They’re both around 1500 FPS in a 20” barrel which is about max for no gas check. All commercial “hard cast” bullets are made with a very hard alloy mainly to keep them from getting dented and banged up during transport. This also means they can be driven quite hard before they start to deform in flight at higher speeds and produce poor accuracy. It also means they have to be driven quite hard so they’ll obturate and seal to the bore to be effective.
The real key to getting them to shoot that fast and accurately is to size them correctly to your bore. If they’re too large or too small you’ll see leading in your barrel which will eventually throw off accuracy. You may get lucky and they’ll happen to be the perfect size for your bore. If they’re not, I recommend a Lee sizing die.
The general rule of thumb is .01 larger than your bore.
P.s. if you get leading in your barrel from experimenting it’s not that hard to remove. I wet it down with Hoppes no9 wait 20 min then run a old worn brush wrapped with a little copper scrub brush material. Make sure you find the actual copper ones because a lot of them (Canadian Tire, Walmart) are only copper coated now. I found mine at the Dollaramma.
One package is a lifetime supply
