What is a good ballistic coefficient for a bullet?
What is a good ballistic coefficient for a bullet?
General trends. Sporting bullets have BC’s in the range 0.12 to slightly over 1.00, with high being the most aerodynamic, and low being the least. Very-low-drag bullets with BCs ≥ 1.10 can be designed and produced on special lathes using mono-metal rods.
Is SS109 the same as M855?
The SS109 / M855 cartridge has two names, but it’s one in the same. The NATO designation for this round is SS109. The U.S. Military’s designation is M855.
What is my ballistic coefficient?
The ballistic coefficient (BC) of a bullet is a measure of its ability to overcome air resistance in flight. A higher BC, means less drag on the bullet due to air resistance, giving the bullet a flatter trajectory.
What is the ballistic coefficient of 308?
308 Ballistics Chart
| Ammo | Ballistic Coefficient | |
|---|---|---|
| Barrel Length | (G1) | |
| Tula – 150 Gr. FMJ | 24 | |
| Federal MatchKing – 168 Gr. HPBT | 24 | 0.469 |
| PMC – 147 Gr. FMJBT | 24 | 0.453 |
What is the ballistic coefficient of a 5.56 round?
0.151
The US Army’s Ballistic Research Laboratory measured a ballistic coefficient (G7 BC) of 0.151 and form factor (G7 i) of 1.172 for the SS109/M855 ball projectile.
What is the ballistic coefficient of a 6.5 Creedmoor?
The Hornady 6.5 Creedmoor 140 grain A-MAX boasts a Ballistic Coefficient of . 585 and muzzle velocity of 2710 FPS.
Is SS109 armor piercing?
M855, also known as SS109, green-tipped ammo, and Penetrator rounds, is a 5.56x45mm caliber, 62 grain round with a lead alloy and steel core. When it was designed, it wasn’t created to pierce body armor but was actually meant to penetrate the thin steel helmets worn at the time.
What is the highest BC bullet?
With the highest BC bullets, the 26 Nosler remains supersonic beyond 1,750 yards.
What distance should I zero my 308?
In areas where there are more trees, the hills are more rolling, or you can’t reasonably expect too many shots of 200 yards, a 100 yard zero is fine. The most common distances for zeroing a high powered rifle like a 270, 308, or 30-06 are 100 and 200 yards.
Is a 6.5 A Creedmoor?
The 6.5mm Creedmoor (6.5×48 mm), designated 6.5 Creedmoor by SAAMI, 6.5 Creedmoor by the C.I.P. or 6.5 CM or 6.5 CRDMR for short, is a centerfire rifle cartridge introduced by Hornady in 2007….
| 6.5mm Creedmoor | |
|---|---|
| Maximum pressure (SAAMI) | 62,000 psi (430 MPa) |
| Ballistic performance |