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Posted On: 3/14/2020
By: brian barcus
A: Speer's Hot-Cor SP projectile is made by pouring the core into place within the jacket while it is still molten. This process yields a bullet with exceptional rotational stability, and thus the ability to hug its course more tightly as it flies downrange. Federal's Power-Shok SP is made via a slightly different process, although its overall design is not significantly different. They are both true SP bullets with practically identical profiles. We don't know about the two rounds' comparative muzzle velocities, but their 80 grain bullets alone should not prove different enoguh to merit adjusting anything. Good luck to your daughter! A caring father is a great advantage for a first-time hunter to have.
Posted On: 3/7/2014
By: tom sheets
A: Hello Tom,
These 80gr. SP rounds in .243 Win. by Federal are the .243 Winchester caliber and not the .243 Winchester Super Short Magnum (WSSM). If your rifle is chambered in .243 WSSM, you will need .243 WSSM rounds and not the standard .243 Win. rounds.