338 DCM

I finally got my DCM dies back from the States yesterday.......custom dies & lots of patience go hand in hand....:oh noes:

I was going to use my 33.5" Lija 338 Norma barrel, but the new 36" Lija 1-10 showed up earlier than expected, makes a change :)

The 338 DCM is the little brother of the 375 DCM, it is an improved 408 Cheytac case designed by forum member Terminator

I formed up 50 Bertram cases this morning which hopefully should be enough for this barrel.

I haven't bothered to get the barrel fluted at this stage, mainly because of its apparently short life.

It is a pretty heavy 1.35" barrel at the action, and as such the whole thing weighs in at 22.5 lbs, 10.23kgs.

T3 Terminator Muzzle brake.
35" Lija 1-10 barrel.
Barnard P-Chey action.
XLR HD Evolution stock.
NF NSX 5.5-22x56 Scope.

http://i1004.photobucket.com/albums/...ps8f0c72e1.jpg

Because of the current weather situation both of the local ranges I use are closed, so I had the find some where to shoot it.

Unfortunately I could only find about a 100 yards to shoot & it wasn't suitable for the 35P so I had to use my MS instead, last time I tested it against the Oehler it was very close.

http://i1004.photobucket.com/albums/...ps9cb77623.jpg

http://i1004.photobucket.com/albums/...ps266a8b35.jpg

I loaded up 15 rounds of the Berger 300 OTMs, with three different powders to see how it would go.

I tried Reloder 50 which is a little too fast, 2218 which is only a wee bit too fast & VV 20-N-29 which is a little too slow.

Some thing between 2218 & 20-N-29 would be ideal.

I'm not really interested in using US 869 for various reasons.

So after 15 rounds it looks like it will happily run around 3475 to 3500 fps :thumbsup:

I have loaded up another 18 with 20-N-29 & 2218 to try tomorrow at a decent range hopefully, so I will have a better idea of where it will happily cruise.

When I have seen how the OTMs go for accuracy I will load the Elite Hunters to see if they can cope with the velocity.

http://i1004.photobucket.com/albums/...ps28c215f4.jpg

So far I am very happy with the speed & looking at todays target it is going to shoot well :)

I'm really looking forward to shooting it against the 375 DCM to see the real difference in the field at extreme range.

3475-3500fps !!! Holy heck thats fast

Wow is all one can say to that.:)
Be interesting to see how it goes way out there:)

Quote:

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Originally Posted by 7mmsaum

3475-3500fps !!! Holy heck thats fast

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OMG !!!
+ 1


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So it will eat the 375 version balistic wise then.

Quote:

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Originally Posted by L.R

So it will eat the 375 version balistic wise then.

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Not according to numbers I have at the moment, but there won't be much in, a side by side test will show it straight away.

Early days yet but what speed do you think it would run out of a 30 inch barrel?

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Quote:

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Originally Posted by veitnamcam

Early days yet but what speed do you think it would run out of a 30 inch barrel?

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Not sure but it would knock a bit of speed off probably 150 fps ??

Kirby gets 3350fps out of 33"

Loaded some more bullets with a conservative accurate load & shot them today at 620 yards along with the 375 DCM.

I loaded some of the Berger 300 grain Elite Hunters I've had lying around for a few months now.

It looks like they can cope with the massive launch speeds & pressure :D

Looking at the smashed up bullets I retrieved from the soft dirt bank they should work well on game :)

http://i1004.photobucket.com/albums/...ps96fc634e.jpg

So far it is looking good, I took it out this afternoon & shot some rocks out to 1400ish yards in fairly average conditions & I'm happy with how it performed