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7mm RUM for Long Range

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Unread 01-20-2009, 07:38 PM
Platinum Member
Join Date: Feb 2004
Location: Pennsyltucky
Posts: 2,633
Re: 7mm RUM for Long Range

not that there's a whole lot of difference, but i said i made the 7rum into a 338, not a 338rum. your comparison doesn't use the same case.

what i meant was, a 338 is just a whole bunch easier to get to shoot accurately, than a 7mm. i also believe it can be shot more accurately in varying hunting conditions. i know it delivers a whole bunch more killing power and impacts are a lot easier to see.

a 338/300 can shoot a 250 gr bullet at 31-3200. the 7mm version shoots a 180 at about the same speed.

the reason it's better is because the 7 is just a VERY overbore cartridge. the farther away from overbore you are, the easier it is to get them to shoot and more consistant with varying conditions.

the numbers you have are nice, if you're interested in 2k stuff. which it looks like you are. i really don't look at transonic, it's kinda BFD. way too far to shoot at game for me. well, maybe groundhogs. fun to play at rocks though!

IMHO, in hunting situations, it's easier to make a killing shot with a 338, than a 7mm. the farther the distance, the more this holds true.
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Unread 01-23-2009, 12:28 AM
Silver Member
Join Date: Oct 2007
Posts: 330
Re: 7mm RUM for Long Range

I am curious about the 7mm Rum. Does it have free-bore? Same question of the 7mmSTW?

I have a donor 700 long action that I am wanting to have built into something that came push a Berger 7mm 168gr VLD to 3200fps.

Am I dreaming?


Snohomish Co. Washington
NRA Life Member
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Unread 01-26-2009, 07:23 AM
Junior Member
Join Date: Dec 2008
Posts: 24
Re: 7mm RUM for Long Range

No they do not have free bore, but they are too long to contact the lands and still feed out of the mag box.

I have great luck with mine this weekend, after doing some work to them both, new stocks and bedding along with triggers..

I am shooting 140 accubonds with RL-25 in the first RUM, for intermeadiate range shot 5 shots for .8 at 100 yards. Its no target rifle but the flinch factor always come to play with this big case no matter who shoots it, try as you might there is alot of jump.

The second rifle did the same at 10 yards with 160 TSX bullets, and Retumbo powder about 95.0 grains. about .8, those last 2 shots lol! would have been better if i stopped at 3.
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