Thread: Subsonic 308

Found an off cut of wire so had a play
1st 4 30 cal
All with serrated jackets and split cores
They are rough as I wanted to see what weights can be made
From left to right 230gr 1E, 245gr 1E , 245gr 1E hollow point, 245gr HP 6S nose


The big HP measures 8mm deep and 3mm wide

208 for size comparison


300 blackout/whisper case


All on all pretty happy for what was nothing more that proving time for the sizing of dies.
Could prob go heavier on the lead tip HP and will go 220-230 on the ball tipped ones.

How light can you go? Im 1 in 11

Light as you want really within reason
I was just jamming lead in to see how heavy could go
200gr would prob work sweet with jacket closing around the nose of the ball like my 44 cal ones I did ages ago

Just for you cam- found another bit of wire
204gr with ~7mm ball in the hollow point - fits jacket perfect
Next to 235 RN
I fucked up point form on the yellow tip- too much pressure hence the dent in the top from the ejection pin

I think make em as frangible as you possibly can for a start, 200 odd grains is plenty of energy if you can just get most of it in the animal

Originally Posted by veitnamcam

I think make em as frangible as you possibly can for a start, 200 odd grains is plenty of energy if you can just get most of it in the animal

Got all the possible bases covered that I can come up with
AMP jackets, serrated jackets, split core and ball to fill the tip and initiate exp

Reckon they will stabilize out of 1/11 at 1050fps?

Maybe not?
I'm out of wire to try a 180
Started to melt some lead on the BBQ today and it started to spit. Fuck that for a laugh!

Molten lead and molten water dont mix ay

Originally Posted by veitnamcam

Molten lead and molten water dont mix ay

Wasn't going to chance fate

Just went to mates and poured a couple of billets in Cams sweet mould tubes he made
Perfect!
Billets just shock straight out.
Wire making tomorrow

This is starting to get real interesting. Just one question; will the long bearing surface cause any perceivable issues?

Kj

Anyone no what a rem model 7 .308 twist rate is? ? Bearing surface looks huge on those first pills. Following with interest

Bearing surface IS huge
It will be reduced with the rebated boat tails and some more refinement work in the front end
I don't see it being an issue but if it is I have got a bore rider (stepped) die available if need be
I just wanted to make sure I could get into the top end of the weight range. 245+ is MORE than heavy enough as its prob getting to the end of a 1:8/9 twists usability
I'm running down the path of fragile front end and pushing the front end open from the inside out

No wire making this weekend as the button I have is for the 44s- forgot to sort the 30 cal
Arse
Will get it sorted Monday