Sierra 155 MK Bullets

[GreyBear]

Which Sierra 155 MK bullets are listed in following Accurate Shooter 308 Load Table?

http://www.accurateshooter.com/cartridge-guides/308win/

There are at least three Sierra 155 MK bullets. I would like to try loads listed in my FN SPR and Winchester 70 308 Supergrade.

Thanks from a novice.

 

[NV Highpower]

My guess is that its for the 2155... but the difference between the 2155 and the 2165 models is so close that the load will be virtually identical. They definitely aren't for the new TMK's - the article is too old and the TMKs are brand new.

The following disclaimer should be applied to all loads found on the internet: "milage may vary"

Take those number as guidelines and work up to them (or beyond) when you build your load.

 

[corning]

Or maybe the 2156? My son-in-law and II use the same powder charge, but he uses the 2156, and I use the 2155. Velocity is similar, but the trajectory (from trace) is very different.

 

[mtncwru]

http://bulletin.accurateshooter.com/2008/12/sierra-introduces-new-308-155gr-palma-bullet/

The SMK 2156's were only introduced in 2008, so I would agree with @NV Highpower that the cartridge guide is referencing the SMK 2155. That said, I recall from my own research that official word from Sierra is that they use identical powder loads, though I can't find that specific reference at the moment. From my own experience, I can confirm that the same load and die settings work just fine for both the SMK 2155 and the SMK 2156. I shoot the 2156 in my .308, and have a bunch of 2155s for short range practice days and when a new shooter wants to try my Palma gun. I don't change any of my die or powder thrower settings going from one to the other, though I do make sure to keep the loaded ammo separate. As noted in several places, the SMK 2156 shoots significantly flatter than its predecessor.