175 LRX velocity’s from shorter barreled 300 WSM

[Jaegerr]

I’m trying to decide on a rebarrel on my tikka 300 WM I picked up. I’m building the rifle out for a do all western rifle out to 500~ yards and I’m set on using monolithic bullets out of personal choice.

I’d like to throw a 20” 300 WSM barrel on it and rock a suppressor on it. I want to ensure I can maintain above around 2,000 MV out to the 600 yard mark to give myself some cushion to get reliable expansion. I know the LRX is supposed to open down to 1600 fps, but would like to stick to 2,000.

Had anyone worked up a load in a similar rifle? I’m also slightly considering a rebarrel to a 7 PRC but I haven’t done much research into if the COAL of the 7 PRC works well in the tikka.

Thanks for any info!

 

[Andouille]

There are a bunch of recent threads on similar wsm subjects if you do a quick search, and I can share my data. My 20" Tikka WSM gets 2960fps with 175 lrx and Staball 6.5. That puts it at 2000fps at 595ish yards. Group size is somewhere around 1.5 MOA, so I have a little load tuning to do, might drop the speed a little.

 

[ElkSnort]

I’m trying to decide on a rebarrel on my tikka 300 WM I picked up. I’m building the rifle out for a do all western rifle out to 500~ yards and I’m set on using monolithic bullets out of personal choice.

I’d like to throw a 20” 300 WSM barrel on it and rock a suppressor on it. I want to ensure I can maintain above around 2,000 MV out to the 600 yard mark to give myself some cushion to get reliable expansion. I know the LRX is supposed to open down to 1600 fps, but would like to stick to 2,000.

Had anyone worked up a load in a similar rifle? I’m also slightly considering a rebarrel to a 7 PRC but I haven’t done much research into if the COAL of the 7 PRC works well in the tikka.

Thanks for any info!

Consider the 168 ttsx. It's actually the original LRX bullet and has a lower expansion threshold than other 30cal ttsx bullets. Should be great out to 600y.

 

[MCS]

You would need about 3080fps MV with that bullet to maintain 2000fps at 600 yards