Speer Gold Dot 264 Caliber, 6.5mm (.264 Diameter) Bullets 140 grain Hollow Point Box of 20

Usually when reloading/shooting equipment and components are hard to come by, Graf's is the place you can find what your looking for---at a fair price and reasonable shipping charges.

The tip on this bullet is protected from magazine deformation like the grand slams. I like the grand slams too, but this bullet also jas a boat tail that jacks up the BC quite a bit.
In my opinion it's way better than using them plastic tips. I've had so many of them plastic tips break from recoil that I won't use them anymore. If you have to take follow up shots at longer ranges, a broken tip on a bullet changes it BC dramatically so if you don't aim higher with a broken one, you'll hit low. If you use a muzzle break you won't have this problem, but I like to use my ears when I'm hunting and don't need them ruined by a muzzle brake.
This bullet is also very accurate. It consistantly shoots under half moa in my 7 inch twist 32inch barreled 6.5x284 Norma chamber on a modified 700 rem short action using a 3.16 OAL. Getting 3000 fps with R33. Super load.
It stays together and penetrates very well almost always making a nice sized exit wound that makes clear blood trails. Most exit wounds are between a quarter and a golf ball. If I take an animal at dusk, I want a very visible blood trail. I see too many guys I hunt with loose an animal to spoilage because they use a bullet that doesn't exit, and they can't find the animal in heavy cover as it got dark. Even though that animal was less than 50 yards from where it got hit.
I use this bullet for everything from varmints, vermin, predators, deer, and target practice. It's inexpensive and I get in lots of target practice ringing my gongs in every weather condition set up from 500 to 1,500 yards.
I don't know whether it's the bullet or all that target practice that makes my 6.5x284 so lethal.

the Arisaka likes flat based bullets. boat tails keyhole. These work great!