What is considered a good ballistic coefficient?
Almost all rounds have a ballistic coefficient of less than 1.0, but large rounds like the 50 BMG can exceed this normal BC. The higher the number, the less drag the projectile will experience.
What is G1 BC and G7 BC?
G7 Ballistic Coefficients — What You Need to Know. The better, up-to-date ballistics programs let you select either G1 or G7 Ballistic Coefficient (BC) values when calculating a trajectory. The ballistic coefficient (BC) of a body is a measure of its ability to overcome air resistance in flight.
What is the ballistic coefficient of a 308?
around .248
308 Winchester bullet has a BC of around . 248, whereas more streamlined and heavier 190-grain spire point boat tail . 308 bullets often have a BC exceeding .
What is the ballistic coefficient of 6.5 Creedmoor?
The Hornady 6.5 Creedmoor 140 grain A-MAX boasts a Ballistic Coefficient of . 585 and muzzle velocity of 2710 FPS.
What is the ballistic coefficient of a 30 06?
.30-06 Springfield
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 165 gr (11 g) BTSP | 2,800 ft/s (850 m/s) | 2,872 ft⋅lbf (3,894 J) |
| 180 gr (12 g) Core-Lokt Soft Point | 2,700 ft/s (820 m/s) | 2,913 ft⋅lbf (3,949 J) |
| 200 gr (13 g) Partition | 2,569 ft/s (783 m/s) | 2,932 ft⋅lbf (3,975 J) |
| 220 gr (14 g) RN | 2,500 ft/s (760 m/s) | 3,036 ft⋅lbf (4,116 J) |
What is the difference between G1 and G7 ballistic coefficient?
G1 – also known as Ingalls, G1 projectiles are flatbase bullets with 2 caliber nose ogive and are the most common type of bullet. G7 – Bullets with the G7 BC are long 7.5 degree boat-tails, with 10 caliber tangent ogive, and are very popular with manufacturers for extremely low-drag bullets.
What bullet has the highest BC?
These bullets have ridiculously high BC’s for their weight.
| Caliber | Description | 3000-1500 fps |
|---|---|---|
| G7 BC | ||
| 30 | 155.5gr Palma | 0.285 |
| 30 | 175gr FTR | 0.340 |
| 30 | 200gr | 0.391 |
Is my bullet G1 or G7?
What has more knockdown power 308 or 6.5 Creedmoor?
308 Winchester wins hands down here due to the big advantage the cartridge has in in frontal surface area as well as energy under 200 yards. Like I’ve said many times before, the 6.5 Creedmoor and the .
How accurate is a 6.5 Creedmoor at 1000 yards?
53 and muzzle velocity of 2600 FPS (from the Hornady box) the 6.5 Creedmoor has 110 inches or 9 feet less drop at 1,000 yards. The 6.5 CM would also experience roughly 13 inches less wind drift at 1,000 yards in a 10 MPH crosswind. So not only does the new 6.5 shoot better than the .