From this cartridge, the 7.62×51 NATO round was also designed and saw brief use in the US military in Vietnam with the M14 Garand. This difference in trajectory widens slightly as the bullets move out to the 300-yard mark. The ballistic coefficient is not everything when it comes to having a true flying bullet. Of course, with different types of rounds for these two cartridges, there will be certain rounds that might be more significantly different. As illustrated in the chart,.270 Winchester rounds - on average - achieve a velocity of about 3060 feet per second (fps) while.30-30 Winchester rounds travel at a velocity of 2370 fps. Before we discuss any differences and trends that we see between the .270 vs .308 in sectional density we want to take a look at two rounds of the different cartridges that share the same bullet weight to show how sectional density can differ based on the variables that go into calculating the sectional density. Though only a few cartridges use .277″ bullets, the .270 is extremely popular and there’s a plethora of quality bullets to choose from. The .270 can be thought of as a necked down version of the .30-06. Not enough for you to choose one over the other anyway. When we look at these numbers, we are addressing how well a bullet is able to stay in motion when faced with resistance. Like the .308, there is a lot of options regarding bullet weight and design, and they are readily available and affordable. If we take the average of the given rounds, we see that the .270 has a slight advantage with only a hundredth of a difference. There are smaller weights that are available for small game. Our tope range round for the .270 is the 130gr Winchester SST Superperformance. C'est même un des pire. Two of these components that we will look at are the kinetic energy that is associated with the bullet as it travels downrange and the how well the bullet penetrates the target. These projectiles quite often take advantage of the latest developments in bullet development and offer advantages in precision and ballistic coefficient compared to the bullets used by the .270. Buy a great .270 Winchester hunting rifle here. It’s difficult to pick an accuracy winner between the 270 vs 308 though because it’s something of an apples to oranges comparison. For the most part, the .270 rounds have a higher average muzzle velocity than the .308 rounds with close to 330ft.s more than the .308 rounds. With the flatter trajectory and stopping power that is nearly identical to the larger .308 bullets at long range, a lot of people feel more confident in taking shots at game at a distance with the .270 over the .308. When we look at the numbers for our larger data set, we see the same trends as previously. And as we have stated several at several points, it’s not that we are saying it is impossible, we are just saying that the ballistics lean towards the .270 in this situation. Let’s take a look at the recoil numbers with more rounds added to the group and see if the same results present themselves. Jack O’Connor, a famous writer of firearms and hunting, really pushed this cartridge and its abilities in the field and brought it to the forefront of hunting cartridges, where it remains to this day. Eventually, I wanted to go after elk but wanted to remain with a lever action so in 1972 I bought a Savage 99 in .308 shooting 180 grain core-lokt ammo. As for price, it can vary pretty wildly depending on the make of the ammunition. Before we wrap up this article, we want to re-examine the ten rounds we have been comparing and pick a round from each cartridge that we think will excel in certain situations. Who are more interested in long-range shooting, but as close as I could.... 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