⚠ MAX LOAD — Verify before loading
.300 Winchester Magnum — 150.00gr Sierra Reloading Data
Posted by
imported_data
on Aug. 12, 2026
150.00gr
Bullet Weight
Sierra
Bullet Brand
Boat Tail (BT)
Bullet Type
61.50gr
Powder Charge
Powder
Powder Brand
3154 fps
Muzzle Velocity
3.3400"
OAL
N/A
Case
62792 PSI
Pressure
Shooter Notes
Reference data — imported 2026-08-12.
Projectile: 150 gr Sierra SBT. Case: N/A.
Starting load: 57.0gr @ 3,024fps | Max load: 61.5gr @ 3154fps / 62,792 PSI.
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