Ammunition can vary markedly with different ammunition lines from the same manufacturer. The weight of the bullet changes ammunitions performance, but so does the shape of the bullet. The type of powder and the amount used also a makes a big difference. Even the material and profile of the cartridge case matters.
Why are some bullets more accurate?
Match-grade rifle bullet jackets must average less than half that, as bullets with minimal sidewall variations are more concentric and therefore more accurate. … For consistent accuracy, a bullet’s base must be square to the body.
Does ammo brand make a difference?
The brand of ammunition not only affects accuracy, the manufacturer’s production lot makes a difference in precision rifles.
Does different ammo affect accuracy?
Bullets vary in type and construction—swaged, cast, plated, jacketed, frangible, and they vary in weight and length which can affect accuracy. … As we’ve said, tighter tolerances tend to enhance accuracy, but they can also reduce reliability.
Is more grain better in ammo?
Here’s where the heavier rounds really shine. If you want effectiveness for defensive situations, larger game or combat, then higher-grain cartridges will get the job done. The heavier the bullet, the better expansion and penetration you’ll get on impact. This means quicker and more humane kills.
Is hollow point better than FMJ?
When hollow point bullets hit the target, the hollow tip allows the bullet to deform (making it look more like a mushroom), slowing the bullet, and giving more stopping power. … Hollow points are a more expensive round than FMJ, but overall are a better self defense round. Most NATO militaries use only FMJ rounds.
Do police use hollow points?
Hollow point bullets are the most common type of round used by American police. … The most common argument for why police use hollow points over full metal jackets is that hollow points minimize the risk of an unintended target being hit.
Why is some ammo more expensive?
Under normal circumstances, ammunition prices can fluctuate when prices for raw materials go up or down. Certain items, such as brass casings, can be affected by those fluctuations. After all, ammo manufacturers are looking to make a profit, too. … Prices only increase if our distributor increases prices.
Where does Winchester manufacture ammunition?
The Winchester Ammunition world headquarters and manufacturing facilities are located in East Alton, Ill. Winchester has built and supplied billions of rounds of ammunition out of this facility since the early 1900s.
What grain 9mm bullet is best?
Best 9mm Ammo
- Speer Gold Dot 9mm 115 gr. at Palmetto State Armory. View Details 25 at Palmetto State Armory. …
- Magtech Guardian 9mm +P 115 gr. 13.25. …
- Editor’s Pick. Federal HST 9mm 124 gr. …
- Editor’s 147 gr Pick. Federal HST 9mm 147 gr. …
- Editor’s Pick. American Eagle 9mm 115 gr. …
- Blazer Brass 9mm. 21.99. …
- PMC Bronze 9mm. 12.75.
Is 115 grain ammo good for self defense?
The goal is to point out that the 115 gr. FMJ 9mm round is a great choice for practice and for matches, but don’t load your self defense handgun with that same ammunition. … The safest choice for self-defense purposes is a hollow point round, regardless of the caliber.
What does 115gr bullet mean?
You will often see bullets listed with the grain size before the bullet type. For example, 9mm rounds may be listed as “115 gr FMJ.” This tells us that the cartridge is loaded with full metal jacket bullets that weigh 115 grains.