BOB LEE SWAGGER Posted October 4, 2011 Report Share Posted October 4, 2011 hi all i have been reloading cases from factory ammo that i purchased and all has gone well i got my load sorted and i want to stretch her legs a bit i bought some new 223 lapua brass now do i just load up an seat the bullet or must i neck or fully resize first youre advice please gents regards B L S Link to comment Share on other sites More sharing options...
247sniper Posted October 4, 2011 Report Share Posted October 4, 2011 Hiya mate, Just run them up through the die that you have been using previsely for you old brass mate, then just crack on. Steve. Link to comment Share on other sites More sharing options...
rabbit fingers Posted October 4, 2011 Report Share Posted October 4, 2011 I don't full size new lapua brass but do run the expander ball through to open the neck up a bit. The new brass has more tension than I use. I would also load a couple of rounds below your load worked up in different brass just to check for pressure, depending on how stable your load is you may need to tweak it a bit to get it to shoot again. FWIW a mate of mine recently saw 70fps+ difference in velocity and 2 inch change in POI just by changing the brass. Link to comment Share on other sites More sharing options...
MJR Posted October 4, 2011 Report Share Posted October 4, 2011 Depends if your original load was a near maximum load. If it was and the new Lapua brass has a smaller internal volume then reloading with your original load may cause over pressure. Best to check first with fired cases from your rifle. Link to comment Share on other sites More sharing options...
DaveT Posted October 4, 2011 Report Share Posted October 4, 2011 I don't full size new lapua brass but do run the expander ball through to open the neck up a bit. The new brass has more tension than I use. I would also load a couple of rounds below your load worked up in different brass just to check for pressure, depending on how stable your load is you may need to tweak it a bit to get it to shoot again. FWIW a mate of mine recently saw 70fps+ difference in velocity and 2 inch change in POI just by changing the brass. I agree.....no need to resize Lapua brass but I do put a calibre-specific K&M expander mandrel through the neck first and then neck size to .001'' tension with a Redding Bushing die.... Lapua brass seems to come with very tight neck tension! Link to comment Share on other sites More sharing options...
Andrew Posted October 4, 2011 Report Share Posted October 4, 2011 I FL resize all new brass in my dies to assure uniformity in load development, no matter what the make of brass.~Andrew Link to comment Share on other sites More sharing options...
BOB LEE SWAGGER Posted October 4, 2011 Author Report Share Posted October 4, 2011 thanks to all who offerd advice regards bls Link to comment Share on other sites More sharing options...
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