Why are most target Bullets, hollow points

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Here on 4AW we try to answer/acknowledge/thank all the comments, thank you.
That said, not all are equal, Supporters (financial) and Customers get preferential treatment, go figure!
Supporters/Customers: we try to answer all questions that are applicable to videos and will even offer links to help answer questions if appropriate to the channel
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[@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

[@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

[@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

[@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

[@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

[@cheesenoodles8316]

Makes sense, I am trying to master reloading Swede 6.5 .... so many questions, this video really helps

[@markandsamafterwork]

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.

[@dalebogard3717]

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

[@markandsamafterwork]

Cheers Dale, thanks

[@craigmandall9420]

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

[@markandsamafterwork]

Cheers

[@joe74ta1]

Good info Mark thanks

[@markandsamafterwork]

Cheers Joe

[@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.

[@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

[@Allen338LM]

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

[@markandsamafterwork]

Than Allen, Cheers

[@judodavid1]

Thank you for the knowledge

[@markandsamafterwork]

Cheers

[@jeanmorin3247]

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

[@markandsamafterwork]

Thanks Jean, Awesome

[@cliffcollins2497]

Thank you for the information. Take care!

[@markandsamafterwork]

Cheers

[@mikegiordano9445]

Great information. Thank you

[@markandsamafterwork]

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

[@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

[@chrisgabbert658]

👍😊🎯 thanks for the knowledge.

[@markandsamafterwork]

Thanks Chris

[@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

[@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

[@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

[@kencurtis508]

Great video, thanks for sharing.

[@markandsamafterwork]

Thanks Ken

[@garycraig4277]

That’s an awesome explanation I never new this

[@markandsamafterwork]

Cheers Gary

[@Dfour]

Very good and interesting video. Learned something today.

[@markandsamafterwork]

Thanks Man, Cheers

[@gtroxlar8597]

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

[@markandsamafterwork]

Cheers

[@walterluiz4694]

Very good class. Thanks. Cheers my friends.

[@markandsamafterwork]

Cheers Walter

[@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

[@mrmayhemstewart5138]

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

[@markandsamafterwork]

Thanks Yogi

[@caryharbater262]

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

[@markandsamafterwork]

Thanks Cary

[@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

[@CHenry1951]

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

[@markandsamafterwork]

Cheers

[@kentuckywindage222]

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

[@markandsamafterwork]

Thanks Man, Cheers

[@Goldenbawls76]

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

[@markandsamafterwork]

Cheers Joe

[@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

[@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

[@duggydo]

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

[@markandsamafterwork]

Thanks duggy

[@PlinkingJohn]

What a amazing video and explanation. Thanks Mark!

[@markandsamafterwork]

Thanks John

[@willdelange1503]

Brilliant information. Thank you.

[@markandsamafterwork]

Thanks

[@randlerichardson5826]

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

[@markandsamafterwork]

Awesome, thanks Randle, Cheers

[@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

[@ericwilliams2317]

A perfect explanation. Cheers Mark!

[@markandsamafterwork]

Thanks Eric

[@concernedaussie1330]

Awesome thanks.

[@markandsamafterwork]

cheers Man

[@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

[@westtexas3041]

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

[@markandsamafterwork]

Cheers

[@louisdelaporte2637]

Thanks. That was highly illuminating.

[@markandsamafterwork]

Thanks Louis

[@FindersKeepers88]

Good explanation, thx

[@markandsamafterwork]

Cheers

[@Jerry-Parker]

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

[@markandsamafterwork]

Awesome, Cheers

[@FreeWrldMerchant]

Thank you so much! Very informative and very helpful.

[@markandsamafterwork]

Cheers Man, thanks

[@rustyinoregon2769]

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

[@markandsamafterwork]

Cheers Rusty, thanks

[@lounaticlouie]

Always great information. Thank you.

[@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

[@colinreid7305]

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

[@markandsamafterwork]

cheers Colin

[@MrYour1Fan]

Cool, nice to know

[@markandsamafterwork]

Cheers

[@kellyheath6293]

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

[@markandsamafterwork]

Cheers

[@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

[@rappmasterdugg6825]

Excellent as always, thank you for teaching us!

[@markandsamafterwork]

Cheers Dugg

[@stevenanderson236]

I enjoyed the talk. Thank you

[@markandsamafterwork]

Cheers Steve

[@rondonovan4293]

Gregavt explavnation THANKS

[@markandsamafterwork]

Thanks

[@matthewbrady7606]

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

[@markandsamafterwork]

Cheers Matt

[@paulharding1621]

Excellent and informative as always.

[@markandsamafterwork]

Cheers Paul

[@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

[@jwilsonhandmadeknives2760]

fantastic presentation!

[@markandsamafterwork]

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

[@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

[@kubikariYOU]

Thanks for the good information!

[@markandsamafterwork]

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

[@brianp9503]

Very informative ! Thank you .

[@markandsamafterwork]

Thanks Brian

[@robcullen9984]

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

[@markandsamafterwork]

Thanks Rob

[@Dalesarty]

Great video, your information is spot on 👍👍

[@markandsamafterwork]

Thanks Dale

[@Sanya_na_ohote]

Очень хорошо дана информация, спасибо👌🤝👍👍👍

[@markandsamafterwork]

Thanks Man, Cheers

[@JohnRoberts71]

Great content thanks for sharing

[@markandsamafterwork]

Thanks John

[@markpitre4257]

If you learn something new that day then you had a Good day. I have a good day after each video from Mark & Sam… always very interesting 🫡🫡👏👏🍻

[@markandsamafterwork]

Cheers Mark

[@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

[@tc6818]

It all makes sense, but my ELD-Match BT bullets have a plastic tip that appears to negate everything you just explained. I though it was related to the improved inertia by removing mass from the center. -- In calculus terms, the inertia of a spinning washer vs a spinning disk integrated over the length of the projectile.

[@markandsamafterwork]

Product naming is done for sales, not to determine the use of the product, also as said, tips can still work well, just not often found at actual high level comps, Cheers

[@wes1spence]

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

[@markandsamafterwork]

Cheers Wes

[@zechnarwilliams8019]

Nice theory, I have wondered why the hollow point is used in match grade bullets.

[@markandsamafterwork]

Cheers

[@lohikarhu734]

Blunt shape aerodynamics...even in cars..

[@markandsamafterwork]

Cheers

[@michaelburke6552]

Good video I hope some of these people that have learned what they think they know about gun's & ammo from youtube that don't know crap. And think hollow points were only designed for self-defense now that everyone wants to carry even if they don't know crap. That they were originally designed for speed & accuracy not self-defense.

[@markandsamafterwork]

Cheers

[@sautoter411]

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

[@markandsamafterwork]

Lol, Cheers

[@USAACbrat]

i shoot hollow point varmint bullets and get similar accuracy to more expensive match bullets.

[@markandsamafterwork]

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

[@IamONaLIST]

Can we normalize calling them Open-Tip and not Hollowpoints? I see too many people online that don't understand the difference. If it's marked as hollowpoint or they see the little hole in the tip they think they are getting hunting ammo that will expand. I wish people would differ between the two..... great information and a explanation about them though.

[@markandsamafterwork]

Cheers

[@Point71v]

This

[@scottstewart5784]

I thought they were hollow to make the given mass into a longer shape (higher BC).

[@markandsamafterwork]

Cheers

[@paststeve1]

This comment is to boost my digital buddy, Al Go-Rhythm!

[@markandsamafterwork]

Thanks Rev

[@impactodelsurenterprise2440]

Do these apply to subsonic rounds?

[@markandsamafterwork]

👍👍

[@Zapnes]

Very interesting! How does the polymer tipped bullet fit this bill? Some of them are called balistic tip. I know thats hunting ammo. But will a hollowpoint bullet have better Ballistics then a polymer tipped? Some manufacturers argue that the tip is for fast expantion. Maybe terminal balistic tip would be a better name for IT?

[@markandsamafterwork]

Well, hunting and cheaper way to build a decent high bc projectile, 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

[@DenverLoveless]

Do you "point" your projectiles?

[@markandsamafterwork]

Not normally

[@DenverLoveless]

@@markandsamafterwork I cast most of my hunting stuff & bear with me, Not ELR & rather rudimentary, I use a pencil sharpener on some of the lee mold bullets i.e. Lee C309-200R with very good results to 400 yards so far.

[@randlerichardson5826]

Hey Mark and Sam it’s been awhile my fault

[@markandsamafterwork]

Cheers Randle

[@rondonovan4293]

Sorry about the spelling , dam keyboard . I meant great

[@markandsamafterwork]

Lol, Cheers

[@johnnyb2799]

👍🏽👍🏽👍🏽

[@markandsamafterwork]

Cheers

[@kenstirling5348]

Why plastic tips for target bullets? Say the ELDM?

[@markandsamafterwork]

Hunting and ease of manufacturing

[@kenstirling5348]

@@markandsamafterwork I’m using Hornady 80965 right now which is loaded with the A-Max bullet. Seems pretty accurate. Hope I can use it on game at some point.

[@sportyv1k1ng]

Shame you weren't my physics teacher, might have taken more interest in it then...😉

[@markandsamafterwork]

Lol, cheers

[@georgelstuart]

Everything is a tradeoff

[@markandsamafterwork]

Yep, every thing

[@TROOPERfarcry]

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

[@markandsamafterwork]

Cheers

[@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

[@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

[@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