OK - just for fun I will take a stab at answering the question:
First - you need to determine what is meant by Long Range. You ought properly to discount those once in a lifetime / record book making shots as by their very nature they are not the norm. I would suggest that Long Range, in this context, means out past the effective range of standard small arms and, in absolute terms, means somewhere between 800-1200 meters.
Second you need to look at what is issued for military use - this will discount all benchrest, rail type etc firearms - and in the calibre issued.
So you have some choices like ( for example only ):
Accuracy International
TRG 22/42
Remington-based M24
Timberwolf
Cheytac
Barret
I'm going to take a wild ass guess and say that in the hands of a trained marksman all the above would prove to be accurate under real world situations. In terms of hits recorded the honours would most likely go to the M24 or AI ( due to numbers fielded if nothing else ). Most likely topped with US Optics, Leupold Mk4 or (maybe) Nightforce NXS.
You may wish to read the Ultimate Sniper by Maj. John Plaster USA (ret'd) for more info. May I suggest not posting this question on a US site unless wearing flame-proof internet cloak
First - you need to determine what is meant by Long Range. You ought properly to discount those once in a lifetime / record book making shots as by their very nature they are not the norm. I would suggest that Long Range, in this context, means out past the effective range of standard small arms and, in absolute terms, means somewhere between 800-1200 meters.
Second you need to look at what is issued for military use - this will discount all benchrest, rail type etc firearms - and in the calibre issued.
So you have some choices like ( for example only ):
Accuracy International
TRG 22/42
Remington-based M24
Timberwolf
Cheytac
Barret
I'm going to take a wild ass guess and say that in the hands of a trained marksman all the above would prove to be accurate under real world situations. In terms of hits recorded the honours would most likely go to the M24 or AI ( due to numbers fielded if nothing else ). Most likely topped with US Optics, Leupold Mk4 or (maybe) Nightforce NXS.
You may wish to read the Ultimate Sniper by Maj. John Plaster USA (ret'd) for more info. May I suggest not posting this question on a US site unless wearing flame-proof internet cloak