Long throated 284 win in LA with 180s

AZShooter

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Joined
Dec 12, 2005
Messages
2,626
Location
Tucson Az
Recently acquired a rifle a friend built and had just begun to work up loads back in 2009. It sat in his safe until two weeks ago. It is a Rem 700 LA in a Lilja SS fluted #5 28 1/2" 1 in 7 twist long throated with180s sitting in case boattail/bearing juncton just ahead of the case shoulder/body junction. OAL is 3.280"


First time at range yesterday. Working from data my friend had begun, tried RL-17 with 51 and 52 grains and H4831 Sc with 53 and 54 grains. Berger 180 hybrid target, Fed 210 M and neck turned win brass. Velocities are running between 2825 fps and 2890 fps. There seems to be a node around 2850 with both powders. Will be tweaking next session.

The reason I am posting this is the remarkable performance for such a small case. With the longer barrel it is very close to Rem 7 mag performance with a 24" barrel. The recoil is very tolerable with the 9 lb rifle.

I got this rifle because with its long action and standard bolt face. I wanted to rechamber it to 7mm RPM which would fit perfectly in this LA. I am waiting for Weatherby to produce this chambering which may happen according to rumors. Once brass and dies are in the market this rifle begs to be transformed. In the meantime it is lots of fun to shoot in this configuration.

Just thought I'd share.
 

1894C

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Joined
Jul 15, 2020
Messages
182
Location
Georgia
I had a rifle similar to what you have expect mine had a 29” barrel and was close to 14 lbs scoped. I was shooting 183 SMK a shade over 2900 FPS with rl23. Excellent chambering when properly throated. The big 7s turn a lot of 9s into X’s....
 

Rusty85

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Apr 30, 2018
Messages
161
Location
Nixa, MO
I’m running 175 elite hunters at 2780 out of a 22” barrel with RL23, 210m and Peterson brass. With a coal of 3.215”. RL23 seems to be the ticket for me anyway.
 

can1010

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Joined
Feb 27, 2012
Messages
788
got to love a long throated 284. for the handloader it is everything the 280 rem is and not far off the 280ai makes for a very useful hunting round with benchrest accuracy
 

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