Treeman scores a 303

[Treeman]

658 mm barrel
54.65 gr case volume.

[Treeman]

been playing on QL - just can not get to the 2700 fps mark.
62 gr S335 = 62917 PSI and 102 % fill.
In other words the P14 has no performance gain against the Lee action, even if its stronger, the case capacity is just too small.

[Tripodmvr]

With the new figures :-
S335 40,9gr = 2550fps on chrony (1.325ms = Node 5)
S335 42,7gr = 2645fps on chrony - 1/2 node pressure 56K psi
S341 Could get 2660fps on the half node (1.255ms)
S355 Could get 2700fps on the half node pressure near 55K psi

[Shotofrank]

Dave, could you get hold of me, lost your number. My .303, the one you saw years ago, it only shoots a coffee mug group.
Some days not even that good.
You not even a KM away, perhaps you could give the old ketti a look over.

[Treeman]

Bullet used - SP or FMJBT 174?

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174 PMP Spitser

[Tripodmvr]

Bullet used - SP or FMJBT 174?

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174 PMP Spitser

My calcs were done with the spitzer bullet, so you can experiment with the loads as supplied.