⚠ MAX LOAD — Verify before loading
.243 Winchester — 55.00gr Sierra Reloading Data
Posted by
imported_data
on Aug. 12, 2026
55.00gr
Bullet Weight
Sierra
Bullet Brand
Other
Bullet Type
44.80gr
Powder Charge
Powder
Powder Brand
3979 fps
Muzzle Velocity
2.7000"
OAL
Starline
Case
59747 PSI
Pressure
Shooter Notes
Reference data — imported 2026-08-12.
Projectile: 55 gr Sierra Blitzking. Case: Starline.
Starting load: 35.0gr @ 3,426fps | Max load: 44.8gr @ 3979fps / 59,747 PSI.
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