⚠ MAX LOAD — Verify before loading
.300 Winchester Magnum — 220.00gr Sierra Reloading Data
Posted by
imported_data
on Aug. 12, 2026
220.00gr
Bullet Weight
Sierra
Bullet Brand
Boat Tail Hollow Point (BTHP)
Bullet Type
65.50gr
Powder Charge
Powder
Powder Brand
2702 fps
Muzzle Velocity
3.4500"
OAL
Jagemann
Case
63426 PSI
Pressure
Shooter Notes
Reference data — imported 2026-08-12.
Projectile: 220 GR. SIERRA HPBT. Case: Jagemann.
Starting load: 58.0gr @ 2,582fps | Max load: 65.5gr @ 2702fps / 63,426 PSI.
Discussion
(0 comments)
No discussion yet. Be the first to comment!