⚠ MAX LOAD — Verify before loading
5.56 mm Nato — 77.00gr Sierra Reloading Data
Posted by
imported_data
on Aug. 12, 2026
77.00gr
Bullet Weight
Sierra
Bullet Brand
Boat Tail Hollow Point (BTHP)
Bullet Type
25.50gr
Powder Charge
Powder
Powder Brand
2723 fps
Muzzle Velocity
2.2600"
OAL
WCC
Case
Shooter Notes
Reference data — imported 2026-08-12.
Projectile: 77 GR. SIERRA HPBT. Case: WCC.
Starting load: 20.0gr @ 2,105fps | Max load: 25.5gr @ 2723fps.
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