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30/338 wildcat

 
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  #1  
Old 11-11-2012, 11:15 PM
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Join Date: Feb 2012
Posts: 2
30/338 wildcat

After many,many round going down the tube of my 300 win mag i,ve had to rebarrel my A-bolt action and after talking about this project with a very well respcted and trusted gunsmith he advised me to rechamber to the 30/338 wildcat. Gunsmith did a great job blueprinting reciever installing Schneider 5p match stainlees steel 26" barrel refaced bolt contoured barrelto a heavy sporter, no break. First loads reloaded were 70 grs. RL-25 on top of Nosler 180 Accubonds. Extremely accurate 5 shot .21 group. Any information or experience with the 30/338 anyone could share would be appreciated , sadly gunsmith has become very ill forced to retire and move from area.

RH/
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  #2  
Old 11-12-2012, 12:43 AM
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Join Date: Dec 2005
Location: Good Ol' Oklahoma
Posts: 197
Re: 30/338 wildcat

Interesting round. I'm considering this one myself.
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  #3  
Old 11-12-2012, 11:56 AM
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Join Date: Feb 2012
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Re: 30/338 wildcat

Most say to follow 308 Norma Mag reloading info for a place to start, but I haven't found a lot of data using some of the new powders and bullets. I ordered a new crony ( tired of borrowing my friends) so development will not start in earnest until then. Will have a break install recoil can be a problem

RH/
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  #4  
Old 11-12-2012, 12:22 PM
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Join Date: Jun 2010
Location: greenwood, IN
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Re: 30/338 wildcat

Quote:
Originally Posted by tamrock View Post
After many,many round going down the tube of my 300 win mag i,ve had to rebarrel my A-bolt action and after talking about this project with a very well respcted and trusted gunsmith he advised me to rechamber to the 30/338 wildcat. Gunsmith did a great job blueprinting reciever installing Schneider 5p match stainlees steel 26" barrel refaced bolt contoured barrelto a heavy sporter, no break. First loads reloaded were 70 grs. RL-25 on top of Nosler 180 Accubonds. Extremely accurate 5 shot .21 group. Any information or experience with the 30/338 anyone could share would be appreciated , sadly gunsmith has become very ill forced to retire and move from area.

RH/
the 30-.338 round is really nothing but a .308 Norma mag clone (very slightly different). It's a great round, and known for it's accuracey. The Norma chamber has a .059" longer neck length than the 30/338 case, and this is very desirable. Seems to handle heavier bullets better than the .300 Win mag. I'd simply rechamber the barrel in the standard .308 Norma mag (load data is identical to the wildcat). You can buy new cases from Norma, and that puts you ahead of the game.
gary
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  #5  
Old 11-13-2012, 12:50 PM
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Join Date: Dec 2001
Posts: 787
Re: 30/338 wildcat

Quote:
Originally Posted by tamrock View Post
After many,many round going down the tube of my 300 win mag i,ve had to rebarrel my A-bolt action and after talking about this project with a very well respcted and trusted gunsmith he advised me to rechamber to the 30/338 wildcat. Gunsmith did a great job blueprinting reciever installing Schneider 5p match stainlees steel 26" barrel refaced bolt contoured barrelto a heavy sporter, no break. First loads reloaded were 70 grs. RL-25 on top of Nosler 180 Accubonds. Extremely accurate 5 shot .21 group. Any information or experience with the 30/338 anyone could share would be appreciated , sadly gunsmith has become very ill forced to retire and move from area.

RH/
As other said you can use 308 Norma data. Sierra does have data for the 30-338mag

LoadData: .30-338 (Sierra Data - Edition V) Charge and Load Information/Data for the .30-338 (Sierra Data - Edition V).

I've had three 30-338mag build at present only have two first one was in the 80's and had good luck over the years with the 30-338mag.

As to any of the new powder Call Sierra see if they have any new data. Good luck



I just like the case vs other 30 cal mag I've had build over the years.
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