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Cases all blown out and now the real work begins! 90gns of 50BMG gets just over 3400fps from the formed case, but the plan was always to use the 50 powder to form and ADI2225 to chase outright speed,...

7mm Mag has a short neck, doesn't burn out throats in short order. Neck length isn't a factor in throat degradation, fast loads, faster hot powders and strings that allow high continuous throat...

I think you've seen this one already, but I wiped off the stains so you could do it, oops, I meant see it again! Bloody gun porn!
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300 Weatherby cases, standard, necked and formed, the faster...

Cheers for that, trolled the net a bit looking for data, but elected to trust my own judgement/seat of the pants in the end and start safe but with plenty in the case,

Worked up through the load increases and fire formed all the cases today, 86gns of 50BMG gets 3400fps, it stops there though, can't get any more in the preformed case at the given seating depth,...

Well I suppose I could just fill the case to the top and pull the trigger and see what happens........... am fire forming and inventing load data at the same time.
My .264 Win Mag gets 3300fps with...

Now that would be a handy Tahr gun, but prefer someone to carry it for me, getting old, apparently.
Yep 80gns, Seems slow on first look, but the Sierra HP Gameking usually runs anywhere from...

Started comment on my 6.5 STW development in another thread, but the 6.5 Saum guys felt violated, so starting a different thread for a real 6.5 powerhouse:P

Got my hands on a 6.5 STW, Remington...