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Why the 69 gr SMK when we have the 53gr VMax?

Discussion in 'Handloading and Reloading' started by mwsenoj, Mar 9, 2012.

  1. mwsenoj

    mwsenoj Well-Known Member

    I have been trying to figure out a "long" range bullet solution that will let me at least hang in the dust of my buddy and his Savage 308 rig-done-right. I have a 20" bbl with a 1in9" twist in 223 and I had my heart set on a 75gr pil but it seems that they will likely be right outside of the optimal range of twist for my rifle. I started to look at the 69gr SMKs and was very surprised to see the drop table out to 1k yds. My 53 gr V-Max going 3300 fps beat the SMKs flyin @2900fps in spades. Why would anyone shoot the 69 gr SMK? Am I missing something?

    Also, as a side note, I would love to hear any suggestions for bullets that my 1in9 rifle might like out past 500 yds.

  2. mwsenoj

    mwsenoj Well-Known Member

    I forgot to mention that I checked the BC of both bullets after the surprise and the Vmax has a BC of .290 vs. the ~.301 BC for the heavier slower SMK
  3. Kachok

    Kachok Well-Known Member

    I worry very little about the BC of 22 cal bullets, to put it nicely they all suck, step up to a 6mm or 6.5mm and you can push .550 and .600+ BC no 22 cal can even come remotly close. If you want to dust a Savage 308 get a Savage/Sako/Tikka 260 Rem or 6.5x55, vastly better external ballistics, both will rival max load 300 Win Mag with a 123gr LS .547BC at 3,000fps.
    Last edited: Mar 9, 2012
  4. mwsenoj

    mwsenoj Well-Known Member

    Well I don't think I agree with that. Berger has a 75 gr with a bc of .423 and a little further to the extreme are some of the 90 gr .224 pills with a bc in the mid to high .500s

    Either way, I am stuck where I am at because I don't have the $ to do a barrel swap not to mention a 6 or 6.5 gun.
  5. Kachok

    Kachok Well-Known Member

    How many factory 22 cal barrels will stabalize those 90gr 22 cal pills? I don't even think that the rare 1:7 twist on some ARs will keep that from keyholing, standard factory twists 1:9-1:14 don't stand a chance. If you have to use a 22 cal I think you are on the right track with the A-Max, good match bullet without a doubt, but don't just look at drop because drift at range is much more important since drop is most often a known variable.
    BTW the Burger 90gr VLD is listed at .551BC but no factory bolt gun that I know of has the twist needed to keep it streight.
    Last edited: Mar 9, 2012
  6. JDGray

    JDGray Well-Known Member

    I shoot 69gr SMKs because most times, a 100yrd group looks like one hole on paper. I have no problems hitting steel at 600yrds(11"x18" section of truck frame)
  7. Master Blaster

    Master Blaster Well-Known Member

    Why?? ACCURACY. But you should try both and see which one shoots better in your rifle.
  8. jinxer3006

    jinxer3006 Well-Known Member

    Better BC of the SMK = less wind drift
    Trajectory is easier to compensate for at long distances than wind drift (trajectory is constant). That's why people use heavier bullets for long distance.
  9. HJ857

    HJ857 Well-Known Member

    Thanks for starting this thread. That bullet is very interesting and I'd never heard of it before. I ran some numbers on it, making some assumptions on velocity and it stacks up really well against the 77SMK.

    Wind drift numbers are not hugely different. The SMK wins for energy but loses in drop, but I'd assume that the terminal effect of a Vmax to be a lot better than a SMK at any range.

    There isn't a lot of info that is easily googled other than it's a VLD design and that makes me wonder if it will shoot well out of a mag length AR load. We'll see because I just ordered some!
  10. Tomekeuro85

    Tomekeuro85 Well-Known Member

    The wind drift will kill you... The BC of the 53 is terrible in comparison and there will be a huge difference between the 75's and 53's. Yes it goes faster and in turn drops less... but the wind will make up for the drop.
  11. HJ857

    HJ857 Well-Known Member

    Hmm. The numbers I ran shows 46.45" for the 77 SMK at 600 yards, in a full value 10 mph wind. The 53 Vmax shows 49.14". Are you certain of your opinion?
  12. mwsenoj

    mwsenoj Well-Known Member

    Regarding shooting well out of a mag length, it shot lights out in my mini14 and Hornady sells the superformance factory loads with it too but I have heard of possible problems when shooting superformance powders in a gas gun.
  13. helotaxi

    helotaxi Well-Known Member

    The higher velocity of the 53gn VMax makes up for the slightly worse BC in the wind drift department as well. To around 500yds, the VMax shoots flatter and has about the same wind drift. Past that the BC of the 69gn and heavier SMKs start to pull away. The 53gn VMax is the highest BC explosive varmint bullet in .224 caliber.

    As far as accuracy goes, I've never heard of anyone complaining of VMax accuracy. Higher BC bullets aren't automatically more accurate. I have a couple hundred of the 53gn VMax and they're good shooting bullets. They're also a lot cheaper than the SMKs. My rifles have shot the 69gn Nosler better than the SMK, FWIW and I'm waiting for a day where I don't have work and the weather doesn't suck to go try out the 69gn Barnes Match Burners. Both the Nosler and Barnes are a good bit cheaper than the Sierra. My rifles also really like the Hornady 75gn HPBT.

    But again, none of the heavier bullets have an advantage over the 53gn VMax until you're past 500yds.
  14. Tomekeuro85

    Tomekeuro85 Well-Known Member

    I was referring to more 75 amax, also with the high bc plastic tip. It may only be 3 or so inches, but in competition that is significant. And i'm sure it's much better to use the 75 or even 80 amax as they have a better bc than the smk hollowpoints.

    I don't have any valid research to prove this but I'm sure it exists... and probably is the reason you dont see people using 52 or 53gr bullets in 600yd f-tr for example.
  15. SlowFuse

    SlowFuse Well-Known Member

    HJ857 the VLD will turn your AR into a single shot. You'd have to seat them to deep to get that 2.25 length.
  16. helotaxi

    helotaxi Well-Known Member

    You don't see them in long range competition mostly because they don't offer an advantage past about 500 yds. If shooting farther than that, it makes sense to use something else. Turning the AR into a single shot for High Power isn't a big deal since the slow fire stages at long range require single loading anyway. 80gn SMK and AMax are the standards there. For the shorter ranges, no reason not to use the 53gn VMax.
  17. wanderinwalker

    wanderinwalker Well-Known Member

    Interesting. I've never heard of anybody using this bullet for Highpower match shooting. Is this a newer design? If there's one thing I'm confident of, if it shoots better and is cheaper, somebody will try it.

    On the other hand, many of us know the drop and drift cold for our favored 68/69/75/77gr ammo at 200 and 300 yards. Learning new tricks can be painful!
  18. fishshocker

    fishshocker Well-Known Member

    Somethings fishy with the chart.
    1166 lbs energy at 600 yards with 223?
    I don't think so....
  19. fishshocker

    fishshocker Well-Known Member

    Oops, I didn't see dashed lines at first, Nevermind.
  20. helotaxi

    helotaxi Well-Known Member

    It's been out around a year. Was challenging to find for some time.

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