Possibly a bigger consideration.....is which of the 3 projectiles is actually reliably available and in useful quantities? That might make the decision easier.
Possibly a bigger consideration.....is which of the 3 projectiles is actually reliably available and in useful quantities? That might make the decision easier.
140 and 147 are both current items. The 147 Eld-M and 143 Eld-X are near-as-dammit identical external shape (very different as far as loads go,
DO NOT try to interchange!).
As to which one you would pick is getting into hair-splitting territory.
147 Eld-M - highest BC, will protrude into case significantly at mag length. Expands and penetrates well with good placement.
140 Eld-M - shorter length takes up less space in the case if length is an issue with the longer 147. Having said this it seems (anecdotally) that driving these(Eld-Ms) too fast can be problematic for close-up shots.
143 Eld-X - have the theoretical benefit of having a tapered jacket to arrest expansion and aid penetration. I can't comment on penetration on large animals as I have a sample set of 1 - which was perfect in terms of damage done and distance travelled through the dead deer. I can say for sure that initial expansion/explodiness is very violent even on wallaby sized critters.
Again, anecdotally it seems that the Eld-M isn't quite as splatty initially but expands beautifully.
Confused?
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