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280 Rem loads

 
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  #8  
Old 01-17-2013, 12:13 PM
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Join Date: Dec 2008
Location: Spanish Fork, UT
Posts: 23
Re: 280 Rem loads

I have three .280's and love the cartridge (custom w/A3-03 action, WIN Model 70, and a Marlin Bolt action). I also shoot the 7MM Mag (have 2 / Browning A-Bolt, Custom Mauser). Wanted rifles of same caliber, and have not been disappointed. With the 140 grain bullets, it is hard to beat 4350 or 4831 for both velocity and accuracy. In the 150 grain bullets, I have found that RL-22 gives me the best of both worlds. I really hesitate to list my recipes, because I work them up, and find out where the sweet spot is. Each reloader should do the same, just my gut feelings. Each bullet manufacturer has good information in their respective manuals. So pick a bullet and go from there. "Happy Hunting/Shooting!"
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  #9  
Old 01-17-2013, 12:33 PM
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Join Date: Oct 2010
Posts: 91
Re: 280 Rem loads

I have two 280's, one a fifty+ yr old Rem. Model 721 w/24" factory barrel, the other a 15 yr. old Rem. Mod. 700 Mountain Rifle. The 721 will shoot bug holes - best group ever was .294 five shot group at 100 yds, with 53.6 gr. IMR 4831 and reloaded Rem cases, Sierra 160 gr. SBT's, CCI LR primer, seated 0.015 off the lands. Anything higher and primer pockets start to open up, and other pressure signs.

The Mountain Rifle, because it has the slim profile barrel, doesn't like anything heavier than 150 gr. bullets. Best results with it has been .355 at 100 yds with Nosler 140 gr Partitions of all things. All else opens up to about .500 at 100 yds. It did take a 320+ bull elk at 360 yds, one shot kill, bull ran uphill about 300 yds, and fell 600 yds down into a valley. Bullet was Nosler 160 gr Partition, loaded with the 53.6 gr of 4831, shot was quartering away, 25 yds lower in elevation. Bullet entered over left hip, destroyed lungs and heart, and lodged behind the right front shoulder. Retained weight 85%.

Wouldn't trade either for anything in anybody's safe.

Watch your pressure signs closely, especially if you use Rem or Fed brass. Haven't tried others, leaving well enough alone.

Good luck and enjoy.
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  #10  
Old 01-17-2013, 08:27 PM
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Join Date: Jun 2012
Location: North Carolina
Posts: 271
Re: 280 Rem loads

I too have a 721 in a 270. I grew up in the age of Jack O'Conner. If only he had shot a 280.
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  #11  
Old 01-17-2013, 08:42 PM
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Join Date: Jan 2010
Location: Leominster mass, originally Salisbury Maryland
Posts: 1,324
Re: 280 Rem loads

It is really good to see load info on this cartridge again. I am building a 280 as we speak, with a 26 in #4 Brux barrel, and a Winchester action. I had one years ago, that loved 55.0 grains of 4350, and a 140 BT, or partition. That rifle had a 22 inch barrel. I want to try some RL17 in this one, with 140 TSX, and 145 LRX.
Keep the loads coming guys, I'm taking it all in! The 280 is about as perfect as a long action, non magnum cartridge can be. Great to see that it is alive and kicking!!!!
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AIM SMALL,MISS SMALL. 7 STW
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  #12  
Old 01-18-2013, 12:06 PM
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Join Date: Oct 2010
Posts: 91
Re: 280 Rem loads

Unoboats,
As great as he was, I don't think Mr. O'Connor adhered to the gospel of BC for longer range shots. Got a 270, and it's great and accurate, but limited in bullet weights, and much lower BC's.

7STW,
What twist in your new barrel? Both of mine, being Remington have 9-1/2", which has been their standard for many years.

Good luck and stay safe,
Rick
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  #13  
Old 01-18-2013, 06:43 PM
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Join Date: Jan 2010
Location: Leominster mass, originally Salisbury Maryland
Posts: 1,324
Re: 280 Rem loads

Quote:
Originally Posted by rmorgan9718 View Post
Unoboats,
As great as he was, I don't think Mr. O'Connor adhered to the gospel of BC for longer range shots. Got a 270, and it's great and accurate, but limited in bullet weights, and much lower BC's.

7STW,
What twist in your new barrel? Both of mine, being Remington have 9-1/2", which has been their standard for many years.

Good luck and stay safe,
Rick
My barrel is on it's way to me as we speak, and I was told it is a 9 twist. I would be ok with it if it were a 9 1/2 twist, because I don't intend to shoot " heavy" bullets in this rifle anyway. Building is fun!!!!!!!
__________________
AIM SMALL,MISS SMALL. 7 STW
LIFE IS TOO SHORT! AND WE ARE A LONG TIME DEAD!!!
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  #14  
Old 11-26-2013, 01:17 PM
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Join Date: Sep 2010
Location: Coldwater michigan
Posts: 516
Re: 280 Rem loads

280 Rem loads-image.jpg
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