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Shooting & Reloading - Mausers, Big Bores and others >> Shotguns

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9.3x57
.450 member


Reged: 22/04/07
Posts: 5504
Loc: United States
Buck and Slug Terminal Test
      #110383 - 25/07/08 10:58 AM

A Buck and Slug test:

Standard media and range, that is, a piece of 1/2 CDX plywood followed by a 1 gallon US milk jug, repeated. Range 20 meters.



Here goes:

Shot #1: Winchester 12 gauge, 2 3/4 inch 1 ounce rifled slug. Full penetration 3 boards, 2 jugs. Slug and wad found in 3rd jug.

Shot #2: Federal 12 gauge, 2 3/4 inch 1 ounce rifled slug. Chronographed velocity, 1514 fps. Full penetration 3 boards, 2 jugs. Found in 3rd jug, dented 4th board.

As you can see in the picture, the slugs expanded. Rupture of the first two jugs was severe, quite similar in my subjective opinion to that caused by higher velocity rifle rounds. There is no arguing that a 12 bore slug pokes a sizable hole regardless of expansion.

Shot #3: Eley Alphamax 12 gauge SSG Buckshot. One pellet struck the media. Full penetration 1 board, 1 jug. Found in 2nd board. I lucked out here as only the one pellet hit the jugs so I got a good idea of the capabilities of one pellet vs. what might have been confusing results had several struck. Of course, this doesn't say much about the likelihood of multiple pellets striking a killzone of milk jug size...

Also, since we all know each shot with buckshot is a stroll down a different street, the performance of another shot might be different, tho I'd be surprised to find pellets penetrating much differently than this one.

The gun is my old reliable Ithaca M87 with the 20" smoothbore slug barrel installed. Admittedly, it is worn and beatup now, and I recently restocked it with a aftermarket job from Numrich Arms after the old stock split. A while back, I tossed the semi-luminous "barleycorn"-type front sight and made a square blade front sight from a piece of key stock. In order to zero the gun I made a new elevator for the rear sight from a piece of millsaw blade and I recut the rear sight notch to my favorite, wide square notch.

This gun has always turned in excellent groups with slugs. Bore mikes .712 and I've polished it with steel wool, and a gizmo I rigged up with my drill press that spun a dowel wrapped with wet-dry sandpaper and buffing compound.

The following is a 3-shot group shot from sitting on the tire with elbows rested on knees, no bench, at 100 meters. Shot on my "Mythical Critter" target with no aiming point {Carideerelk? I don't know, I'm a lousy painter... }.



--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?


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DarylS
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Reged: 10/08/05
Posts: 26541
Loc: Beautiful British Columbia, Ca...
Re: Buck and Slug Terminal Test [Re: 9.3x57]
      #110428 - 26/07/08 04:12 AM

Amazing accuracy from that smoothie, Rod. Good camp gun, eh! the slugs seem to give about the same results as the swaged 220gr. .375's in your 9.3 except, of course, they'd open much larger wounds.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V


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9.3x57
.450 member


Reged: 22/04/07
Posts: 5504
Loc: United States
Re: Buck and Slug Terminal Test [Re: DarylS]
      #110479 - 26/07/08 11:32 PM

Thanks Daryl.

This gun, and many like it from what I've read, perform amazingly well with modern factory Foster type slugs, equalling many rifled guns at least out to 70-100 meters. I would be curious as to what it would do with a scope, although the sights right now are excellent. Years ago, Ithaca figured out that a slightly tighter-than standard, straight tubed gun with a highly polished bore was the key to Foster accuracy, so I've read. It is a swap-barrel gun, and seems to hold zero well between swaps, probably due to the Ithaca method.

It is very light, however, and after 20 shots or so I usually glance at my watch and decide I am late for another pressing engagement elsewhere and must pack up and skedaddle...

--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?


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DarylS
.700 member


Reged: 10/08/05
Posts: 26541
Loc: Beautiful British Columbia, Ca...
Re: Buck and Slug Terminal Test [Re: 9.3x57]
      #110482 - 27/07/08 12:08 AM

I wonder how it'd do with good round ball loads - smokeless and BP. The penetration would be better even with pure lead and especially so with WW balls. The .690" ball (Lee mould) held in the base cup (to centre it) of a trap wad, along with requisite wads to fill the space will attain upwards of 1,600fps. The .690" ball will run about 500gr. Too, the Lyman sabot waisted slug that fits in the shot cups might be another heavy penetrator at 506gr. WW and 525gr. pure lead. They will run out up to about 1,400fps.
: Check Lyman's loading manuals for data.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V


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9.3x57
.450 member


Reged: 22/04/07
Posts: 5504
Loc: United States
Re: Buck and Slug Terminal Test [Re: DarylS]
      #110489 - 27/07/08 01:39 AM

Daryl, you and me both.

When I get some time, I need to get casting and loading!!

In the meantime, this Federal load may see some deer-chasing this fall.

--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?


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