barnes 53gr triple shock(solid copper)..gives through shots even in bones.
Any firearm chambered for .223 or 5.56mm
That depends on the type of bullet, the initial velocity, and the angle at which it is fired. A ballistics calculator is the best way to find the answer.
Yes. I own a Ruger M77 Hawkeye in 280 Rem. It plain levels whitetails out to 200 yds, with a 140 gr. bullet. My only suggestion is that if you don't reload, start. 280 Rem is not as popular as the 270 Win or the 30-06 Sprfld, so ammo is not as readily available.
100-350
You can put .223 into a 5.56mm but not the other way around due to pressure issues
Twist is 1:12
1 in 9"
ar-15
1-12"
Bullet diameter
Mine is a 1-12.
1:12 forsure