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long range 338

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13 November 2003, 13:05
crow mag
long range 338
I am thinking about building a bolt pistol in 338 and was woundering if I could get 2500 to 2600 FPS with the 300g siera bullet out of a 18 inch barrel and what case would it take.
Crow Mag

[ 11-13-2003, 04:27: Message edited by: crow mag ]
14 November 2003, 10:22
xphunter
crow mag,
50 has a 338 WSM in a XP-100 and is getting 2750 FPS with a 210 NP bullet and I think that his barrel is around the 15-16 inch variety. Hopefully, someone here has some software that could compute this but I think that the Lazzeroni Short action 338 case would maybe approach your lower velocity objective that has a short case design. The cost is quite a bit higher when it comes to brass ($40.00 per 20 for unprimed brass and that was 6 years ago).
The more I think about it you will likely have to go to one of the larger/longer cases. A 300 grain bullet has a great BC, what are you considering using it for?

Ernie
14 November 2003, 11:39
crow mag
Long range Elk and Deer I was thinking about using a 338 Lapua or a 338 ultra or something in the lines of that. I would like to shoot 250g also. I may want to use a custom action like a 8.5 inch bat. If I go with the Lapua brass the case head is to big for a xp 100 action I think.
Crow Mag

[ 11-14-2003, 05:23: Message edited by: crow mag ]
15 November 2003, 02:15
xphunter
crow mag,
What is the difference between the head of the short action Lazz case heads and the 338 Lapua? About all the XP can handle is a case head size the equivelant of the Lazz cases. I have one in a 7.82 Patriot and there isn't a lot of fudge room to go up in head diameter. In fact, It caused Tannel to scratch his head a few times to work out exactly how he was going to make the extractor work right.
Are you going to make it as a rear grip or will you have someone design a transfer system to make it a center grip?

Ernie

PS If you want to read about my elk hunt and how the Patriot did (note from a recent e-mail i sent you) check out this other forum http://specialtypistols.infopop.cc/6/ubb.x?a=cfrm&s=9066056864
It is under the handgun hunting and varminting page.

[ 11-14-2003, 18:49: Message edited by: xphunter ]
15 November 2003, 12:49
crow mag
I don't have The specs on a Lazz case but the lapua measure .587 with a dial caliper. If I go with the Lapua case I will be using a custom Bat action that is much stronger than a Rem action. I am going to have a custom laminated wood stock maid up rear grip. I want to shoot it from a rest and a bipod. I am thinking about the WSM also.
Crow Mag
17 November 2003, 08:52
xphunter
The Lazz case measures .577 at the head. The Lazz short action case should give more performance than the WSM case. Overall case length on the brass I have in my hand is 2.041.

As far as using a rifle scope with this (338 WSM or 338 Short action Lazz)in a specialty pistol with a 18 inch heavy barrel W/Brake off of a bench I would say it is a possibility. Since I have not handled a specialty handgun like you mention here & by e-mails I just can't say for sure. Use a handgun scope first and have someone measure the travel of the gun with hunting loads. If you think it will work then use a Leupold since they have the longest eye relief. You will have to make sure you back off everytime or it will give you a kiss you will never forget. It is easy and almost normal to want to see a full field of view-be very cautious.
Ernie