Thanks lads.
2660 oal when just touching lands, this looked to have enough in the neck and its going to need to be back from this so it leaves me some to play with ----------i was also thinking this bullet wouldn’t be long enough ?
Dave (warbucks)
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Deben mini pro lamping system
Dave. You don't have anything that can measure from the base of the case to the ogive of the bullet do you? It is always going to give you more accurate measurements than measuring the COAL of a tipped round, or any in fact round.
My measurements for my 58gr Vmax rounds are -
Length to Ogive (Touching Lands): 2.235” (= Overall Length (Base to Tip) of 2.660”, or extremely near)
I give it a 10 thou jump so my loaded rounds have a case-base to ogive length of 2.225".
Another tip as well - use a fired case to ascertain you ogive bullet length to the lands. Use a neck size die to reduce the neck of the case until the bullet can be just about pushed in by hand (with a small amount of force). This way you can repeat your measurements more easily. No need to pull bullets completely from cases using tools.
not really, the .243 chamber needs to fit a whole range of bullet lengths, and weights, the 58grn is surely at the shorter end of the scale, does it have enough length to leave the generally accepted bore diametre neck insertion, while touching the lands ? I suspect not, but am happy to be shown wrong.
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