Wow, got the data for loading 358Win in less than a day when I emailed Johan.
Caliber: .358 Winchester.
Barrel length: 24”
Powder: Ramshot – X-Terminator®. (1st Choice)
Bullet weight: 180 grains.
Start load: 46.0grains (2300 – 2400 Ft/p/sec)
Maximum load: 51.0grains (2600 – 2700 Ft/p/sec).
Bullet weight: 200 grains.
Start load: 42.5 grains (2200 – 2300 Ft/p/sec)
Maximum load: 46.5 grains (2500 – 2600 Ft/p/sec)..
Bullet weight: 225 grains.
Start load: 41.0grains (2000 – 2100 Ft/p/sec)
Maximum load: 44.5 grains (2400 – 2500 Ft/p/sec).
Bullet weight: 250 grains.
Start load: 37.0grains (1900 – 2000 Ft/p/sec)
Maximum load: 42.0grains (2250 – 2350 Ft/p/sec).
Powder: Ramshot – TAC®.
Bullet weight: 180 grains.
Start load: 48.0grains (2250 – 2350 Ft/p/sec)
Maximum load: 53.0grains (2575 – 2675 Ft/p/sec). Full case/Compressed.
Bullet weight: 200 grains.
Start load: 43.0grains (2300 – 2350 Ft/p/sec)
Maximum load: 48.0grains (2450 – 2550 Ft/p/sec). Full case/Compressed.
Bullet weight: 225 grains.
Start load: 41.0grains (2000 – 2100 Ft/p/sec)
Maximum load: 46.0grains (2300 – 2400 Ft/p/sec). Full case/Compressed.
Bullet weight: 250 grains.
Start load: 39.0grains (1850 – 1950 Ft/p/sec)
Maximum load: 44.0grains (2200 – 2300 Ft/p/sec). Full case/Compressed.
NOTES:
It’ important to note that SAFETY is our prime concern therefore we strongly recommend.
1. TO ALWAYS BEGIN LOADING AT THE RECOMMENDED MINIMUM “START” LOAD and develop loads in 2% increments towards the MAXIMUM load.
2. If at all possible, measure the velocity and correlate with our data.