Reloading .303 British - Cast bullets?

Cast bullets?

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Category: Reloading
Forum Name: Reloading .303 British
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Printed Date: March 26 2026 at 8:19pm
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Topic: Cast bullets?

Posted By: Ryanjames170
Subject: Cast bullets?
Date Posted: April 30 2024 at 6:39am

Any of you guys running cast in the 303? If so what powder/charge and bullet mold are you using, how is the bore on your rifle is it new or is it pitted and worn?

I have a few different rifles I am looking to run cast in as jacketed bullets are starting to get to the point I don’t care to buy them at that price anymore, few of the guns have tighter .314 barrels but are pitted from neglect at some point in there life’s

Replies:

Posted By: britrifles
Date Posted: April 30 2024 at 9:05am

There are a few members here that shoot cast.

Many years ago, I shot cast bullets thru my Dad's No. 4(T). I don't recall the bullet mold number, a Lyman of some type, fairly heavy round nose with gas check. They shot OK, but a significant drop in elevation from the Mk 7 174 grain service cartridge at 100 yds. The bore was very good, a practically new barrel at that point in time.

You may not have much success accuracy wise if the bore is very rough, and may get significant leading. If you switch back to jacketed bullets, it's recommended to completely clean the bore of all lead fouling first.

Posted By: shiloh
Date Posted: May 01 2024 at 7:41am

I buy my cast from Prairie Projectiles as I don`t melt lead or have molds,

I shoot 215gr RN powder coated on top of 21grs of IMR4227, 3-4" groups average at 100 yrds. mainly used in my martini enfield carbine.

Havn`t had a chance to shoot them from any of my other enfields yet, should be fine.

PS these are .312 sized, slightly harder then pure lead.

Posted By: Ryanjames170
Date Posted: May 01 2024 at 11:45am

shiloh wrote:

I buy my cast from Prairie Projectiles as I don`t melt lead or have molds,

I shoot 215gr RN powder coated on top of 21grs of IMR4227, 3-4" groups average at 100 yrds. mainly used in my martini enfield carbine.

Havn`t had a chance to shoot them from any of my other enfields yet, should be fine.

I wish someone in the USA did cast bullets the size a guy would need for 303, my best like new rifle still has a .315 bore on it, nice deep rifling on it though.

Posted By: A square 10
Date Posted: May 01 2024 at 5:14pm

try bullets by https://forums.sassnet.com/index.php?/profile/82173-scarlett/" rel="nofollow - Scarlett , she has a lot you can try to find what you need

also check - https://missouribullet.com/results.php?pageNum_rsCWResults=0&category=25&secondary=17" rel="nofollow - Missouri Bullet Company

or .... badman bullets coated

or possibly ..... outlawbullets.com , 407-502-2450 thats the last place i bought from and they were excellent all the way around

Posted By: shiloh
Date Posted: May 14 2024 at 2:41am

thecastbulletshop.com

they list good choices in the .30 section