BCA vs Group Monster Barrel - Continued

[Hollis]

Thanks for all the help! Looks like I have some studying to do, but I do believe I can really get into this. Let me go through and decipher!

It's great to hear from folks with experience who want to help. I know different people have multiple opinions about everything, but I like to hear them all and then dive in and start learning and doing and come up with my own opinions.

[sbowhuntr]

I will say once you get into reloading it's very addictive and can cost $1000s in accessories that you just must have, my better half has been good with putting up with my addiction.

[Hollis]

I will say once you get into reloading it's very addictive and can cost $1000s in accessories that you just must have, my better half has been good with putting up with my addiction.

Yes, I'm worried about that. It seems the more I learn about firearms, the list of things "I must have" keeps getting bigger. I remember when I was quite satisfied with a $30 Tasco scope on my Remington 770 shooting sub FOOT MOA at 100 yards with ammo I had no clue about except that it was safe to shoot in my .243 rifle. In some ways, those were the good old days. But I do really enjoy this hobby and don't plan on quitting any time soon.

BTW, that Remington 770 is my most accurate rifle shooting excellent groups and it still has a Tasco scope - well, the scope is made by the same folks that make the Tasco, SWFA (yes, the 10X SWFA Super Sniper). I only did a trigger job (polished trigger), free floated and epoxy bedded (that made all the difference!). I have been able to hit 3" group at 350+ yards on several occasions (with the right conditions) with factory ammo. I love that rifle.

[guitarhillbilly]

I will say once you get into reloading it's very addictive and can cost $1000s in accessories that you just must have, my better half has been good with putting up with my addiction.

Just Remember: " Reloading Saves You Money."

I spent $1500 before I could blink twice. I got into reloading when the shelves were EMPTY of ammo for months about 6-7 years ago.That pushed me to make the investment. I'm glad that I did.

[pkw6five]

You don't have to go all the way down the reloading rabbit hole. I used one of these
to measure ammo for my old bolt .308. Just shooting rounds that measure the same
overall length cut my group size by 30%.
They are only 20 bucks.

[guitarhillbilly]

Looks like a good tool for folks not interested in reloading. OAL is one of many factors in gaining accuracy from the ammo.

[rabiddawg]

Looks like a good tool for folks not interested in reloading. OAL is one of many factors in gaining accuracy from the ammo.

Not? Is that a typo?

[guitarhillbilly]

Not? Is that a typo?

Nope.

The above tooling is generic for SAAMI Specs and not specific for each individual rifle chambers which have variations.



This tooling allows major changes to OAL by measuring actual distance of a particular bullet ogive to the contact point of the actual specific rifling lands. Then it can be backed off in .001 increments until the best free bore accuracy is found for a particular rifle.
Then one has the best OAL for their particular rifle.



https://www.hornady.com/reloading/precis...parator#!/


https://www.youtube.com/watch?v=3kL0HIgqqjU

[A5BLASTER]

Nope.

The above tooling is generic for SAAMI Specs and not specific for each individual rifle chambers which have variations.



This tooling allows major changes to OAL by measuring actual distance of a particular bullet ogive to the contact point of the actual specific rifling lands. Then it can be backed off in .001 increments until the best free bore accuracy is found for a particular rifle.
Then one has the best OAL for their particular rifle.



https://www.hornady.com/reloading/precis...parator#!/


https://www.youtube.com/watch?v=3kL0HIgqqjU

I would buy the hornady tools to do the same job before I gave that dude any money.

[guitarhillbilly]

I could see the $20.00 Sinclair tool would allow a non-reloader to measure factory AMMO to the bullet Ogive. Measuring off the bullet tip is not a very accurate method.
Take 3 boxes of your favorite factory Ammo and measure each round and cull them into same size groupings for shooting. Might get 35-40 rounds from 3 - 20 round boxes that measured within a .002" OAL of each other.
This would give better accuracy than just shooting everything in the box without regard to OAL measured at the ogive.

[rabiddawg]

Nope.

The above tooling is generic for SAAMI Specs and not specific for each individual rifle chambers which have variations.



This tooling allows major changes to OAL by measuring actual distance of a particular bullet ogive to the contact point of the actual specific rifling lands. Then it can be backed off in .001 increments until the best free bore accuracy is found for a particular rifle.
Then one has the best OAL for their particular rifle.



https://www.hornady.com/reloading/precis...parator#!/


https://www.youtube.com/watch?v=3kL0HIgqqjU

Ok. I thought you were going to advocate measuring from the tip.

I own the Hornady comparator.

[guitarhillbilly]

Ok. I thought you were going to advocate measuring from the tip.

I own the Hornady comparator.

If I was going to support measuring from the tip I would have not posted the Hornady Comparator Links.

I used the term "bullet OGIVE" in the posting you quoted. [#28] That is NOT measuring from the tip.

[rabiddawg]

Ok, I’m a dumbass. You happy now?

[A5BLASTER]

I could see the $20.00 Sinclair tool would allow a non-reloader to measure factory AMMO to the bullet Ogive. Measuring off the bullet tip is not a very accurate method.
Take 3 boxes of your favorite factory Ammo and measure each round and cull them into same size groupings for shooting. Might get 35-40 rounds from 3 - 20 round boxes that measured within a .002" OAL of each other.
This would give better accuracy than just shooting everything in the box without regard to OAL measured at the ogive.

Ok I'm going to say it.

Why on goods green earth would someone who doesn't reload/handload buy this tool to measure the cartridge length to ojive?

If they don't reload/handload they don't have the tools are knowledge to do anything about where a factory load is compared to the lands in their chamber.
I'm sorry but your reasoning for suggesting that ptg tool makes zero sense.

[guitarhillbilly]

Ok I'm going to say it.

Why on goods green earth would someone who doesn't reload/handload buy this tool to measure the cartridge length to ojive?

If they don't reload/handload they don't have the tools are knowledge to do anything about where a factory load is compared to the lands in their chamber.
I'm sorry but your reasoning for suggesting that ptg tool makes zero sense.

Your understanding makes zero sense. I used the word CULLING to explain using the $20 tool with Factory Ammo. Shooting Factory Ammo with the Same OAL will be more accurate than shooting ammo that varies as much as .007" OAL difference out of the same ammo box. That alone improves accuracy and this statement applied to the Sinclair $20.00 Tool posting and not the Hornady Tooling Links that I posted. The shooter doesn't need to do anything but measure the OAL with the 20.00 Tool and group the same OAL measured ammo. The 20.00 tool gives the more accurate Ogive measurements than measuring off the tip of the bullet even if all one is doing is culling the same OAL factory ammo. I made it clear that the HORNADY Tooling allowed the measurement of the freebore and never stated that about the 20.00 Sinclair Tooling.
If I have to I will spell out everything with a 2 page posting.

Accuracy is all about Consistency and that includes OAL measurements.

[A5BLASTER]

Your understanding makes zero sense. I used the word CULLING to explain using the $20 tool with Factory Ammo. Shooting Factory Ammo with the Same OAL will be more accurate than shooting ammo that varies as much as .007" OAL difference out of the same ammo box. That alone improves accuracy and this statement applied to the Sinclair $20.00 Tool posting and not the Hornady Tooling Links that I posted. The shooter doesn't need to do anything but measure the OAL with the 20.00 Tool and group the same OAL measured ammo. The 20.00 tool gives the more accurate Ogive measurements than measuring off the tip of the bullet even if all one is doing is culling the same OAL factory ammo. I made it clear that the HORNADY Tooling allowed the measurement of the freebore and never stated that about the 20.00 Sinclair Tooling.
If I have to I will spell out everything with a 2 page posting.

Accuracy is all about Consistency and that includes OAL measurements.

Dude please, really please.

There is ZERO let me say that again for you, there is ZERO reason to suggest a tool for someone to cull factory ammo.

And basicly it makes ZERO sense for someone who doesn't reload/handload to buy this tool and do this ZERO.

Now if someone reloads/handloads then yea the hornady set of tools is what you want so you can measure contact lengths to lands and set your jump.

But suggesting that ptg tool like you did. Saying someone should use it too cull factory ammo is dumb. Sure they can measure the length of the loaded factory round to the ojive. But guess what they won't know where it's jump to the lands is with out the other tools needed.

And if they don't have the other tools needed and don't reload/handload they can't do a thing to change how the factory ammo jumps to the lands.

So let me say it again. Unless someone has all the tools to measure not only the cartridge base to ojive length and the amount of jump that has in their chamber and unless they reload/handload. Buying that tool makes ZERO sense.

But hey I could be wrong sense I only load for 6.5 grendel and haven't yet become a Master loader yet.

[guitarhillbilly]

pkw6five :
" Just shooting rounds that measure the same
overall length cut my group size by 30%.
They are only 20 bucks."

I understand exactly what you are saying with this posting although it appears some other folks on this thread are missing your main point.

[guitarhillbilly]

Dude please, really please.

Saying someone should use it too cull factory ammo is dumb.

Shooting factory ammo from the same box with OAL's that vary as much as .015 " is also DUMB.

[A5BLASTER]

Shooting factory ammo from the same box with OAL's that vary as much as .015 " is also DUMB.

Oh brother lmao.

[pkw6five]

Just a few thousandths difference in OAL is the difference between 1 ragged hole to having two holes on your target.