Since I am a jazz guy I would prefer to say it "swings", but sadly not to many people think of good music when they hear "swings" anymore.
I had a "New" M-70 chambered with a Benchmark barrel in 340 Wby and a B&C Extreme Weather stock. It was fine but it was only a matter of time after I got my lathe that I would chamber something a little different. I didn't want to shoot a 338 RUM or Edge in an 8.75 lb rig without a brake, so I figured I would build a 33-28 Nosler.
It shoots very well with RL-26 and Barnes 225 TTSXs. Best load was 3173 fps with a ES of 12 fps and a 100 yd 3-shot group of 1/2". 48 ft lbs of recoil. I first tried RL-23 as that speed of powder makes more sense. But a friend said to try RL-26. Glad I did.
I think there is more velocity available. There are zero pressure signs. With the help of @Zero333 I set up Quickload with the parameters of the cartridge and it tells me 89 grains of RL 26 yields 61,300 PSI. I hope that is close and it does match what I see on the fired cases.
Fired 33-28 Nosler cases have a capacity of 102.46 grains of water. New cases are the same length to the shoulder but fired cases grow .0055" at the shoulder and grow .0025" at the base. For comparison, the 340 Wby fired in my 340 barrel has a case capacity of 104.19 grains of water.
Below are some pics. If on the rare chance you wind up with a 33-28 Nosler, start below my data and slowly work up watching for pressure signs. I can only guarantee this data works in MY barrel.
I had a "New" M-70 chambered with a Benchmark barrel in 340 Wby and a B&C Extreme Weather stock. It was fine but it was only a matter of time after I got my lathe that I would chamber something a little different. I didn't want to shoot a 338 RUM or Edge in an 8.75 lb rig without a brake, so I figured I would build a 33-28 Nosler.
It shoots very well with RL-26 and Barnes 225 TTSXs. Best load was 3173 fps with a ES of 12 fps and a 100 yd 3-shot group of 1/2". 48 ft lbs of recoil. I first tried RL-23 as that speed of powder makes more sense. But a friend said to try RL-26. Glad I did.
I think there is more velocity available. There are zero pressure signs. With the help of @Zero333 I set up Quickload with the parameters of the cartridge and it tells me 89 grains of RL 26 yields 61,300 PSI. I hope that is close and it does match what I see on the fired cases.
Fired 33-28 Nosler cases have a capacity of 102.46 grains of water. New cases are the same length to the shoulder but fired cases grow .0055" at the shoulder and grow .0025" at the base. For comparison, the 340 Wby fired in my 340 barrel has a case capacity of 104.19 grains of water.
Below are some pics. If on the rare chance you wind up with a 33-28 Nosler, start below my data and slowly work up watching for pressure signs. I can only guarantee this data works in MY barrel.
