Both use the same powder charge and there's no need to change the settings or sight-in on your scope. If the bullet has arrived on target accurately, its job is done at that point.
I'm a big fan of the 30-06 and Sierra bullets. In a thread here, many years back, a Sierra guy chimed in about their bullets. These bullets have very thin jackets drawn to an exacting concentricity standard of 0.0003 in maximum variation, and their weight is held to within ± 0.3 grain. Although MatchKing® and Tipped MatchKing® bullets are commonly used for varmint hunting, their design will not provide the same reliable explosive expansion at equivalent velocities in varmints compared to their lightly jacketed Hornet, Blitz or Varminter counterparts. It will bring a smile on the face of that young hunter with their first deer. MatchKing Bullets feature a hollow-point boat-tail design that provides an extra margin of … GameKing Bullets are designed for hunting at long ranges where their boat-tail design brings ballistic advantages for an extra measure of performance. MatchKing Bullets: This is the classification for Sierra's pre-eminent target bullets. The driving motivation for the design of each MatchKing bullet is accuracy. I practice with 168gr MatchKing bullets and load 165gr GameKing bullets for Deer. This bullet requires a barrel twist rate of 1×10” or faster. If you handload for 22-250, 223 Remington, 6.5 x284 Norma, 308 Winchester, or 300 Winchester Magnum check out this new reloading data.
The driving motivation for the design of each MatchKing bullet is accuracy. Some shooters are concerned that the tried-and-true MatchKing® bullets will be replaced with the Tipped MatchKing® bullets. Federal's product #P308C is loaded with a 165gr Sierra BTHP Gameking bullet.

On the range or in the field, Sierra bullets offer that extra margin of performance that shooters can depend on. With 223’s having a 1-10” or faster twist Sierra offers a 65 gr. Written by Sierra Bullets Chief Ballistician Tommy Todd.

Written by Sierra Bullets Ballistic Technician Rich Machholz Nearly every day and for sure every week each of us technicians get asked how we work up our own personal loads. Posts about MatchKing written by Sierra Bullets. GameKing Bullets are designed for hunting at long ranges where their boat-tail design brings ballistic advantages for an extra measure of performance. MatchKing Bullets: This is the classification for Sierra's pre-eminent target bullets. Buy the Sierra MatchKing Rifle Bullets and more quality Fishing, Hunting and Outdoor gear at Bass Pro Shops. We now carry every bullet that they offer for resale. In 30-caliber, the 150-grain soft-point boat-tail will indeed fragment at impact velocities above some 2,700 ft/sec, as I had found with a 30-yard shot on a mule deer. These bullets have very thin jackets drawn to an exacting concentricity standard of 0.0003 in maximum variation, and their weight is held to within ± 0.3 grain.