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PA, USA
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Posted: 7/1/2017 9:54:16 PM EDT
I want to build a long range rifle in a "big" caliber. I dont want a 50 as thats a little excessive for my area but I would like a larger magnum. The 300 RUM is very alluring to me along with the 7mm RUM. Theyre beltless and components are relativly cheap. Any thoughts? Most likely will be built on a 700 action.
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Posted: 7/1/2017 10:40:00 PM EDT
[#1]
.300 mag
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PA, USA
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Posted: 7/1/2017 10:41:49 PM EDT
[#2]
Looking for something a bit bigger and a little unique
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Posted: 7/1/2017 10:43:30 PM EDT
[#3]
Quote HistoryOriginally Posted By Traderjac:
.300 mag Though, 338 RUM was once described as a poor man's 338 Lapua Magnum. Doubtful if that's still true as I imagine 338 RUM brass is somewhat rare. |
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Posted: 7/1/2017 10:46:53 PM EDT
[#4]
.28 Nosler
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PA, USA
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Posted: 7/1/2017 10:49:57 PM EDT
[#5]
Quote HistoryOriginally Posted By Glocks4Life:
.28 Nosler |
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Posted: 7/1/2017 10:52:06 PM EDT
[#6]
Any of the ULTRA magnums will be insanely expensive to shoot, and will kick very much. Meaning even if you could afford to shoot it a lot, you won't want to because it's so painful.
I own a 300 Win Mag from 1963. With a 26" barrel you can do some pretty impressive stuff with it. Push a 168 grain at 3,200 FPS and have a point blank range just past 300 yards. |
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PA, USA
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Posted: 7/1/2017 11:09:52 PM EDT
[#7]
Im a tool and die maker and I have threaded a ton of barrels for breaks so recoil wont be bad
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Posted: 7/1/2017 11:12:41 PM EDT
[Last Edit: Glocks4Life]
[#8]
In one word I would simply say, "efficiency" It uses less powder to do the same thing as 7mm Rum. This will have benefits like extended barrel life and less throat erosion, as well as cost of powder etc. Better off the shelf velocity for factory ammo also.
Quote HistoryOriginally Posted By Mad_Max1611:
why this over a 7mm RUM Quote HistoryOriginally Posted By Mad_Max1611:
Originally Posted By Glocks4Life:
.28 Nosler |
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Posted: 7/1/2017 11:13:53 PM EDT
[#9]
Sounds like a 300 edge could be a good build for you.
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PA, USA
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Posted: 7/1/2017 11:19:55 PM EDT
[#10]
Quote HistoryOriginally Posted By w33b8t1:
Sounds like a 300 edge could be a good build for you. |
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Posted: 7/1/2017 11:44:34 PM EDT
[#11]
Quote HistoryOriginally Posted By Mad_Max1611:
Is that a 300 RUM with an improved shoulder? You want common? Else maybe Kirby Allen has something in the lineup that will fit your action. Some people are machining 700 bolts to fit the 300 Norma, but it isn't common or super recommended. So my vote is buy an aftermarket action and run the 375 Mercenary. |
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PA, USA
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Posted: 7/1/2017 11:53:02 PM EDT
[#12]
So why this push for 338 and bigger bullets? Im genuinely curious, I always thought a skinny long bullet was much more aerodynamic?
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Posted: 7/1/2017 11:57:56 PM EDT
[#13]
History is all. Some we designed around longer bullets from the get go and some were not. And long range relates to popularity these days.
So, 6.5, 7.2, .338, etc all had designs or pushes to go long with bullets. .30 didn't really have that push with a lot of the old magnum cartridges, so they are now less efficient with longer bullets. To answer your question, the .338s come in good long high BC bullets. If you can match or beat the BC of a lighter bullet and come in with a higher weight and MV, you are waaaay ahead. Of course your shoulder wont thank you. |
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PA, USA
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Posted: 7/2/2017 12:08:55 AM EDT
[#14]
Quote HistoryOriginally Posted By w33b8t1:
History is all. Some we designed around longer bullets from the get go and some were not. And long range relates to popularity these days. So, 6.5, 7.2, .338, etc all had designs or pushes to go long with bullets. .30 didn't really have that push with a lot of the old magnum cartridges, so they are now less efficient with longer bullets. To answer your question, the .338s come in good long high BC bullets. If you can match or beat the BC of a lighter bullet and come in with a higher weight and MV, you are waaaay ahead. Of course your shoulder wont thank you. |
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Posted: 7/2/2017 12:15:26 AM EDT
[#15]
The throat sometimes needs to be a bit longer so that the bullet doesn't get into the riflings when chambered causing higher pressures. This depends on a lot of things though. Most factory guns have pretty long throats because the manufacturer wants the gun to be, essentially, safe with any ammo.
You could tell your gunsmith your plans and he will chamber it accordingly. In some more extreme cases they would ask that you provide a sample cartridge so they can measure it, but it's pretty routine. |
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PA, USA
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Posted: 7/2/2017 1:00:34 AM EDT
[#16]
ya not a problem. What is that 375 mercenary you mentioned, cant find much data.
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Posted: 7/2/2017 4:58:05 AM EDT
[#17]
It was mostly a joke; me suggesting it, not the cartridge itself.
There is a guy on LongRangeHunting that put it together. Looks like he has had a couple runs on brass so far. Something like a 375grain bullet at 3300fps IIRC without looking. |
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CA, USA
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Posted: 7/2/2017 9:41:27 AM EDT
[#18]
You could have some serious fun stepping away from the bottle neck cases.
.45-120. 90 grains of Fg on top of 3 grains of unique, a 500gn cast LRN, fill the rest of the space with cream of wheat. Yeah, it's a bit of a punkin' slinger but you've never rung a gong at 1km till you've done it with a black powder cartridge rifle. |
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TX, USA
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Posted: 7/3/2017 2:55:42 PM EDT
[#19]
On a M700 action, no bigger than 300 WM.
On a stronger action: 338LM. |
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DC, USA
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Posted: 7/4/2017 9:03:51 AM EDT
[#20]
Throw 300RUM, 30 Nosler and 300 Norma in there too.
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GA, USA
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Posted: 7/7/2017 12:09:37 AM EDT
[#21]
28 Nosler
Run ballistics with it pushing a 180 eld-m or 195 EOL. |
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Posted: 7/9/2017 11:17:02 AM EDT
[#22]
Quote HistoryOriginally Posted By SuperJlarge:
28 Nosler Run ballistics with it pushing a 180 eld-m or 195 EOL. |
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Posted: 7/28/2017 11:32:46 PM EDT
[#23]
300 Norma Mag
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Posted: 7/29/2017 2:58:16 AM EDT
[#24]
Quote HistoryOriginally Posted By FiveToOne:
300 Norma Mag |
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GA, USA
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Posted: 7/31/2017 10:23:34 PM EDT
[Last Edit: SuperJlarge]
[#25]
Freshly reamed 30 Nosler. First 5 after zeroing. Pretty sure mirage got the 5th, but not bad for Nosler's factory 180gr hunting load. Can't wait to see what it does with some Bergers and Retumbo. I still think the 28 Nosler is where it's at. Running the 190 class bullets at 3100-3150 is impressive.
Might be a good option for anyone who wants a boomer who doesn't reload as well. 
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Posted: 8/18/2017 11:49:08 PM EDT
[Last Edit: cms81586]
[#26]
Quote HistoryOriginally Posted By Mad_Max1611:
So why this push for 338 and bigger bullets? Im genuinely curious, I always thought a skinny long bullet was much more aerodynamic? That's a .308 win case next to a 300gr Berger Elite...  Attached File Attached File |
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Posted: 8/19/2017 12:05:14 AM EDT
[Last Edit: Wolfpack]
[#27]
Edit...thought this was Gd...carry on
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