifle	9.3x57	13/03/08 11:53 AM
Re: WWI Sniper Rifle	mickey	28/02/08 09:52 AM
Re: WWI Sniper Rifle	NitroX	29/02/08 12:54 PM
Re: WWI Sniper Rifle	500Nitro	28/02/08 10:03 AM
Re: WWI Sniper Rifle	NitroX	28/02/08 12:50 PM
Re: WWI Sniper Rifle	9.3x57	28/02/08 03:35 PM
Re: WWI Sniper Rifle	500Nitro	28/02/08 03:37 PM
Re: WWI Sniper Rifle	9.3x57	29/02/08 12:46 AM
Re: WWI Sniper Rifle	Leonard	29/02/08 04:42 AM
Re: WWI Sniper Rifle	Bramble	29/02/08 04:50 AM
Re: WWI Sniper Rifle	Paul	29/02/08 04:19 PM
Re: WWI Sniper Rifle	DarylS	29/02/08 05:39 PM
Re: WWI Sniper Rifle	500Nitro	29/02/08 10:55 PM
Re: WWI Sniper Rifle	470evans	29/02/08 11:28 PM
Re: WWI Sniper Rifle	CptCurl	29/02/08 10:46 PM
Re: WWI Sniper Rifle	gryphon	29/02/08 05:34 PM
Re: WWI Sniper Rifle	9.3x57	01/03/08 12:32 AM
Re: WWI Sniper Rifle	John	01/03/08 12:50 AM
Re: WWI Sniper Rifle	John	29/02/08 05:54 AM
Re: WWI Sniper Rifle	9.3x57	29/02/08 01:45 PM
Re: WWI Sniper Rifle	NitroX	29/02/08 12:59 PM
Re: WWI Sniper Rifle	Bramble	29/02/08 04:33 AM
Re: WWI Sniper Rifle	mngane	29/02/08 04:26 AM
Re: WWI Sniper Rifle	AkMike	28/02/08 06:33 PM

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