the swift 265gr.-452 dia is an frame bullet,it expands without comming apart-the a frame bullets nosler or swift both are very dependable they work as advertized they cost more but no surprises.handgun bullets are not as dependable.my knight shoots great with 250gr.barnes 240 xtp mag.hornady 265 swift-this is with 80 to 90 gr.trip7 2f no problems with different 209 primers mild or hot -i have range that i shoot at 80yds using 1 sand bag hard to hold still so crosshairs move but i get 1in.to 1.25in.with these bullets.now i have been using hornady4300 pn..430dia 265gr fp-interlock to practice this is rifle bullet 444mag. i have no idea if this bullet will work well to hunt..