Thread: 303 Query

Originally Posted by TeRei

This avo loading 40gr 4064 with 180gr Sierra. All brass annealed. They are chambering unloaded so hopefully, it goes well.

40 gn of 4064 is getting warm. It should be safe, though I just ran it through the simulator

Originally Posted by rambo-6mmrem

40 gn of 4064 is getting warm. It should be safe, though I just ran it through the simulatorAttachment 263785

Thanks. What is that software?

Originally Posted by TeRei

Thanks. What is that software?

Gordon's reloading tool (GRT)
it's only as accurate as the data you feed it, I didn't have all your info so everything else is just set as default for 303 apart from bullet and powder choice. It won't be far off accurate, though

Originally Posted by rambo-6mmrem

Gordon's reloading tool (GRT)
it's only as accurate as the data you feed it, I didn't have all your info so everything else is just set as default for 303 apart from bullet and powder choice. It won't be far off accurate, though

Thanks. He just picked up the ammo now. Wants to use it out of his mates jet boat.

Originally Posted by rambo-6mmrem

Gordon's reloading tool (GRT)
it's only as accurate as the data you feed it, I didn't have all your info so everything else is just set as default for 303 apart from bullet and powder choice. It won't be far off accurate, though

Thanks. He just picked up the ammo now. Wants to use it out of his mates jet boat.