How Bullets Kill: Monometal vs. Lead-Core Bullets

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  • Опубликовано: 23 май 2024
  • How good are modern monometal hunting bullets? All-copper and copper-alloy designs have undergone a lot of evolution in the past couple decades, and are becoming more and more popular. This episode takes a deep dive into the primary performance characteristics of the type, focusing on:
    • Killing effectiveness
    • Accuracy potential
    • Different expansion mechanisms
    • Long-range capability
    • Barrel fouling and how to manage it
    • How to choose the right bullet for your specific hunts
    We talk through the specific performance features of bullets by Barnes, Hornady, Hammer, Nosler, Federal and others, and detail what each is particularly good for.
    ENJOY!
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Комментарии • 89

  • @johnt34aus
    @johnt34aus Месяц назад +10

    Great job William in getting these episodes on RUclips so quickly 👍

  • @BackcountryApprentice
    @BackcountryApprentice Месяц назад +17

    Last November with my dad (this guy) we took a lot of plains game with the TTSX in 9.3x62 and he took a great old dagga boy buffalo with a TSX in that same rifle. I got back-to-front penetration on a wildebeest that I had to follow up on, which is at least four feet of penetration.

    • @moomoojuiceman
      @moomoojuiceman Месяц назад +5

      Ive recently picked up a 9.3x62 and I was wondering what the effective range a ttsx would be in this caliber, as it's not the fastest round around

    • @steveschrodi2167
      @steveschrodi2167 Месяц назад

      Plus you don't have to worry about eating lead in your meat

    • @dalebenson6859
      @dalebenson6859 Месяц назад +3

      @@moomoojuiceman I own for the past 18 years a CZ 550 in 9.3x62 Mauser then shoot exclusively the Barns TSX 286 grain bullet for my Alaskan guide work rifle.
      I would tell you to use the 9.3 x 62 for what PH hunters have said to use the 9.3 for shooting to around 375 yard and closer the better.
      Now I have finished off Brown bears with the 9.3 load I just wrote about to 350 yard when the bear was on the retreat and no other option of getting close was there, so it was shoot or possible cause allot more problems latter looking for the bear.
      Never have I recovered a Barns bullet so no idea what they look like after a pass through?
      Don't get your panties all in a pinch over if the bullet expands or not because I also use the Barns 286 grain solids then have the same killing affects as the Barns TSX.
      The bullet passing through big game animal with the power the 9.3 puts out may it be a barns TSX or a Solid they kill fast !

    • @BackcountryHuntingPodcast
      @BackcountryHuntingPodcast  Месяц назад +4

      we used ours out to 300 yards with great results... particularly with the 250-grain Barnes TTSX handloads.

    • @steveschrodi2167
      @steveschrodi2167 Месяц назад +2

      @@moomoojuiceman For me, I restrict to ~275 yards with 250g tsx or ttsx. Around 250 yards for 286g. Never been a problem and almost all shots are within 150 yards where I've hunted. If you're hunting very open areas and think 350+ yards is likely, then I'd go with one of the 300 mags, 7 mags, or 338mag, depending on the game. For 95% of hunting scenarios and big game animals (whitetail, muleys, elk, moose, bison, all bears), you can't go wrong with the 9.3x62. I have two CZ 550s in 9.3x62 (one scoped for out to 275 yards and open sights on the other for up to 150 yards/wooded areas). Also, for those not familiar with the round, the recoil is not a problem. It really is a much slower push, than a snappy smaller caliber magnum, thereby facilitating excellent accuracy at the ranges above. At least that's my experience.

  • @Godfryness
    @Godfryness Месяц назад +12

    I would love to see a in-depth review of your m77 in 35 whelen

  • @lenzadlberger
    @lenzadlberger Месяц назад +8

    Speed kills with Copper thats why i use 130gr TTSX in my 308 at 3021ft/s and 123gr Fox Classic Hunter at 2985ft/s in my 6,5x55SE both work great from our little Roe to even the biggest Wildboar Keiler and big Red Stag, i still go for behind the Shoulder deep Heart Lung / yesterday i have shot a Red Deer (1 Year old 55kg) it ran 25m and dropped the Heart wasnt even existing anymore with my 6.5 Swede, this is the normal Distance they get before they go down

  • @n7565j
    @n7565j 20 дней назад

    While I'm not a "big game" hunter, I grew up hunting a lot of birds (duck, quail, dove, etc) with our family. My little Cherokee grandmother absolutely LOVED hunting & fishing so we had lots of locally harvested Thanksgiving & Christmas meals!!! We used to have contests to see who had the most bird shot on their plate with prizes for the person with the most ;-)
    I miss those meals, my grandparents and HUGE family gatherings enjoying our catch/hunting bag... Unfortunately America has changed!!!
    Safe travels sir👍🙏😇

  • @michaelnelson1911
    @michaelnelson1911 Месяц назад +1

    Joseph you have one of the top RUclips channels around. This was an exception good one. Your content is always informative and top notch. With all the new bullets and caliber designs this is a perfect time for you to share information about lead core and monolithic bullets. Thanks for your tip about ammonia. You’re always a wealth of information thanks for sharing. Keep up the good work and happy trails.

  • @michaelwilson9986
    @michaelwilson9986 Месяц назад +5

    I hope you touch on the different alloys of Monolithics

  • @TheWVgoodguy22
    @TheWVgoodguy22 Месяц назад +2

    Excellent overview of all things monometal bullets from start to finish.
    I don’t have on game experience yet with copper bullets but I have shot them some in both my 270 Win and 300 WSM. The 180 grain Hornady GMX in the Outfitter shot well in my Savage M110 Long Range Hunter in 300 WSM and I have 150 grain Barnes TTSX but have yet to load them. I have zero experience loading copper bullets but need to change that.
    My youngest brother loaded some 130 CX bullets for my 270 Win and we found a load that works well in it, and need to load up more and do more testing and take it hunting. Especially on the Wyoming mule deer 🦌 and pronghorn combo hunt that I want to do next fall. 😃🤠

  • @bentaylor216
    @bentaylor216 Месяц назад +1

    Very informative, thank you.

  • @barrymantei7795
    @barrymantei7795 Месяц назад +1

    Very informative information on copper bullets. I use them on many different calibers.

  • @REDNECKROOTS
    @REDNECKROOTS Месяц назад +4

    Love your channel and content you cover. 💯 Awesome 😎

  • @kevbres778
    @kevbres778 Месяц назад +1

    Loved the episode. I’d like to learn more about cleaning agents. The ammonia based concern is interesting.

  • @michaelwilson9986
    @michaelwilson9986 Месяц назад +1

    Good One Enjoyed.

  • @arcticblaster2
    @arcticblaster2 Месяц назад

    Good information, thanks.

  • @ccfdmd
    @ccfdmd Месяц назад +2

    Nice review

  • @mikeberger6664
    @mikeberger6664 Месяц назад +1

    Thanks for sharing

  • @leveractiongypsy1848
    @leveractiongypsy1848 Месяц назад +3

    Great vid as always, very interesting topic how bullets 'kill'. Since smokeless powders, things have actually not evolved that much in hunting firearms. Exception is better powders = more speed, now needing harder bullet material to have a predictable rate of expansion, we can make bullets from harder metals such as copper for expansion at higher velocities equaling better killing power even further out....Yet shooting a cast bullet was the best for hundreds of years. What changed? We dont have to risk losing an animal but getting to close in a stalk and spooking before we have a shot, or not risking getting too close to dangerous game. With modern powders, too fast with cast lead it might over expand or even come apart mid air. We need harder bullet metal... Alot of bullet casters are experimenting with cast zinc bullets as you can shoot high velocity - there is promise with a cast zinc / lead core rifle bullet that would be cheap and easy for anyone to make a home without the 50 cent over a dollar price per bullet, and still deliver performance downrange.I do like the Barnes TTSX, but not the price. I also like the fact that as a reloader bullet caster, if you get lead for free as in sweat equity - (sifting range scrap lead at a shooting range) - my biggest cost is the primer. Hunting ammo is expensive BECAUSE of the bullet. Zinc wheel weights are free at least at this point... as a bullet caster it would be great to develop a cast zinc/lead core bullet that was effective and could be cast by the home user....working on it :)

  • @briansmith2616
    @briansmith2616 Месяц назад +1

    Excellent information, I find it very useful. I'm stuck in California for a few more years and am forced to hunt with mono's.

  • @kerryfalls3292
    @kerryfalls3292 Месяц назад +1

    Nice black bear hide behind you, mountain man! Bought some copper bullets from Federal,Barnes, and Sig Sauer for my 6.5 creedmoor to try as a comparison! First heard about them from Spomer, and first thought they might give me a “edge “ over lead! Thanks for your expertise and extensive discussion!! Man, I just hope I can remember 1/2 of what you talked about!!!

  • @crishuntbrasil
    @crishuntbrasil Месяц назад +1

    I used the Hornady Cx in cal 300 win mag a lot during this plain game season in Limpopo, in this region the savannah is somewhat more closed and our shots rarely go further than 150 meters, this allows me to work at lower speeds, (1,800 fps) with 180 tips, with incredible effects. In May we hunted more than 150 antelopes of all sizes with the CX, with great results, however on 30/06 I didn't get the same results, with the powder I had (vihtavuory 540) I couldn't accelerate them to the 2,700 I wanted... and I have used Nosler accubond 180 with great precision and killing power.

  • @nikos6220
    @nikos6220 Месяц назад +2

    Awesome knowledge dump. I missed only one downside of the monos, and it’s a big one in my opinion.
    In case of them shedding petals inconsistently, they leave their original straight path and can go wherever. Not what you want to see if vitals are on the intended trajectory

  • @BackcountryHuntingPodcast
    @BackcountryHuntingPodcast  Месяц назад +10

    Like and Subscribe!

  • @steveschrodi2167
    @steveschrodi2167 Месяц назад

    I think it's worth mentioning that you do get significant lead contamination in meat and hunters/family members using lead bullets have been shown to have elevated lead in their blood. Not only go lead-free bullets perform well with great penetration/expansion, but you don't run the risk of consuming lead.

  • @billyhancock7851
    @billyhancock7851 7 дней назад +1

    I am studying all these bullet type videos to benefit all of us in those 3 or 4 short, slow, straight walled states, or thick wooded slow short ranged rifles. The monolithic or monometal bullets are uncertain to me because it seems that every "expert " tells us the monumetal has to be 2000 fps +/- . So which of these do you suggest, if any? As of right now it seems that my only option is a bonded or cup & core. What ya'll thinkin?

    • @BackcountryApprentice
      @BackcountryApprentice 7 дней назад +1

      For hunting in those states that you mentioned, at the ranges that you’ll be shooting and those cartridges are really effective, a cup and core bullet will be just fine.

  • @mr.mr.3301
    @mr.mr.3301 Месяц назад +1

    I’m thinking bonded is really where it’s at. For me at least.

  • @user-ec6do4if2u
    @user-ec6do4if2u 25 дней назад

    Excellent video thank you! I bought a 280ai in the covid days and was unable to find much of any 7mm bullets on the market. Have always been a accubond fan but finally found hammer were available. I loaded up some hammer hunter 143 grain bullets and the gun will shoot consistantly under .5 inch groups with them. Have only taken one deer so far with the rig but i am planning a moose hunt this fall. In your opinion are the hammer hunter 143 s a good option for me? I am shooting them at 3060fps with 4831sc powder?

  • @michaelwilson9986
    @michaelwilson9986 Месяц назад +3

    Rats wish had seen earlier.. Will have watched all of this later.. Sounds Interesting

  • @andreisharma
    @andreisharma 24 дня назад

    Idk if you said but yea it seems like you need to clean the barrel when switching to mono. I was shooting hornady eldx factory 338 win mag. Not so great. Tested Barnes ttsx hand loads. All over the place. Cleaned the barrel then I got 1 moa

  • @leonharris1329
    @leonharris1329 Месяц назад +1

    The barns ttsx is wonderful in the now extinct 338 rcm. 160 gr at 2950 out of a 20 inch barrel makes a wonderful all around rifle suitable for all north american game.

    • @PlagueIsMyName
      @PlagueIsMyName Месяц назад

      Don't call It extint. Blaser has revived it. It's called the 8,5x55 blaser and the 160 grain ttsx is one of the offered loads. It seems to be one hell of an all rounder.

  • @jacketling3409
    @jacketling3409 Месяц назад

    I think copper bullets really shine when using a lighter cartridge on larger game with a recoil-sensitive hunter. They will be far more accurate and, therefore, deadly with something that is comfortable to shoot than if they are flinching in anticipation of the kick. Copper has some ballistic limitations that must be considered, and i think it's best to try to punch it through the shoulder instead of the more traditional behind the crease shot. So far, my experience has been that copper kills just as fast, but we have a lot less meat loss.

  • @michaelwilson9986
    @michaelwilson9986 Месяц назад

    48 min mark Clean barrel section. ??? In your experience with those you have tested.. Have you noticed any difference between the Alloys Mono n Regular Cup n Core.ie shooting both.
    I do know your most correct on the all Copper Clean n dont mix. Cant say for sure on the Alloys yet. Ie Win Deer Season n Copper Impact. ETIPS As well. Carry on.

  • @joeyriffe9556
    @joeyriffe9556 Месяц назад

    Have you seen accuracy issues shooting copper and lead bullets? I have a tikka .308 shooting .5 moa with the 150ttsx. I’m afraid to shoot any lead through the gun with the copper shooting so well. I appreciate your thoughts!

  • @michaelwilson9986
    @michaelwilson9986 Месяц назад

    I Believe the E Tip now does have a single wide groove . No ideal why they did ,as they group good.

  • @michaelwilson9986
    @michaelwilson9986 Месяц назад

    You need to expand on the euro monos.. Norma has a 2 one of which is Tin Core. Kinda like Barnes MRX only " green " bullet with on game use. S&B has 2 TXRG Engery Blue Spitzer n a New Edge which is like there SPCE.. Shot the 180gr 06 still trying to get my hands on 7x57 n 8x57 n 06 165 piggy bank hasn't allowed yet. N Hornady has a European line with a slightly different CX
    Would like get hands on them in 7x57 8x57 or just the bullets.

  • @McGuireBallistics
    @McGuireBallistics Месяц назад

    Interesting

  • @Greyzonecompliant
    @Greyzonecompliant Месяц назад

    only 480p looks a little blury.
    interesting topic 👍

  • @cabochris100
    @cabochris100 Месяц назад

    OK... let's explore high-technology bullets. None seem to want to talk about. Specifically, DRT bullets. Supposedly, they can shoot through glass, brick, and bone. Then, encountering liquid, they disintegrate into a swirl of fine metallic powder, which is compressed inside the jacket. They are supposed to be accurate and won't ricochet from one animal to another. They do not spoil meat. That explosive cloud of powdered metal destroys all organs instantly, causing sudden blood pressure drops and quick kills. Here's where it gets interesting... even small cartridges loaded with DRT bullets kill big animals. It's like 1 shot and done! They have an older video, where a cow elk out there, dropped instantly to one DRT 243! Over the phone, they told me they shot a big bull elk at 600 yards, 1 shot with their 243 Win load! An African hunting guide says DRT bullets shot out of 223, kills all the plains game! I watched 223 DRT loads drop Oryx, and 1 shot a piece on a US ranch! Just the other day, I called DRT and was told the 6.5 Creedmoor dropped bigger animals than the elk and black bear effectiveness I inquired about! Think about this... I get a dinky accurate 6.5, and with DRT loads, I can drop all Western big game with 1 well placed shot, 400 to as they claim, 600 yards. If so, why shoot bigger cartridges? What if their technology really has changed the game? Sounds too good to be true. But what if it is. During my call, I surmised this tech is deliberately suppressed. They agreed. That hunters don't get the technology and fear exploding bullets. That the traditional bullet industry fears what DRT brings to the table? I intend to find out. I have always favored using big guns... 300 Weatherby, 300 RUM, 338Win, 375 Ruger. But dang, I just may buy a Springfield Waypoint in 6.5 Creedmoor and go after Black Bear and Elk with the DRT load! Gun writers seem to poh- poh DRT? I ask that you try DRT, as it would be interesting to hear about your results😊

  • @frankhazard8900
    @frankhazard8900 Месяц назад

    Check out Twenty Nine Bullets, Umberto and his team are doing a great job on monolithic bullets

  • @mikenavy360
    @mikenavy360 Месяц назад

    2nd 3rd or 4th shot. Keep shooting till there down. Not sure if you hunt elk and larger game.

  • @Bhartrampf
    @Bhartrampf Месяц назад

    What do you think of the Cutting Edge bullets?

  • @shanerhodes925
    @shanerhodes925 Месяц назад

    Barnes makes the matchburner that's lead core. Good bullets so far. What I have shot from them.

    • @BackcountryHuntingPodcast
      @BackcountryHuntingPodcast  Месяц назад +1

      Yep, and Barnes also makes the lead-core Original, which I'm partial to in my .45-90 lever-action. But the company's primary focus is monometal bullets! Great projectiles, all of them.

    • @shanerhodes925
      @shanerhodes925 Месяц назад

      @@BackcountryHuntingPodcast also. What's your thoughts on the factory Barnes 280 Ackley ammo ?? I am sort of interested in trying g some. But my shots are close normally. In the north east . So I probably do not need the high BC stuff. But am curious about how it does.

  • @helmutczichelski1454
    @helmutczichelski1454 Месяц назад

    Hallo Benedikt aus der Schweiz
    Vergleich doch einmal "Messing-Führbandgeschosse" mit Kupferprojektilen. Lutz Möller war ein Pionier in der Entwicklung heuter bieten verschiedene Hersteller wie "Sax Bullet" "GM Geschossmanufaktur" oder "Fox Bullet" kontrolliert zerlegende Geschosse ...

    • @lenzadlberger
      @lenzadlberger Месяц назад

      Fox Classic Hunter sind keine Zerleger sondern Deformierer und auch nicht aus Messing das LOS HT fällt mir da noch ein als Zerleger aus Messing ähnlich wie das SAX und die Lutz Möller Dinger 😉 Gruß aus Deutschland
      Ich mag Deformierer wie Barnes TTSX, Fox Classic Hunter, Hornady CX und ECX lieber als Zerleger

  • @mikecampell
    @mikecampell Месяц назад

    I have been forced to use them for years now Calif. I don't like them at all. they almost all pass through without good expansion I've used many different brands. When out of state hunting, I always use normal bullets of many brands and types.

  • @REDNECKROOTS
    @REDNECKROOTS Месяц назад +2

    Bonded lead core are not going anywhere. And the partitions style bullets are also not going anywhere, except on the top of the pile. We need to loose these rebrand target bullets that some guys hunt with. Silly

    • @lenzadlberger
      @lenzadlberger Месяц назад +1

      👍 Nosler Partition & Accubond, Norma Bondstrike & Oryx, Speer Hotcore & Gold Dot or even cheap as Dirt Cup & Core Hornady SST all work great on Game or Monolith like Barnes TTSX all of them can be as Accurate then Targetloads ......... i dont know why anybody would Hunt with Target Bullets that are simply not build for the Job ok on Varmints or Crows ... with Sierra SMK or TMK or normal Hornady BTHP but even there Sierra Blitzking and Hornady VMax are better

    • @jaydunbar7538
      @jaydunbar7538 Месяц назад +1

      @@lenzadlbergerdon’t forget to add that terminal ascent from federal, we’ve only taken 1 deer with it so far and unsurprisingly it was a clean pass through at 20 yards. Held together, didn’t find any chucks left behind. Was in a 6.5 cm, and they shoot fabulous through that cheap savage 110.

    • @NorthRiverGuide
      @NorthRiverGuide 17 дней назад

      Some would argue that the overbuilt bullets advertised for "hunting" are less humane and built for unnecessary penetration where there are more humane but less conventional options

    • @REDNECKROOTS
      @REDNECKROOTS 17 дней назад

      @NorthRiverGuide well that's just silly. 2holes are always better then 1. Might have to chase it 100yards or so but bleeding out both sides makes that easy. I've lost animals w rapid expanding bullets. I've never lost one with partitions, or terminal accents. That tells me all I need to know!

    • @NorthRiverGuide
      @NorthRiverGuide 17 дней назад

      @REDNECKROOTS I'm not at all saying I'm getting only one hole, the heavy for calibre bullets that I use are more lightly constructed than bullets built for hunting and the animals aren't stopping them. They go in, create a wider permanent wound cavity than controlled expansion bullets through the vitals then exit. Even the black bear boar I recently harvested had a quartering away passthrough with a 73gr eld match shot out of 223rem. I don't think you realize how unnecessarily overbuilt those "hunting" bullets are

  • @scottstruif3939
    @scottstruif3939 Месяц назад

    Lead core bullets kill faster due to fragmentation, like JVB said. This video is only interesting if you hunt in CA.

    • @mikenavy360
      @mikenavy360 Месяц назад

      Not necessarily true, I am a high shoulder with most larger game.

    • @lenzadlberger
      @lenzadlberger Месяц назад

      Monolith Bullets have their place they work if used correctly dont go for the same weightclass then traditionel Leadcore go light for Caliber and as fast as possible speed kills with Copper Bullets and give you the Results you want, i use 130gr in 308 and 123gr in 6.5, 120 in 7x57R and 140 in 7x64, i never lost a Animal with these mostly Barnes TTSX and i go for behind the Shoulder Heart so lower 1/3 of the Game i shoot yes most of the Times they run 20-30meter but then they drop, in rare instances the get 50-80m and my dog is happy to get some Work to do as well but this also happend to me with Leadcore Bonded like Nosler Partition or Norma Oryx

  • @REDNECKROOTS
    @REDNECKROOTS Месяц назад +5

    Mono bullets are not the future. The terminal accent style projectile is the future. Bonded front half. Solid shank. That's the future

    • @dalebenson6859
      @dalebenson6859 Месяц назад +3

      You can stay with what you like but since 1978 I have been a one profession of guiding hunters in Alaska and the Pacific NW.
      The Barns TSX - TTSX - LRX has proven to me and clients to be the number one killer of big game hands down no other bullets kill as fast and as sure as the Barns bullets.
      I am sure you have very little experiences with shooting game from deer or larger animals to know the differences how bullets kill.

    • @Benroe-yz1nz
      @Benroe-yz1nz Месяц назад +1

      In a world without legal restrictions that might be true. But the govt wants lead out of bullets. In a regulated future monos are the future. Having said that, I love a nosler bonded with a solid rear shank for SD loads

    • @jaydunbar7538
      @jaydunbar7538 Месяц назад +4

      It doesn’t matter if you like them or not, they absolutely are part of the future. I run everything from old hard cast lead to solid coppers, it all works great if used appropriately. I do agree the terminal ascent is a fabulous projectile.

    • @REDNECKROOTS
      @REDNECKROOTS Месяц назад +1

      @@dalebenson6859 I just seen too many horror shows w monolithic projectiles. They just don't open up for crap at longer then 300 yard shots. Long distance has become the rage and I can't get behind a bullet / rifle combo that if used past 300 it will likely spell a wounded animal and or a long chase. I get that they work most the time for most people. Especially at close range. I'm a close range guy because I respect the animals too much to risk a long shot. Most guys today are taking longer n longer shots and with monos it really drops the chance for a fast kill. Lead just opens up much easier. Even bonded lead

    • @REDNECKROOTS
      @REDNECKROOTS Месяц назад +1

      @@jaydunbar7538 they will def be available. But it's not the future. Like I said and I stand by it. The federal terminal accent style projectile with a bonded lead front half and a solid rear shank. That is what I see a lot of companies offering in the future after the patient expires. Offers the best of both worlds in one. We gonna see 🙈🙉 eventually 😉

  • @cwness4587
    @cwness4587 Месяц назад

    You kept talking about the bullets and as you can see. All you could see was there was some type bullet but nothing you were talking about. What a waste of time.

  • @donnysanner342
    @donnysanner342 Месяц назад +4

    I appreciate all types of hunting and every hunter , however , if you keep ur hunting under 350-400 yards your velocity based bullets should not matter much. I don't care where you hunt...if u have to shoot past 600 yards...u ain't huntin....your shooting for bragging rights. And why are we shooting animals from the ass forwards ?

    • @jaydunbar7538
      @jaydunbar7538 Месяц назад +2

      While I won’t take that shot, it’s a matter of filling the tag or not. You don’t always get a perfect shot and it’s best to be ready to take any shot you may need to take. The best shot you get on a expensive hunt you traveled across the world for may be ass first, so it’s up to you if you want to take the shot you got or go home empty handed.

    • @rogerramjet7567
      @rogerramjet7567 Месяц назад

      Absolutely right on !! 👍👍😀

    • @donnysanner342
      @donnysanner342 Месяц назад

      @jaydunbar7538 I don't disagree with you brother however there is a lot that could go wrong before that bullet hits the boiler room....I would feel horrible crippling a exotic animal ...cheers

    • @brett9382
      @brett9382 Месяц назад

      Depends on the caliber and barrel length. A lot of 308 with 18-20in barrels start reach some monolithic bullets minimum effective speed around 300 yards. While I personally never take a shot past 300 yards the minimum effective speed expansion is far less than ideal speeds. For deer this isn't really a concern but with elk and moose it starts to be another variable that you must take into account.