303 sanity check

This section is for reloading and ammunition only, all loads found in here are used strictly at your own risk, if in doubt ask again.
All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should treated as suspect and not used.

Moderator: dromia

Forum rules
All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.

Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
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bradaz11
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303 sanity check

#1 Post by bradaz11 »

Just double checking I'm not misunderstanding anything.
13gr of red dot is 'the load'...
That should be safe with 170gr lead gas checked bullet in a 303 case, yes?
Just seems like a lot of powder
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Re: 303 sanity check

#2 Post by dromia »

No.
16 gns of 2400 is "The Load".
Harris promptly renaged the Red Dot load as he got pressure spiking and is not regarded as a safe load.
A classic example of the dangers of internet data, when only half a story gets left.
I suggest you read his article on "CAST BULLET LOADS FOR MILITARY RIFLES" a copy of which is in this forums library.
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Re: 303 sanity check

#3 Post by channel12 »

Interesting as Alliant 2400 is a magnum pistol powder however the manufacturer lists a load for .223 rifle using a 55g bullet.
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Re: 303 sanity check

#4 Post by dromia »

Burning rates are burning rates, the classifications "fast pistol, slow pistol, fast rifle, slow rifle etc. are at best just guidelines as to applications and there is much overlap of the classification liminal's.
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Re: 303 sanity check

#5 Post by bradaz11 »

I just want something to shoot at 100yrds
It shouldn't be hard lol, but all you see is full stoke rifle loads. I just want to hit paper consistently at 100yrds
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Re: 303 sanity check

#6 Post by dromia »

It isn't hard.

Have you read Harris's article as suggested?
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Re: 303 sanity check

#7 Post by bradaz11 »

Yes, but i have 170 gr gas checked boolits and pistol powders
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Re: 303 sanity check

#8 Post by dromia »

Start at 5 grains and work up to 7 grains, Red Dot is a smidgen faster than Bullseye.

No pressure data for these loads but there is statistical evidence as to its safety.

At least 1/4 of a million rounds fired with these loads of the past five years with no issue.

On top of that there is then the US statistical data which must be many millions.
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Re: 303 sanity check

#9 Post by Jorden »

I thought red dot was a smidge slower than bullseye.
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Re: 303 sanity check

#10 Post by dromia »

It appears so in some charts for some reason but it is indeed faster than bullseye, it is also the original "bulk" pistol powder now much copied and overcharged for with the likes of Trailboss where a fool and his money are easily parted at purchase.
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