ELD-X, 300 PRC, 212 Grain, ELD-X, 2860 fps
| Manufacturer | Federal |
|---|---|
| Calibre | 7.82 mm (.308") |
| Bullet weight | 212.0 gr · 13.74 g |
| Ballistic coefficient G1 | 0.663 |
| Ballistic coefficient G7 | not published |
| Drag model used | G1 |
| Muzzle velocity | 871.7 m/s · 2860 fps |
| Muzzle energy | 5219 J · 3850 ft·lb |
| Sectional density | 0.320 |
| Form factor | i1 0.482 |
| Category | Magnum |
| Source | Federal website 2026-07-02 (verified) |
Reading these numbers
Only a G1 ballistic coefficient is published for this load, so BallisticApp solves it against the G1 drag table. G1 BC drifts with velocity — the figure below is valid near the muzzle and drops off as the bullet slows.
Muzzle energy of 5219 J (3850 ft·lb) is computed from the bullet weight and muzzle velocity above, not quoted from the catalogue. Sectional density 0.320 describes weight per unit of frontal area; divided by the ballistic coefficient it gives the form factor, which is how much drag the shape adds over the standard projectile.
Among the 488 loads of this bore diameter in the database, this one's G1 BC of 0.663 is higher than 486 of them.
Similar 7.82 mm (.308") loads
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These figures are the bullet's starting point. What you actually dial depends on your rifle's zero, the air you're shooting in and the wind on the day — BallisticApp solves that on the phone, offline, using the same G1/G7 tables and this database.
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