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Barnes vs. Hornady GMX

Discussion in 'Hunting' started by ArmedBear, Jun 10, 2009.

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  1. ArmedBear

    ArmedBear Member

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    Anyone try the new Hornady solid gliding metal bullet?

    Thoughts?

    Any independent source of info about it?

    I'm not sure how long it's been out. Maybe it wasn't even around last deer season. If not, forgive my ignorance.:)
     
  2. ~z

    ~z Member

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    First I have heard of it. Then again I dont stay as cutting edge as I used to. Curious to hear about it
    ~z
     
  3. ArmedBear

    ArmedBear Member

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    A few things interest me:

    It's gliding metal, so it's compatible with existing fouling. I clean my barrel, but I don't want to grind it out very often.:)

    Hornady guarantees interchangeability with their regular lead-core SST Interlock bullet, so it isn't supposed to require special load development.

    These are really the only two issues that gave me pause about messing with the Barnes. If Hornady has really addressed them, this could be a great way to have a deer/pronghorn/elk rifle, with at least a couple different bullets, that doesn't require a lot of hassle.
     
  4. BFE

    BFE Member

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    It sounds very interesting to read that it's gliding metal instead of copper rod material. It also come across great that Hornady guarantees interchangeability with their other bullet which ends up sounding like they found the sweet spot that solves some of the other makers issues. I will have to get around to trying some of these just to see for myself.
     
  5. ArmedBear

    ArmedBear Member

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    I'll have to try them, too. But I can only try them on paper targets for now.:)

    People who have voluntarily tried Barnes all-copper bullets seem to universally like them. I've heard raves from hunters. (People who are forced to by California DFG may resent the things, but I haven't heard anything bad from a hunter who CHOSE the bullets and took the time to work up a load.)

    Hornady's expanded bullet picture looks different from Barnes. Barnes shows "petals" whereas the Hornady seems to expand more like a Nosler Partition. I'm not sure if it matters; both expand and both retain their weight when they hit.
     
    Last edited: Jun 10, 2009
  6. hardluk1

    hardluk1 member

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    If the new bullet is indeed a hornady product i would say that they did there home work and found any problems during testing if there were any with copper fouling. Barnes did have problems years ago like 15 or 16 years back. But barnes is a proven product and if price was the same i would stay with barnes latest design.It is already loaded by most all ammo companies ,even the one winchester has with the steel base is x design that they have pay for the use of. Call hornady and talk to a engineer about there new bullet and see if it is really theres and the problems getting it to production. If it is a smooth sided bullet? i would stay away,that was barnes old design that did have growing problems.
     
  7. ArmedBear

    ArmedBear Member

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    This is it:

    [​IMG]

    If it's really equivalent to existing Hornady bullets, I already have a good, accurate load for it.

    With the Barnes, I'd have to start over.
     
  8. Dr. Tad Hussein Winslow

    Dr. Tad Hussein Winslow member

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    These vaporware or available? Got any links? Are they lighter weight with the same profile/BC, or what?
     
  9. interlock

    interlock Member

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    i find it dificult to see how they can be interchangable becuase lead is heavier than guilding metal, so they must be longer than a lead bullet for the wieght
    interlock
     
  10. gvnwst

    gvnwst Member

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    I don't know about available, but they are suppossed to be completly interchangable with any given bullet weight with the SST and interbond. IIRC that is for BC too, but i'm not sure...
     
  11. Silverado6x6

    Silverado6x6 Member

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    Not because I am a "green" believer but more towards a willing stance of accepting new component technology of performance I have been reloading Barnes Triple Shocks and the M/LE line of pistol bullets, the rifle bullets are showing a much better killing factor than traditional lead core bullets with big game hunters especially in my neck of the woods up here in Alaska.

    Reloading all copper bullets requires a different set of parameters as the bullets will be longer to make up for the weight against lead, in some areas like stabilization and the right barrel twist rate it shows some very good accuracy.

    The only drawbacks that I can see is long range inertia retention but then again Barnes has the MRX which uses tungsten instead of lead which is actually heavier.

    I have not bought any lead type bullet in the last year and am using almost all Barnes now, besides the fact its about the only bullet on the reloading shelves, a bit pricey but in my opinion they are worth it. If any does reload them you must use Barnes data or you will get excessive case pressure, in some loads I have found there is less powder being used.
     
  12. ArmedBear

    ArmedBear Member

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    They are avaialble. Drove over to Cabela's last night to check for what I wanted, and the 165 Grain .308" GMXs are on the shelf next to the BTSPs, SSTs, etc.

    Didn't buy any, because I'm almost out of powder and they didn't have it. When I get some powder, I'll try the bullets.

    AFAIK the bullet length and shape match the SST.

    That's what I've been hearing about the Barnes. If the Hornady's offer similar performance, but also let me load practice bullets without having to change anything else, then I can't see any reason not to use them for hunting.

    (At 64 cents apiece plus sales tax, I can see why I don't want to load up a few hundred GMX (or Barnes) bullets for rifle practice...:) )


    Links:

    https://www.hornady.com/shop/?ps_se...&category_id=ffd8e51c7827b4eed2fb35a333f4eafb
    http://www.cabelas.com/cabelas/en/t...parentType=index&indexId=cat601233&hasJS=true
     
  13. Dr. Tad Hussein Winslow

    Dr. Tad Hussein Winslow member

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    OK, so the length and the shape match the SST, which is a good thing. SSTs are known to be accurate, and have good BCs.

    However, since presumably this gilding metal is less dense than the average density of the lead-with-copper SST, is the bullet lighter (and thus faster)? Or not? If it's faster with the SAME BC, then I'm definitely interested (particularly if they also have more rapid expansion). If they are the same weight/speed, then I don't see much of an advantage. Also, how much more is the cost of these than say, an SST?

    Edit: Oops, ok, I'll look at your links to get my answers, but if you want to discuss it as well, then so much the better.

    May I just gripe a bit about the Barnes bullets however, while we're on the subject. The TSX bullets and MRX bullets both I want to gripe about, but mainly the TSX: Why, oh why. Oh, why. Can't Barnes get the BCs any better than they are? They are OK BCs, but actually pretty crappy compared to say, the Hornady SST/IB, and really crappy compared to the Berger VLD, which is being hailed and marketed now full steam ahead as a hardcore performance hunting bullet on the hunting tee vee shows. Also very very crappy compared to the (now-discontinued) Lost River J36 hunting bullets. It should be EASIER, not harder, to get an all-copper bullet of X weight to have a great BC than a similarly-weighted lead/copper bullet, simply because copper bullets are LONG, and as it happens, LONG is also the shape of good BC bullets. Why do the Barnes BCs suck so badly then? I have no doubt that they perform, but they shed velocity much quicker than other bullets in the long range hunting market. Barnes REALLY needs to steal an engineer out from under Hornady, who will teach them what shape to make a bullet to give it a good BC.

    Edit again: Also, I just now recall that I had looked at these and lost interest when I found out they don't make one in 6.5mm. :(
     
    Last edited: Jun 11, 2009
  14. ~z

    ~z Member

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    Tad how far are you expecting to shoot them?
    ~z
     
  15. Dr. Tad Hussein Winslow

    Dr. Tad Hussein Winslow member

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    ~z, doesn't matter, really. The better the BC, the smaller the magnitude of "correct wind drift estimation error" and the smaller the magnitude of "correct holdover estimation error" at all distances, even as close as 150 or 200 yards. But to answer your question, no more than 350 yards, maybe 400 absolute tops (in the rifle I'm thinking of, a .260 rem).
     
  16. ArmedBear

    ArmedBear Member

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    .260 is a tad different from .30-06. AFAIK the bullets are the same size. Not sure how. Maybe there's less air space and a smaller plastic tip in the GMX.

    I'm mainly interested in terminal performance, which, as I said, is reported to be amazingly good with the Barnes bullets.
     
  17. hardluk1

    hardluk1 member

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    I find when shooting both a factory loaded 140 gr tsx and a 139gr sst heavy mag from hornady at 400 yards i don't even bother to make any changes to the scope. It does hit another 1 1/2 lower but still gets the job done. At 200yards i don't see a bit of difference. I thing i do know is at 400 yards it will go through both shoulders of a deer and at 200 it will travel from through 51' of deer. I shot a mulely from the hind end and found a bullet path through the rear ham,backstrap 6 broke ribs and a frackure back along with a broke front shoulder. Bullet was under the skin at the front of the deer. This was the original 140gr x in a 7mm rem mag. Heck, Tad if you want the best bc then load an a-max, some people use it for deer to. I also like a BT but not for all conditions. I like most don't worry about the bc that much,doesn't matter till distance's get really long . Just load what you want and be happy .
     
  18. ~z

    ~z Member

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    Tad, I understand bc. At the distanced you are talking about you will hardly notice the difference between .4 and .5. Double it and yes, triple it and most certainly, stretch it beyond 4 times that distance and you will have quite a bit of difficulty not noticing the difference. But inside 400yds shooting in field conditions you will hardly notice it, not something to loose sleep over.
    If they give the terminal performance you are looking for, I’d use them and not sweat a bit of bc
    ~z
     
  19. Dr. Tad Hussein Winslow

    Dr. Tad Hussein Winslow member

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    Well I'll have a look at it and run the numbers - you may be right, and the terminal performance of the TSX does sound interesting. No, I ain't using the A-max (or SMK or Scenar or similar). But I think BC *could* make the difference on a 275 yard shot on the buck of a lifetime, *in high winds*, UNDER FIELD CONDITIONS, where you might have a holding error to start with (wobble), giving you less than 2" margin of error in windage, and if you're off more than 1" in kentucky windage guess, then the high BC bullet could make the hit into the vitals, whereas the low BC one wouldn't. There's a world of difference in being off 2" at 300 yards at the range, benchrested, versus MINIMIZING the almost-guaranteed error created by field conditions - both bad hold and high winds. It's very windy a LOT here, and as you know, BC is more important than velocity to bucking wind (unlike holdover error, which is more dependent upon velocity than upon BC, at least out to 400 or so).

    So, the Hornady SST seems to hit the sweet spot balancing:
    --terminal performace (excellent, BOTH as to rapid expansion of the nose, and retention/penetration), with
    --actual accuracy (very very good), with
    --BC/practical accuracy/MPBR (very very good), with
    --low purchase price (good to very good).

    The TSX is poor in the purchase price category, and moderate to good (not even good-plus) in the BC/MPBR category. Its accuracy would seem very good, and it's terminal performance outstanding. If we could get three of the four in the good or better ranks, rather than 2 of the 4, it might stand a chance beating the SST.

    The Berger VLD at least gets 3 of 4, with its only drawback being high price like the TSX; that is, *IF* you believe the claims about its excellent terminal performance, which I've not heard much from actual shooters, just 'professional hunters' on TV who get PAID to talk about how the Berger is the deadliest chunk of lead known to the animal kingdom - and they do.

    So regardless of whatever else it has going for it, it just seems to me that it'd be EASY to make these bullets with better BCs (the Barnes) without sacrificing any terminal performance, since long bullets and good BCs are heaven-made for one another, and that's what the copper bullets are - long! So it's a "why the heck not" thing for my hard earned shooting dollar.

    Even the MRX which cost about the same as pure gold, pound for pound, has a relatively poor BC for its ballistic tip design.

    Unless you believe a little lead in the ground harms the environment, in which case there's a reason to go TSX that is hard to put a value on.

    PS. If I was rich, then the cost of the Barnes would not matter much, and probably make them the better choice easily.
     
    Last edited: Jun 12, 2009
  20. JWF III

    JWF III Member

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    Alright. Please correct me if I'm wrong here. Not that I'm doubting something a manufacturer would say about there product. But I am always a bit skeptical about the lastest and greatest. (And just for the record, I am a Hornady fan. Both products and customer service.)

    To the point. They say that the length and shape are the same. They say the BC is (near enough) the same. But in my understanding, if the length and shape are the same, since copper is much less dense than lead, the weight won't be the same. Therefore the Sectional Density won't be the same. Therefore the Ballistic Coeffecient won't be the same.

    With less dense material, to keep the weight, SD, and BC the same as a bullet of the same caliber. The new bullet will have to be longer.

    The only other thing that it could be, is if this new bullet uses a copper alloy with something like tungsten added to increase the alloy's density. That could be a possibility.

    Like I said, please correct me if Imy understanding of this is wrong on this in any way.

    Wyman
     
  21. ~z

    ~z Member

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    I can see you have put a lot of thought into this. I think you are unnecessarily splitting hairs to compensate for a bunch of what ifs. If you want a high bc bullet to compensate for a bad shot you are out of luck, to my knowledge they have not come up with one …yet. I have found dandy terminal performance with a variety of the high bc bullets you are shunning (A-max excluded as I have no direct experience with it). If it is very windy where you are, practice in it a LOT. Not to sound preachy but don’t expect to make the “shot of a lifetime” on the “buck of a lifetime” without a lot of practice under similar circumstances.
    Shoot more under field conditions so you can worry less.
    ~z
     
  22. ArmedBear

    ArmedBear Member

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    I bought a box.

    The are a bit longer than the lead-core bullets. Claimed BC is the same.

    I've loaded up a few with 3 different powder charges (My usual Hornady BTSP charge -1 grain, -.5 grain and full charge). Will report back when I've shot some.
     
  23. JWF III

    JWF III Member

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    One more chance (for me to learn) to correct me if I'm wrong.

    Assuming you load with the bullet .010" off the lands, with the same BC you'll have near (if not exactly) the same ogive on the bullet. If you treat these like the lead core equivalents, and load them to the same OAL, won't pressures increase because of less "free space" inside the cartridge.

    And with increased pressure, won't that change the exterior ballistics of the cartridge.

    ArmedBear- When you say these are a bit longer, how much is a bit? Is it enough to make much difference in pressures? (I assume not because you loaded the test rounds up to your previous load. But it may not have been at max levels. Only you know that.)

    Looking forward to seeing your test results.

    Wyman
     
  24. Silverado6x6

    Silverado6x6 Member

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    Hey guys, Barnes recommends that their copper bullets have a substantial "jump" to the lands, I load my 150gr TS at about .050-.070 max in my M1A .308.

    Without going into my reloading room and digging out my data my COL was max for magazine feeding and I still had slightly over .050 for the throat, reason is that the harder copper needs some speed on it when it hits the lands.
    http://www.barnesbullets.com/information/load-data/tsx-guidelines/



    June 13, 2009
    Home » Technical » Load Data » Loading Guidelines
    Loading Guidelines


    1. What load data do I use for the Tipped Triple-Shock and Maximum Range X Bullets?

    Answer. We recommend using Triple-Shock X Bullet data from Barnes Reloading Manual Number 4 or the Technical Section of Barnes Bullets website.


    2. How accurate is the Triple Shock?

    Answer. In testing we have found the Triple Shock bullet to be very accurate. For another test on the accuracy of the new Triple Shock- check out the July, 2003 issue of Shooting Times and Rick Jamison’s article on ” New Loads for an Old Favorite - The .270 Winchester .


    3. Where do I seat the Triple-Shock, Tipped TSX and MRX bullets?

    Answer. We recommend seating these bullets .050″ off the lands {rifling} of your rifle. This length can be determined by using a “Stoney Point Gauge” or other methods. You do not have to seat the bullet at, or on one of the annular rings.
     
  25. hardluk1

    hardluk1 member

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    There is one more of the barnes born bullet to look at and that would be the winchester version that use's a steel plug in the rear of the bullet to give a heavier bullet with the same shape of the regular barnes x. I don't shoot winchester so don't pay much attention to there products. IF buck hunting is what you want a bullet for???? As much a like the barnes x i use the nosler ballstic tip and the sst when just buck hunting. My BT ammo is from georgia arms and is a bit hotter also that factory loads and it matches very well to hornadies heavy mag sst round. Both are 139 or 140grain. Like i said before ,i don't reload as i don't shoot that much a year and ain't worth working up something as fast and accurate as i can buy. I know i am shooting a hotter caliber than what your looking to load but i have never had a deer move more than 1 step with a BT. The bt can destroy a lot of meat if bullet is placed baddly. Atleast you don't have to look for the deer. Noslers new E bullet might be a new design worth looking at too. Still like the X for elk or heavier game.
     
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