Prvi Partizan 5.56 62grn FMJ or Fed XM193?

[C.G.]

One other thing... M193 tends to be more accurate than M855 as the steel core is tougher to make as consistent as the M193 round.

That is also what Bill Wiese says, I found they shoot about the same out of my 16" Armalite 1 x 9 twist.

Btw, the Prvi Partizan 62 is not a steel core.

Prvi Partizan Ammunition 223 Remington 62 Grain Full Metal Jacket Box of 20

Since 1928, Prvi Partizan has been producing custom ammunition in Serbia for competition, indoor ranges and big game hunting. The GROM bullet features a lead nose with a solid copper shank, creating a premium bullet that offers deep penetration and high weight retention. Full metal jacket loads are non-expanding rounds that were designed for target and varmint hunting because of their good penetration ability. Reloadable brass cases feature Boxer primers.

[WokMaster1]

get both. with the price going up, buy as many as possible & stack them deep.

[Addax]

XM193 is the way to go.