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ideal 300 magnum

Posted on 5/20/16 at 10:41 am
Posted by The Silverback
Neptune
Member since May 2013
2036 posts
Posted on 5/20/16 at 10:41 am
I have been shooting 338 for a while now, but I do not have a 300 magnum cartridge. I am considering the 300 RUM, 300 Win Mag, 30-378, or taking the wild cat route. What do the 300 shooters on here like? I want this for a NM antelope rifle.

I have also thought about developing my own wildcat 300, but I have a lot to learn there. I wanted to take a 408 CheyTac case or 416 Barrett case and neck it down to a .30.
Posted by SportTiger1
Stonewall, LA
Member since Feb 2007
28504 posts
Posted on 5/20/16 at 10:44 am to
quote:

416 Barrett case and neck it down to a .30.


Please do.
Posted by ChatRabbit77
Baton Rouge
Member since May 2013
5861 posts
Posted on 5/20/16 at 11:20 am to
You do a thread like this every couple of months. Just stop.
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134887 posts
Posted on 5/20/16 at 11:23 am to
All that sounds like a huge PITA.



And I can't trust a man with a foot fetish.
This post was edited on 5/20/16 at 11:24 am
Posted by Count Chocula
Tier 5 and proud
Member since Feb 2009
63908 posts
Posted on 5/20/16 at 12:37 pm to
quote:

NM antelope rifle.
The got KUDU antelope in NM now???
Posted by Carson123987
Middle Court at the Rec
Member since Jul 2011
66470 posts
Posted on 5/20/16 at 12:58 pm to
quote:

I wanted to take a 408 CheyTac case or 416 Barrett case and neck it down to a .30.


do this one

You're a worse troll than big gsc
Posted by Tiger4Liberty
Baton Rouge
Member since Aug 2015
2423 posts
Posted on 5/20/16 at 1:22 pm to
If you're shooting super long distance for antelope, I get it. I own a 30-378 that I bought mostly for sheep hunting. Instead of the 174 grain bullets commonly used, I experimented until settling for a 150 grain Nosler Accubond. It's still too much rifle for sheep as it would be for speed goats, but I don't worry a bit about 600-1500 yard shots.
The only real downside is lugging that magnum length barrel through underbrush and up mountains.
Posted by Boxcar
Richmond VA
Member since Mar 2016
900 posts
Posted on 5/20/16 at 4:54 pm to
6.5 creed!
Posted by Ace Midnight
Between sanity and madness
Member since Dec 2006
89622 posts
Posted on 5/20/16 at 5:09 pm to
quote:

I have been shooting 338 for a while now, but I do not have a 300 magnum cartridge. I am considering the 300 RUM, 300 Win Mag, 30-378, or taking the wild cat route.


Is .300 Weatherby off the table? I have no rational reason, but I love Weatherby.
Posted by Propagandalf
Baton Rouge
Member since May 2010
2528 posts
Posted on 5/20/16 at 5:45 pm to
quote:

I wanted to take a 408 CheyTac case or 416 Barrett case and neck it down to a .30.


What would be the bullet rise when it leaves the muzzle on a round like that?

And for the record your mechanic or machinist or gunsmith is not the person to ask about the plausibility of developing a rifle cartridge and doesn't give credibility to the idea. How many rounds has your gunsmith developed? Hell, how many rounds has he shot in the past month. Probably 0, because he fixes guns all day every day. The gunsmith at Jim's put someone's gas tube on their AR in upside down making it a single shot. He'd probably think it was a great idea too.

"the girl who made my banana split at Baskin Robins told me that'd be a killer round and it would totally work."
Posted by texag7
College Station
Member since Apr 2014
37580 posts
Posted on 5/20/16 at 7:30 pm to
quote:

I wanted to take a 408 CheyTac case or 416 Barrett case and neck it down to a .30.



For what? Your barrel would last 25 shots. There's a reason this stuff doesn't exist
Posted by Dissident Aggressor
Member since Aug 2011
3835 posts
Posted on 5/21/16 at 9:44 am to
You targeting Rhino or Cape Buffalo?
Posted by sigsauer
LA
Member since Jan 2009
480 posts
Posted on 5/21/16 at 12:00 pm to
I've seen the CheyTac 408 successfully necked down in the 300s but most wildcatters have stayed around the 338-375 range. Even CheyTac has their own 375. I wonder how both cases mentioned would handle the stretching if necked down.
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