Why are most target Bullets, hollow points

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[@conservativesniperhunter7439]

Very interesting Mark . Even someone like me who has been reading about all things rifles, bullets , ballistics etc for 32 years learned something new from your video. Cheers 🍻

[@markandsamafterwork]

Cheers Man, thanks

[@lavigeriemathieu1294]

I really try to do my homework as a general rule, yet even so I am amazed at how much in-depth knowledge I keep gaining from watching this channel, every time. Thank you for posting such excellent content.

[@markandsamafterwork]

Thanks Lavigerie

[@hunting4sanity365]

That's also why golf balls have the dimples to create little air pockets to reduce the friction and help them fly straighter, cheers as always Mark you are a wealth of knowledge 🍻👍👍

[@markandsamafterwork]

Thanks Man, Cheers

[@TROOPERfarcry]

I've wondered why OTM (Open-Tip Match) was a thing. Now I have an answer. Thanks!

[@markandsamafterwork]

Cheers

[@roberts2803]

Your videos are some of the most informative and accurate on the internet, every second watching your vids is time well spent.

[@markandsamafterwork]

cheers Rob, thanks

[@jimsiggy]

I have been shooting guns for 40+ years, I've been a competitive rifle and pistol shooter, I am a military trained Explosive Ordnance Disposal Technician, and I didn't figure there was much left for me to learn about bullets, but I did today because I never knew this stuff about HP target bullets. Thanks!

[@markandsamafterwork]

Thanks You Jim, glad you liked man, Cheers

[@dalebogard3717]

I really enjoy your explanations, using logic with physics is very rare today! Thank You

[@markandsamafterwork]

Cheers Dale, thanks

[@edcjadon9002]

Hey Mark, as much as I enjoy watching you slap steel at extreme ranges; videos like these are a pure joy. I really enjoy the statistics and knowledge part around this sport we love. And your delivery of information, is always well done.

[@markandsamafterwork]

Thanks Jadon, Cheers

[@tobyjo57]

As a novice but seriouse shooter of only 4 years and loading my own rounds for acuracy I found that HPBT Tips of high quality were superior. I didn't know why until now so you just explained a whole lot of stuff to me and I'm wondering how you gained such valubale knowledge. Thanks for the education you give us your superb.

[@markandsamafterwork]

Thanks Toby, Cheers

[@joshuagibson2520]

Appreciate the time you spent to edit in diagrams, photos, etc. It makes the videos all that much better and informative.

[@markandsamafterwork]

Thanks Josh

[@Allen338LM]

awesome information and out in a way everyone can make sense of it thanks guys

[@markandsamafterwork]

Than Allen, Cheers

[@paststeve1]

Great video Mark! Probably the best explanation I have ever heard as to why the boat tail hollow-point is such a consistent round. For taking whitetail out to 400yds, I have found the 150gr Sierra boat tail hollow-point gives me the best combination of accuracy, consistency and terminal performace in my .270 Win. Thanks for another interesting presentation Mate! Cheers to you and Sam!

[@markandsamafterwork]

Thank you Steve, glad you liked mate, Cheers and all the best.

[@sterlingwilkey2124]

Dr. Mark. That was a absolutely amazing explanation I've always wanted to know why now I know

[@markandsamafterwork]

Lol, thanks sterling, Cheers

[@craigmandall9420]

My workmate and i were having this exact conversation today while trying to troubleshoot my 1000 yard dramas

[@markandsamafterwork]

Cheers

[@rappmasterdugg6825]

Excellent as always, thank you for teaching us!

[@markandsamafterwork]

Cheers Dugg

[@gtroxlar8597]

Thanks Mark, in this one video you answered so many questions about precision tatget projectiles. Great video.

[@markandsamafterwork]

Cheers

[@davidmeeks2405]

Things that I didn't know that I needed to know. Not a long range shooter but really interesting information that that when practiced can only help one improve.

[@markandsamafterwork]

Thanks Dave

[@googleeyeseyes4033]

Real fine work and a phenomenal cover of a subject that has eluded many I shoot with and too many think military rounds are the end game and now you’ve given me a video to share and educate, thank you professor Mark and a good day to Mrs Sam.

[@markandsamafterwork]

Thanks Man, Cheers

[@fisherus]

Mark, I want to thank you for teaching me something new today. I am guilty of honing the tips of my ELR hollow-point bullets down to a consistent roundness, always weighing each round to make sure that their weight was always equal to each other. I had no idea that the speed of the rotation would do it better for me. I was probably causing some erratic flights of my bullets. Never too old of dog to learn a new trick. Thanks for the great information.

[@markandsamafterwork]

Thanks Craig, and if what you do improves things, keep doing it, but yes all about consistency in the end, Cheers

[@davidhandyman7571]

Extremely interesting and informative yet again. Thanks Mark.

[@markandsamafterwork]

Cheers Dave

[@williamfender661]

You definitely answered a lot of questions as to why. Thanks for the explanation.

[@markandsamafterwork]

Cheers Will

[@willdelange1503]

Brilliant information. Thank you.

[@markandsamafterwork]

Thanks

[@samuelcottril525]

Thanks for answering questions I've always wanted to know. Almost every teaching video I have is a questions I've asked myself.

[@markandsamafterwork]

Awesome, Cheers

[@cameronmocke7744]

Excellent, clear and concise explanation.

[@markandsamafterwork]

Thanks Cameron

[@Goldenbawls76]

Love your channel man, have learned alot over the past few months from you!

[@markandsamafterwork]

Cheers Joe

[@C_oprator89]

Once in a a while you come across a video that is so informative and so well done it makes shooting so much better with new found knowledge. Great video sir

[@markandsamafterwork]

thanks Oxen, Cheers

[@tobiasmeyer2434]

Very interesting! I always wondered why. Thank you Mark.

[@markandsamafterwork]

Cheers Tobias

[@MichealJACKSON-ly6cd]

As a technician of 32 years and hand loader for over a decade I didn't know that technical tidbit thanks

[@markandsamafterwork]

Cheers Mike

[@colinreid7305]

Very informative and well presented video that has helped to fill in very large caps in my knowledge around bullets.

[@markandsamafterwork]

cheers Colin

[@mikegiordano9445]

Great information. Thank you

[@markandsamafterwork]

cheers

[@hughobrien4139]

I feel fortunate to be able to get a chance to listen to Mark and Sam. Great information.

[@markandsamafterwork]

thanks Hugh, all the best.

[@randlerichardson5826]

Great video I learned a couple things thanks Mark and Sam y’all be safe and GOD BLESS

[@markandsamafterwork]

Awesome, thanks Randle, Cheers

[@collinmckamy8076]

always excellent info. thank you for all your hard work

[@markandsamafterwork]

Cheers

[@walterluiz4694]

Very good class. Thanks. Cheers my friends.

[@markandsamafterwork]

Cheers Walter

[@judodavid1]

Thank you for the knowledge

[@markandsamafterwork]

Cheers

[@ericwilliams2317]

A perfect explanation. Cheers Mark!

[@markandsamafterwork]

Thanks Eric

[@geoffkeeler5106]

Echoing a previous comment, I have studied firearms and ballistics since the '60s, yet I still learn plenty from these videos. As with so many things, quite a bit of the time things are glaringly obvious, but only after they have been pointed out. Thanks again Mark!

[@markandsamafterwork]

Thanks Geoff

[@qingyuhu]

Amazing information and explanation as usual! You are the best!

[@markandsamafterwork]

Thanks Qingyu

[@markoverton5858]

Very well explained the cross grain hatching used in engines to hold oil for improving friction loss linked with the bubble at the leading edge of a rough form bullet tip is brilliant thinking and showing your understanding of ballistics worth listening to, 👍👏👏👏👏👏

[@markandsamafterwork]

Thanks Mark, Cheers

[@joe74ta1]

Good info Mark thanks

[@markandsamafterwork]

Cheers Joe

[@nickfranklin1867]

Again very interesting Mark, the way you explain it makes perfect sense, up until now I always thought a hollow point bullet would be less accurate due to more turbulence, you learn something new every day!

[@markandsamafterwork]

Thanks Nick, Cheers

[@MichaelBoyns]

Very informative. Thanks for making this.

[@markandsamafterwork]

Thanks Mike

[@kentuckywindage222]

Top notch knowledge for all shooters on this channel. #1 Shooting Channel. Keep'em coming!

[@markandsamafterwork]

Thanks Man, Cheers

[@scottnj2503]

I just learned of bullet tipping and pointing. Questioning claims made of improving accuracy. Your explanation of the aerodynamics of hollow point target bullets fits with my knowlege of supersonic shock wave formation. Thanks you validated my hunch and saved a gadget nerd a bunch of money and time at the reloading bench.

[@markandsamafterwork]

Cheers Man

[@paulharding1621]

Excellent and informative as always.

[@markandsamafterwork]

Cheers Paul

[@cliffcollins2497]

Thank you for the information. Take care!

[@markandsamafterwork]

Cheers

[@westtexas3041]

Thank you Mark. Your videos are very informative. I love the channel.

[@markandsamafterwork]

Cheers

[@louisdelaporte2637]

Thanks. That was highly illuminating.

[@markandsamafterwork]

Thanks Louis

[@mrmayhemstewart5138]

Excellent information I had no idea of any of that thanks cheers Yogi 🤙🤙

[@markandsamafterwork]

Thanks Yogi

[@FreeWrldMerchant]

Thank you so much! Very informative and very helpful.

[@markandsamafterwork]

Cheers Man, thanks

[@wizardny]

I have been shooting for many years and found this video very informative. Thanks

[@markandsamafterwork]

awesome, Cheers

[@PlinkingJohn]

What a amazing video and explanation. Thanks Mark!

[@markandsamafterwork]

Thanks John

[@brianp9503]

Very informative ! Thank you .

[@markandsamafterwork]

Thanks Brian

[@lounaticlouie]

Always great information. Thank you.

[@markandsamafterwork]

cheers

[@jeanmorin3247]

This is SO interesting. What a good teacher. I just subscribed and glad of it...! Thank you!

[@markandsamafterwork]

Thanks Jean, Awesome

[@mostrogolf22]

Outstanding presentation, I totally get the gist of ballistics.

[@markandsamafterwork]

Awesome, Cheers

[@rustyinoregon2769]

I've always wondered that ... thanks for providing such a great answer.

[@markandsamafterwork]

Cheers Rusty, thanks

[@duggydo]

Makes a lot of sense Mark. I hadn’t thought about all these little details. 👍🏻

[@markandsamafterwork]

Thanks duggy

[@kencurtis508]

Great video, thanks for sharing.

[@markandsamafterwork]

Thanks Ken

[@garycraig4277]

That’s an awesome explanation I never new this

[@markandsamafterwork]

Cheers Gary

[@FindersKeepers88]

Good explanation, thx

[@markandsamafterwork]

Cheers

[@snyd3rcg]

Mark, That is the best explanation that I have ever heard!

[@markandsamafterwork]

Thanks Man

[@stevenanderson236]

I enjoyed the talk. Thank you

[@markandsamafterwork]

Cheers Steve

[@Dfour]

Very good and interesting video. Learned something today.

[@markandsamafterwork]

Thanks Man, Cheers

[@willo7734]

Really great explanation of the “bubble effect”. i’ve heard about it before but your presentation is the best one I’ve seen about how the rough circular surface and the bubble together make a more stable aerodynamic surface than if we tried to craft the bullet into a point. I wish i had a super slow mo camera so i could see this in action. it’s interesting too how you mentioned that the point can be a trade-off between BC and accuracy.

[@markandsamafterwork]

Cheers Will

[@robertdancho9671]

Very good presentation.

[@markandsamafterwork]

Cheers Rob, thanks

[@kubikariYOU]

Thanks for the good information!

[@markandsamafterwork]

cheers

[@timotoxic4664]

great work, thanks!

[@markandsamafterwork]

Cheers

[@matthewbrady7606]

Good and easy to udertand explanation mate..spot on.👍

[@markandsamafterwork]

Cheers Matt

[@burnieking1401]

Makes sense, thanks for trying to explain it.

[@markandsamafterwork]

Cheers

[@markanthonystringfellow3923]

Learned a Ton in this vid :-)) Thanks Mark!!!

[@markandsamafterwork]

Cheers Mark

[@Kraals]

Some of my rifles are fond of SMKs. I've often wondered about the little hole in the tip and now I know. Well done Mate.

[@markandsamafterwork]

Thanks Man

[@TheArby13]

I found out through my own experience that HP/BT bullets are more accurate. Now I know and understand WHY. Thank you.

[@markandsamafterwork]

Cheers man

[@tca375]

Great video!

[@markandsamafterwork]

Cheers

[@chrisgabbert658]

👍😊🎯 thanks for the knowledge.

[@markandsamafterwork]

Thanks Chris

[@Dalesarty]

Great video, your information is spot on 👍👍

[@markandsamafterwork]

Thanks Dale

[@fwod1867]

A nice one again. Now i know exactly why my target bullets have a flat or boatail back and an open hollow point 👍👏

[@markandsamafterwork]

Yep, Cheers

[@caryharbater262]

Great explanation, I like many have wondered about hpbt for ELD target ammo

[@markandsamafterwork]

Thanks Cary

[@concernedaussie1330]

Awesome thanks.

[@markandsamafterwork]

cheers Man

[@beestoe993]

I swage my own bullets and I learned something here. Good stuff! The real beauty of the flat based hollow point is that it is probably the easiest bullet there is to make. Easier than a soft point. So that makes them a win-win for shooters who want excellent accuracy and a lot of it at an affordable price.

[@markandsamafterwork]

Thanks Bees, Cheers

[@jwilsonhandmadeknives2760]

fantastic presentation!

[@markandsamafterwork]

cheers

[@robcullen9984]

Thanks Mark Awesome info, more stuff i had no idea about Cheers Rob

[@markandsamafterwork]

Thanks Rob

[@JohnRoberts71]

Great content thanks for sharing

[@markandsamafterwork]

Thanks John

[@kellyheath6293]

Having watched your videos,if you say that’s how it works, I believe it !

[@markandsamafterwork]

Cheers

[@hotchihuahua1546]

Now this clears up my previous question on a recent video of yours . My bad for not having visited all of your past videos as I would have had my answer . This “year old “ video popped up on my KZbin this AM and explains that previous question . Lol

[@markandsamafterwork]

Awesome, thanks Man, Cheers

[@wes1spence]

Thank you for the knowledge111 now I’m thinking about my Honady eld 123 grain with the ballistic tip

[@markandsamafterwork]

Cheers Wes

[@CHenry1951]

Thanks for sharing...................

[@markandsamafterwork]

Cheers

[@richardpowell1664]

I agree with everything you've said, very good job of describing it. I've also been told that the hollow point also moves the weight of the bullet more to the rear & less in the nose & that this is beneficial for accuracy?

[@markandsamafterwork]

Cheers

[@chrismarshall4486]

Well that was really interesting. I had no idea any of that. I should have because I shoot bthp at long distance but I sure didn’t. Great video

[@markandsamafterwork]

Thank you Chris

[@John-uo1qf]

Very interesting. Would love to learn more about internal ballistics too

[@markandsamafterwork]

We have videos on several of those in barrel topics, Cheers

[@johncox2865]

I have been shooting for 67 years and I have to tell you something. You have just confused the hell out of me🤣

[@markandsamafterwork]

Lol, sorry, cheers

[@chaserhodes7363]

Awesome.

[@markandsamafterwork]

Cheers

[@MrYour1Fan]

Cool, nice to know

[@markandsamafterwork]

Cheers

[@Jerry-Parker]

That's what an old Soldier told me a long time ago . 👍

[@markandsamafterwork]

Awesome, Cheers

[@Tbowie13]

Jesus Mark...and I've sought after ballistic tips thinking I was doing something. The more I watch you, the more I gotta rethink things. And I'm still working on testing the sub vs. super rimfire...lol. Anyhow cheers buddy!

[@markandsamafterwork]

Thanks Man, Cheers

[@timrea9003]

Thanks mate for the insight would love to see you in person one Day It's a long drive from Brisbane 😎

[@markandsamafterwork]

Cheers Tim, thanks

[@sautoter411]

Mark i liked ur sign language at the end!! Lol

[@markandsamafterwork]

Lol, Cheers

[@jcarne1015]

Thanks Mark. Good info as usual. I found an old web page that advertised a tool for hollow pointing military ball ammo. I got the impression the company was bought by Hornady. Can’t find a source for the tools anywhere.

[@markandsamafterwork]

Yes, that would have been about terminal ballistics, hunting, expansion, etc, but yes a few options there, Cheers

[@uMalice]

This is a great explanation. Do you recommend meplat uniforming or a precision long range bullet like the Alco bullet for ultimate long range performance?

[@markandsamafterwork]

Not something we general do, Cheers

[@charlesirby9222]

The high pressure air bubble! Never realized that! Often wondered why they left it so ugly looking? All this time I thought the HP was to shift the center of gravity back in relation to the center of pressure...😎"thanks"👍148

[@markandsamafterwork]

Lots of details involved, glad you liked, Thanks Charles