Differences in .303 bullets help needed

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skylerjames13

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Hi there, I am extremely green to reloading. I still have lots of books to read, and pieces to put together but I mostly have my reloading kit.

I am just sourcing supplies now and I have a question about reloading .303 Brit. The picture I have here are two different brands of the same diameter and grain, one says it’s for .303 cal, one says it’s for 7.62x39.

I know it seems like a dumb question, I just want to make sure there isn’t something I’m missing. Both can be used for 7.62 and/or .303 correct? They are essentially identical in weight/diameter as far as I can tell


I am just reloading for plinking because I live in northern Manitoba and closest place to buy ammo is 800km away. UPS/purolater doesn’t service here, only CP, so can’t order things like primers/powder/ammo. I can only source it when I am in the city so I try to stock up. I can order a few things like brass and bullets but that’s about it.

Thanks for any help, and apologies for the likely very dumb question. I’m new to this so I want to make sure I take the time to do things right, and safe.
 

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Look at the bullet diameter, you can shoot 0.311 123/125gr bullets in the 303 Brit, there is published data for it, you can also shoot 0.311 303 Brit bullets in a 7.62x39, there is published data for them too.

You want to match the bullet to the bore.

If you are shooting an old No 1 Mk III Lee Enfield your best bet will be a flat base bullet, they work better with corroded bores. If you are looking to match the original sights look in to the Sierra 180gr flat base soft point bullet, this is as close as the military Mk VII bullets, which were a flat base 174gr bullet.

Campro has some 180gr plated bullets for 303 as well but unsure how they will actually work.
 
skylerjames13 said:
Hi there, I am extremely green to reloading. I still have lots of books to read, and pieces to put together but I mostly have my reloading kit.

I am just sourcing supplies now and I have a question about reloading .303 Brit. The picture I have here are two different brands of the same diameter and grain, one says it’s for .303 cal, one says it’s for 7.62x39.

I know it seems like a dumb question, I just want to make sure there isn’t something I’m missing. Both can be used for 7.62 and/or .303 correct? They are essentially identical in weight/diameter as far as I can tell


I am just reloading for plinking because I live in northern Manitoba and closest place to buy ammo is 800km away. UPS/purolater doesn’t service here, only CP, so can’t order things like primers/powder/ammo. I can only source it when I am in the city so I try to stock up. I can order a few things like brass and bullets but that’s about it.

Thanks for any help, and apologies for the likely very dumb question. I’m new to this so I want to make sure I take the time to do things right, and safe.
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You are correct. Both bullets ate .311 diameter and could be used for both calibers. Depending on your specific 303 rifle , it may not perform the best with the lighter and smaller diameter.311 bullets. They're a decent plinking round though. If you're look for better accuracy/hunting rounds I'd suggest looking at the hornaday .312 , 174gr flat base bullets.
 
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