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Author Topic: Flat base, or boat tail?  (Read 3098 times)

cpaspr

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Flat base, or boat tail?
« on: September 28, 2011, 04:20:03 PM »
I'm working on finding a good load for the .30-06 again, and I need to buy some bullets.

165 or 168 grains, hunting rounds.  Preferred manufacturer?  Preferred bullet shape?  I've used Remington Core-Lokt flat base bullets in my .308, but that's just because it was what I started with.  I'm open to suggestions for the .30-06.  And probably will use the info for the .308 as well when next I reload for it.

Thanks in advance.
Oregon


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JesseL

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Re: Flat base, or boat tail?
« Reply #1 on: September 28, 2011, 04:25:25 PM »
One nice thing I really like about boat tails - they're really easy to get ready for seating. I like the Hornady 165gr BTSP, but I haven't played around with much else in .30.
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sqlbullet

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Re: Flat base, or boat tail?
« Reply #2 on: September 28, 2011, 04:55:57 PM »
At hunting ranges (<=300-400 yards) and hunting accuracy requirements (12"-18" vital zone) there isn't a lot of difference.  Pick based on the desired terminal performance of the bullet, not the base.

Flat base bullets in general will stabilize faster and be more uniform for short-medium range accuracy (talking way beyond the accuracy needed for hunting).  Boat tail designs will drift less in the wind and maintain velocity better giving them the advantage at long distance.

There are those that believe a flat base bullet provides a larger permanent wound cavity, but I don't know of any support for that belief. 
Utah

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Re: Flat base, or boat tail?
« Reply #3 on: September 28, 2011, 10:56:32 PM »
Hunting rounds you say?  This means almost sub-600 yard shots exclusively then.  Boat tail or flat base won't really make a difference.  What will, as sqlbullet mentioned, is slug construction, and terminal ballistic performance.  What game species are you going to hunt?  What distance to you expect the majority of your shot opportunities to occur at?
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cpaspr

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Re: Flat base, or boat tail?
« Reply #4 on: September 29, 2011, 02:53:43 PM »
For now, western Oregon blacktails.  Longest shot I ever had was maybe 150 yards. There just isn't a lot of open, flat ground here, or canyons where you can shoot from one side to the other that you would actually be willing to hike down and back up twice to retrieve your game.  Here, the attitude is "There ain't no deer on the down side of the road.  Doesn't matter what you think you see, that is not a deer."  Fortunately, I've never had the opportunity to test that attitude.

This gun is quite capable, but with me behind it I just can't see taking shots beyond 400 yards.  And I can only recall a couple of times I've actually been in an area with that much room, and only once that I had an opportunity to try that long of a shot.
Oregon

seanp

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Re: Flat base, or boat tail?
« Reply #5 on: September 29, 2011, 07:55:45 PM »
The 165gr Barnes TSX is my go to bullet for .308 and I imagine it would perform just as good if not a bit better out of a 30-06.  It's plenty of bullet for that cartridge if you wanted a "one size fits all" load.  Another good bullet in that class is the Trophy Bonded Bear Claw.  I have also heard good things about the Hornady Interbond, but I have not tried them yet.  Although I do have a box on the shelf ;-D

If you were looking to make a load specifically for blacktails though, you don't need a "premium" bullet.  For years I hunted muleys and whitetail with a 150gr Winchester Power-Point load out of an M-14S and it was completely satisfactory.  IIRC, those coastal blacktails are smaller than prairrie muleys though, right?  If it was me, I would buy less expensive bullets, like the Hornady Interlock, Sierra Gameking, etc... and find the one that is most accurate for your rifle.
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mnw42

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Re: Flat base, or boat tail?
« Reply #6 on: September 30, 2011, 12:01:27 AM »
I've had good luck with the Sierra Gamekings in my .303 and .30 cal rifles.  They are pretty accurate and work well on the thin skinned stuff.  I agree; at those distances you don't need anything fancy.
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Re: Flat base, or boat tail?
« Reply #7 on: September 30, 2011, 12:13:57 AM »
Speer hot cors, Hornady interbonds, or Remington core lokts should work fine.  And they are economical to boot.   All will go through-n-through with a golf ball size exit hole and very little meat damage.  I've never personally seen any of them separate, nor read of it being an issue.  Just good tough dependable slugs.  No need for a fancy(expensive) or super tough slug here.  Elk or Moose would be a different story preference wise.  I would still use the three slugs I mentioned, with confidence, in either of those cases as well if that's what I had on hand with no time to work a different load.

A box of each, a couple pounds of H4350, a loading press, and some range time.  Done.  Most likely the sweet spot will be between 56-57 grains of H4350 under one of those slugs.  But, as the "at your own risk" disclaimer states- Check the load in current manuals, and work up to it from the lowest listed charge weights.
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cpaspr

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Re: Flat base, or boat tail?
« Reply #8 on: October 04, 2011, 04:08:09 PM »
Norseman -

What, really, is the difference between the IMR and the H versions of the same numbered powders?  I note that you seem to (I think) favor the H4350 over the IMR4350.  Is there that much difference?  I ask because I have some IMR4350 my dad gave me.  Truth be told though, I will probably need to buy another pound.

Also, what powder should I try under 165s for my .308 (Remington 760 pump)?  I've always shot 150s, but as long as I'm gonna try 165s in the .30-06, I may as well see if the .308 likes them too.  As you may or may not recall from previous discussions, I've only loaded IMR4895 under all the 150s for both guns.
Oregon

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Re: Flat base, or boat tail?
« Reply #9 on: October 04, 2011, 11:42:43 PM »
The "H" version is a bit shorter grain, making it meter easily.  It is also one of the "extreme" line of powders, meaning it preforms very consistently regardless of ambient temps.

As for the 165s in 308?  Varget.
This may be considered as the true palladium of liberty...
The right of self defense is the first law of nature.


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