End of summer results

Discussions on the Olympic Arms WSSM Series

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End of summer results

Postby turkey » Sun Oct 02, 2011 7:07 am

After a summer of testing, tuning, trial and error, I think I have some pretty good results with my D-Tech 300 WSSM upper. I have 3 loads that group under an inch that will allow me to hunt anything my little heart desires on the continent.
My first load consists of 47.7 gr. of BLC-2 with a 150 gr. Speer Hot-cor @ 2850 fps.
target 300wssm0002.jpg

This is @ 100 yds. 5 shot group.

200.JPG


Same load @ 200 yds. note: the squares are 1/2" on both targets.


The other 2 loads are 1) 44 gr. of 4064 and 165 gr. Nosler ballistic tip and 2) 43 gr. of IMR 4320 with 180 gr. Sierra spire point.
The 165 and 180 gr loads don't go into the same hole but they are under 1 inch @ 100 yds.
The only thing I can say is thank you Mr. Milli for making such a superb product....

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Re: End of summer results

Postby Globemaster » Sun Oct 02, 2011 8:00 am

those are some very respectable groupings :thumbs up: ... so what are you hunting for this fall season?
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Re: End of summer results

Postby turkey » Tue Oct 04, 2011 6:34 pm

The plan is hunting for deer in upper Michigan, but it's nice to know I have loads capable of taking elk or moose...
It's also nice knowing the gun is capable of taking a neck shot @ 200 yards. There is just something comforting about
a firearm that is capable of threading the needle if needed.
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Re: End of summer results

Postby Globemaster » Tue Oct 04, 2011 6:50 pm

turkey wrote: The plan is hunting for deer in upper Michigan, but it's nice to know I have loads capable of taking elk or moose...

Good luck on your upcoming hunting season

turkey wrote: It's also nice knowing the gun is capable of taking a neck shot @ 200 yards. There is just something comforting about
a firearm that is capable of threading the needle if needed.

I feel the same way about my 25WSSM, as I’ve been surgically implanting that round on the deer for the past 5-6 year now.
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Re: End of summer results

Postby Rattler » Wed Oct 05, 2011 6:25 am

To me, the .25 seems to be the most inherently accurate of the WSSM's. What I mean by that is pretty much every load I have shot has given me quality results (MOA or better) virtually right out of the box.

Uber is now shooting my K8Mag upper with the carbon fiber wrapped barrel, and he is DEAD nuts with that thing. (HH is so surgically good with his .284 Ruger 77 MKI that I can;t get him to even TRY anything else, but that's beside the point...)

The 25WSSM has enough umph for everything up to Black Bear and Elk at least. I think I will try to get Oly VP Brian S. to make me a carbine version.... :thumbs up:
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Re: End of summer results

Postby Zooka » Mon Nov 28, 2011 7:14 am

Sorry to take so long to see this post, I also have gotten some good results with reloading my D-tech 300 WSSM / 30-25 WSSM (whichever).
Had some equipment problems,(operator error in chrony setup I'm pretty sure), plus it was never under 100 degrees F any day I went to the range over the summer so all powders were coming in hotter than predicted. So there were some real frustrating days at the range.
I am using modified C-Bass-16 P-mags, which I then go ahead and cut part of the front plate out of. That allows me to load to 2.30", which makes a very big difference over the factory 2.26. The plastic spreads a bit but the mag well keeps it under control. A couple of the steel mags allow for 2.30 as well, and with a little dremel work on the upper you can even go well over 2.30 with the Pmag. I kept my loads at 2.30.

Image

CAUTION: ALL OF THESE LOADS BELOW CAN BE DANGEROUS IF YOU LOAD TO THE REGULAR C.O.A.L. OF 2.26 INCHES!! You are responsible for working up to them from 10% less than my results. Watch your brass! Pressure signs I have seen in my AR'S brass from too-hot loads include the imprint of the ejector hole in the brass, as well as scuffs on the case head, and flattened and/or cratered primers. DON'T GO THERE!

Rifle: Dtech 30/25 WSSM, 22 inch stainless Shilen barrel. Oly lower.
Primer: WLR
I was chasing a load for the 165 grain Sierra Game King HP, mostly because I have never tried hunting HPs and a lot of folks are swearing by them lately. I did not load to the barn burning speeds possible, but I did get an excellent load, sub-MOA when I did my part, using TAC. 42.4 grains of TAC loaded to that length gave about 0.6 MOA. I called the "pulled right" before i saw the hit. :
Image


I also got a great, very stout load with the Nosler 180 grain Partition Protected Point, which is a nice short (1.18") 180 grain elk buster; very close to the regular 180 Partition except no lead soft point, so shorter. Here's a side by side:
Image

43.8 grains of H4895 under this Partition yielded a .475" 1-hole group of 4, with one flyer that took it to 1.02" / 1 MOA. Velocity was avg. 2715 fps, energy at muzzle was 2940 ft-lbs. A legitimate 300 yard elk load.
(Ballistics program says: The bullet is traveling at 2026 fps / 1640 ft-lbs @ 300 yds, and 1822 fps / 1300 ft-lbs @400 yds)
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Re: End of summer results

Postby turkey » Tue Mar 26, 2013 10:48 am

So I was able to spend some time out in the woods, but alas, the hunting gods were on vacation. No meat in the freezer this year. :cry: But then again even the worst day hunting tis better than the best day working.
300-3.JPG
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Re: End of summer results

Postby Globemaster » Tue Mar 26, 2013 11:12 am

I like what I see :mrgreen:

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Re: End of summer results

Postby turkey » Tue Mar 26, 2013 11:49 am

Yes it is some nice country.... :D
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Re: End of summer results

Postby Globemaster » Tue Mar 26, 2013 12:00 pm

oh yeah ... that too, I guess :D
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