Speed vs weight, an interesting comparison

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Speed vs weight, an interesting comparison

Post by Supaduke » 07 Apr 2017, 9:09 pm

So I went to the range last weekend to have a plink and shakedown a few Milsurps before the Anzac Day competition.

I set up a 350mm square plate made of 10mm mild steel (I get it for free). Plate was set at about 210m (just past the 200m marker, I didn't really measure it).

I then had a shot with

No.4 mk1* .303
174gr fmj with 38.5gr 2208
Est 2400fps

FN M98 Mauser 30-06
150gr fmj with 47.5gr of 2208
Est 2850fps

Henry 45-70
325gr FTX with 50gr of 2207
Est 2000fps

Howa .223
55gr v-max with 25.3gr of BM8208
Est 3200fps

The Howa was scoped but the other three was ol fashioned iron sights

Only did a handful of shots with the .223 for comparison.
5 shots with the Henry (2 sighters to determine range settings)
About 20 shots each from the FN and no4
Results as follows.
IMG_0427.JPG
Plate
IMG_0427.JPG (850.25 KiB) Viewed 1564 times

IMG_0434.JPG
Plate rear
IMG_0434.JPG (1.05 MiB) Viewed 1564 times

IMG_0429.JPG
Dents
IMG_0429.JPG (1.78 MiB) Viewed 1564 times

IMG_0428.JPG
45-70
IMG_0428.JPG (511.41 KiB) Viewed 1564 times

IMG_0430.JPG
45-70 peeling
IMG_0430.JPG (1000.44 KiB) Viewed 1564 times

IMG_0433.JPG
All 4
IMG_0433.JPG (784.17 KiB) Viewed 1564 times

Top left 45-70, Bottom left 303, far right 30-06, inner right .223

As you can see the 45-70 sailed through.
.303 packed quite a wollop with a nice divot
30-06 was noticeably less intrusive
.223 barely scratched the paint.

Was my first shot at steel with the 45-70, I was expecting it to really give the plate quite a wack. From the bench I was really disappointed initially as the plate barely moved. On closer inspection it was revealed that it had drilled quite an impressive hole.

I know there is no real revelations here , but it was interesting to see the impacts side by side and the real life results.
Supaduke
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Re: Speed vs weight, an interesting comparison

Post by bigfellascott » 07 Apr 2017, 9:52 pm

We did something similar with some Hardox 500 plate (around 10mm thick I think) anyway the 22.250 poked a hole straight through it and the 308, 223 and 338 lap and 222 just left splash marks on it. :shock:

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bigfellascott
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Re: Speed vs weight, an interesting comparison

Post by duncan61 » 08 Apr 2017, 12:52 am

I shot 10mm biz alloy at 25 metres with the 7 mm rem mag with a 175 gn Winchester failsafe and it failed to penetrate but left a good dent in the back.At 100 metres on mild steel it makes a 25 mm hole and the 50gn soft nose .222 does not penetrate
.22 winchester .22hornet .222 .243 7mm rem mag cbc 12g
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