Norma · Hunting

Norma Tipstrike 6,5x55 SE 9,1g

0.428BC (G1)

140.0gr9.07 g

790m/s2592 fps

2831J2088 ft·lb

Manufacturer	Norma
Calibre	6.72 mm (.265")
Bullet weight	140.0 gr · 9.07 g
Ballistic coefficient G1	0.428
Ballistic coefficient G7	not published
Drag model used	G1
Muzzle velocity	790.0 m/s · 2592 fps
Muzzle energy	2831 J · 2088 ft·lb
Sectional density	0.286
Form factor	i1 0.668
Category	Hunting
Source	Norma 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 2831 J (2088 ft·lb) is computed from the bullet weight and muzzle velocity above, not quoted from the catalogue. Sectional density 0.286 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 187 loads of this bore diameter in the database, this one's G1 BC of 0.428 is higher than 111 of them.

Similar 6.72 mm (.265") loads

Berger Hybrid Target 140gr 6.5mm140 gr · BC 0.311 · 860 m/s Fusion Rifle, 6.5 Creedmoor, 140 Grain, Fusion Soft Point, 2725 fps140 gr · BC 0.439 · 831 m/s Fusion Tipped Rifle, 6.5 Creedmoor, 140 Grain, Fusion Tipped, 2715 fps140 gr · BC 0.529 · 828 m/s Power-Shok Rifle, 6.5 Creedmoor, 140 Grain, Jacketed Soft Point, 2725 fps140 gr · BC 0.439 · 831 m/s GECO EXPRESS 6,5 Creedmoor 9,1g140 gr · BC 0.406 · 807 m/s 6.5 Creedmoor 140 gr BTHP American Gunner®140 gr · BC 0.580 · 820 m/s

Turn this into a drop table for your rifle.

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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