300 wsm & 180 grain Barnes ttsx

[swatty]

Rifle specs 24 inch barrel I’m looking to run the above combo started today with vit 540 6 % less than vit max load group was really good velocity was poor 2515 went from starting point to .2 grains over max load and velocity was still poor 2615 or there and there about without getting my book out heard the question anyone got any ideas how I can get to say 2880 fs or above tia

 

[scotch_egg]

@Brave Echo Niner runs a 300 WSM

I’m getting excellent velocity in my 7mm SAUM using N560 26” barrel 180gr ELD 2950fps.

 

[Selous]

180 grain is a bit heavy in my opinion. Have you tried the 150g TTSX, they absolutely hammered hinds when we used them?

 

[Brave Echo Niner]

As @scotch_egg says I have used the .300 WSM for a number of years over two different barrels.

I’ve never run 180 TTSX, but have used the 185 Berger Juggernauts, 150 TSX, 150 TTSX, 175 LRX and now have moved to the 148 TLR from Yew Tree.

I have personally used two powders to great effect - RS60 and RL26, with the former being good for the lighter end, and the latter being good for heavier. I have never tried any Vhit Powders in this calibre.

With these bullets/powders I achieved (27” barrel):

175 LRX (RL26) - 3124 FPS
148 TLR (RS60) - 3434 FPS

With these bullets/powders I achieved (23.7” barrel):

150 TTSX (RS60) - 3350 FPS
150 TSX (RS60) - 3150ish FPS (light load)
185 Juggernaut (RL26) - 3150ish FPS

I can dig out exact load data for any of these if you like, just send me a PM.

Personally drop to a 150 TTSX and send them fast, they’re like Thor's hammer on deer over 2400 FPS terminal velocity (circa 350-400m at good MV ) in my experience. If you’re shootings generally beyond 300M then the 148 TLR is a better choice and is again like Thors hammer on deer.

Ben

 

[Rutland lad]

I homeload 180 grain Barnes TSX in a 300 Winmag.
Whilst not quite the same cartridge, velocities as above and very accurate.
PM me if you want further details.