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8x57mm mauser


scallopdiver

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The Yugo's tend to run .324" groove diameters -at least the ones i've owned and through which I shot cast bullets exclusively. My favorite small game load was a .325" round ball pushed into the flared case mouth of a sized case over a charge of Unique pistol powder. I simply swiped a rime fo lube around the space between the flare and the ball. I got around an inch at 15 yards using this combo and the sights set for 400 yards IIRC. (No guarantees on the sight setting) The finest bullet i used for small game loads was the Lyman #32559 plain base. Over 10 grains of Unique it was good for an inch at 50 yards.

 

The .325" round ball was cast of pure lead, the 32559 of wheelweight/linotype alloy @ 9:1. ~Andrew

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Depending on the groove diameter, one of a few choices.

 

I'd probably go for a Haendler & Natermann (H&N) 190 grain round nose copper plated and plastic coated bullet for simplicity (link). I tend to get them from Germany, the shop's called Stopper (link). There are quite a few other suppliers, but only a few shops sell them in the UK. Oh and even though John Rothery Wholesale (link) are the main H&N importers, they don't stock any bullets, daft or what? I think Black Rifle (link) import some H&N bullets, they may be able to get some for you?

 

You could ask the Shellhouse Bullet Company (link) if they'll cast some the right diameter, or even buy them or lend them a mould if they haven't got one. They have two 8 mm gas-check suitable bullets, both 170 gr round nose flat point (RNFP) that are .321" in diameter. One quite hard (20 BHN) and suitable for gas-checks and the other harder (25.4 BHN) and already gas-checked. Both might be a bit too small for the bore on your rifle, but they are both pretty hard and can have, or have gas-checks in place, so may work? They do make a bevel based RNFP for the 32-40 which is similar in size (up to .323"), so that might work better if it feeds OK? Their 32-40 bullets work out at about 6 p each, if you buy 1,000, though you've got delivery on top of that. So pretty good value for money if you are just plinking. Their other 8 mm bullets are more expensive at 10 p and 15.5 p each for the gas-checkable and already gas-checked.

 

Your final choice is cast your own. Lee, Lyman, RCBS and Saeco all make bullet moulds in 8 mm/32 cal.

 

Powder choice is wide and up to the end user. I've used Unique, Trail Boss and N340, to name but a few with low-power cast and plated bullets loads in rifles. I've also used N110 a lot with cast and plated medium power loads as it's not position or charge weight sensitive.

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