So I've got the new Sako A7 dialed in with a couple of loads but at present my working load is the 168g Amax launched a smidge over 2700fps. I've got about 400 of these so they'll keep me going for a while, but I wanted to do a penetration test alongside a couple of other Hornady bullets I've also got several hundred each of, and which I like to use for pigs and deer.
The candidates were then, the Hornady 130g Soft Point Flat Base, 150g Interlock FB and the 168g Amax. As usual I loaded two of each up, at two different velocities and shot all six into the same bundle of wet newspaper.
The two different load speeds were designed to simulate impacts at 50y and 200y, when launched at MV of 3100fps for the 130g, 2850 for the 150g and 2700 for the 168g Amax.
Results:
1) 130g Hdy SP
Impact Speed 2900
Penetration 24.5cm
Retained Weight 86.2g
Expanded Diameter 0.580
2) 130g Hdy SP
Impact Speed 2500
Penetration 26.0cm
Retained Weight 108.2g
Expanded Diameter 0.595
3) 150g Hdy Interlock
Impact Speed 2700
Penetration 26.5cm
Retained Weight 105.6g
Expanded Diameter 0.570
4) 150g Hdy I'lock
Impact Speed 2350
Penetration 26.5g
Retained Weight 127.8
Expanded Diameter 0.565
5) 168g Amax
Impact Speed 2600
Penetration 23.0cm
Retained Weight 100.4g
Expanded Diameter 0.695
6) 168g Amax
Impact Speed 2325
Penetration 26.5cm
Retained Weight 124.6
Expanded Diameter 0.690"
So what do you blokes make of all that? For the most part my take is (and please pardon my French) that there was bugger-all in it.
The Interlocks do what Interlocks do; penetrate reliably and hold together well, at the moderate speeds they're designed for. The Amaxes expanded very wide, created a wider wound channel through most of the newspaper (I'll post a photo or two) and they held together quite well at those modest, 308-esque speeds.
It was the little 130g SPs that surprised. These non-Interlock bullets launched faster than the rest, really did a good job. Lots of penetration, good weight retention and they also expanded nicely. Go figure.
All good options.
- Bob
The candidates were then, the Hornady 130g Soft Point Flat Base, 150g Interlock FB and the 168g Amax. As usual I loaded two of each up, at two different velocities and shot all six into the same bundle of wet newspaper.
The two different load speeds were designed to simulate impacts at 50y and 200y, when launched at MV of 3100fps for the 130g, 2850 for the 150g and 2700 for the 168g Amax.
Results:
1) 130g Hdy SP
Impact Speed 2900
Penetration 24.5cm
Retained Weight 86.2g
Expanded Diameter 0.580
2) 130g Hdy SP
Impact Speed 2500
Penetration 26.0cm
Retained Weight 108.2g
Expanded Diameter 0.595
3) 150g Hdy Interlock
Impact Speed 2700
Penetration 26.5cm
Retained Weight 105.6g
Expanded Diameter 0.570
4) 150g Hdy I'lock
Impact Speed 2350
Penetration 26.5g
Retained Weight 127.8
Expanded Diameter 0.565
5) 168g Amax
Impact Speed 2600
Penetration 23.0cm
Retained Weight 100.4g
Expanded Diameter 0.695
6) 168g Amax
Impact Speed 2325
Penetration 26.5cm
Retained Weight 124.6
Expanded Diameter 0.690"
So what do you blokes make of all that? For the most part my take is (and please pardon my French) that there was bugger-all in it.
The Interlocks do what Interlocks do; penetrate reliably and hold together well, at the moderate speeds they're designed for. The Amaxes expanded very wide, created a wider wound channel through most of the newspaper (I'll post a photo or two) and they held together quite well at those modest, 308-esque speeds.
It was the little 130g SPs that surprised. These non-Interlock bullets launched faster than the rest, really did a good job. Lots of penetration, good weight retention and they also expanded nicely. Go figure.
All good options.
- Bob