7mm-264LBC

[Deleted]

I see BHW has several interesting wildcats and a nice rifling option so for most of the AR projects might not be needing to call lothar walter that are pricey as everyone knows.
It seems to me that the .264LBC like the grendel are screaming for a change in clothing. They got the 6mm covered that to me is one of the best (if not the best) bullet departments out there.
Now the next logical step is to neck up that baby to 7mm.

Some nice options...

www.hornady.com/store/7mm-.284-120-gr-V-MAX/
www.speer-bullets.com/ballistics/detail.aspx?id=43
www.nosler.com/Bullets/Ballistic-Tip.aspx ...7mm 120gr Ballistic tip. Look at those numbers!!!!

QL says it can be done and when you get into the big boys w/o getting in the huge sections. There is nothing any .308 bullet can do better in the AR15 other than suppressed work. (Excluding all exotic single stack cases)

These are the proposed numbers...

7mm-264LBC - TNT 110gr bullet. - 100yds zero.
Range Velocity Energy Impact
0 2850 1984 -0.5
100 2571 1615 0
200 2316 1310 -4.79
300 2076 1053 -16.12
400 1851 837 -35.58
500 1644 660 -65.25
600 1458 519 -107.84
700 1298 412 -166.81
800 1169 334 -246.4
900 1075 282 -351.24
1000 1006 247 -485.85

7mm-264LBC - Nosler BT 120gr bullet. - 100yds zero.
Range Velocity Energy Impact
0 2600 1801 -0.5
100 2387 1518 0
200 2190 1278 -5.64
300 2001 1067 -18.58
400 1823 886 -40.24
500 1657 732 -72.41
600 1504 603 -117.28
700 1367 498 -177.52
800 1250 416 -256.32
900 1153 354 -357.24
1000 1079 310 -484.06


I think it could give the grendel and 6.8 a run for the money for a deer/black bear AR rifle. I don't care too much about the 1000yards shooting with an AR15 but care a lot about what type of mail can be delivered within the 300 yards range.

Maybe the BHW team might want to help us out.
I know already will end up with 3 or 4 barrels myself alone this w/o counting the herds of guys at the range and hunting club that are always watching what I do and will come after for the data and the results.

How many are up for this raise your hand?

Cheers.
E.

ps: by the way the 6.8 is also screaming for a change in clothing.

[Deleted]

The 7mmX264 cartridge was looked at originally. All though it would be a good wildcat, there were several reasons we decided against it. This is not saying it can't or would not be done, just trying to get the highest return on tooling investment.

There is an improved 30 cal in the works. We are waiting on dies. They should be in by the end of Oct.

[Deleted]

Extra money is not an issue on my side.
I would be nice to know the reasons against this if there are other reasons than the business ones, those I can understand.
I am going to order a reamer and custom made dies anyway so I am willing to pay extra to get this going. I think the polygonal style is perfect for this one.

Thanks.

[GLSHOOTER]

Sept 27, 2011 16:00:56 GMT -8 @sergiomartinez said:

Extra money is not an issue on my side.
I would be nice to know the reasons against this if there are other reasons than the business ones, those I can understand.
I am going to order a reamer and custom made dies anyway so I am willing to pay extra to get this going. I think the polygonal style is perfect for this one.

Thanks.

One thing is certain in our sport. If we have the $$'s to throw at it we can get what we want.

I love the 25 WSSM I have and feel it carries the mail well enough for what I want. I guess I'll stick with it as I can easily get 200+ FPS and still use my basic dies.

That being said I want a 20 Practical to play with and that little 17/223 would be one heck of a starling round.

Greg

[The Wolverine]

Sept 27, 2011 16:00:56 GMT -8 @sergiomartinez said:

Extra money is not an issue on my side.
I would be nice to know the reasons against this if there are other reasons than the business ones, those I can understand.
I am going to order a reamer and custom made dies anyway so I am willing to pay extra to get this going. I think the polygonal style is perfect for this one.

Thanks.

There is nothing wrong with a 7 LBC, but there is just nothing it can do that the 30, 6.5,or the 6 LBC can not do, believe me, I have run the numbers.

That being said, I understand emotional attachment to different calibers. I love the 6.5, that is why Doc and I did the 6.5 PCC. Some folks love the 1/4 bore, and wonder why BHW has not done a 25 LBC. I have a buddy that wants me to do a 6.8 LBC with him, but I am not a big .277 fan, but that is just me.

If you are a 7mm fan, get with Carl, order the reamers, and Go-No-Go gauges from PTG, Dave will hook you up, have them sent to BHW, and Carl will make the barrel for you.

I do not have a BHW barrel that does not shoot 1/2 MOA or better, when I do my part, and you will love how easy the P3 barrels are to clean.

Paul

[Deleted]

You are right some folks are attached to calibers but this is not my case. I am attached to something but this is good bullets in any caliber. What makes a good bullet is not just BC and SD but this is something to take into account.
There are very few extra things this will bring to the table. I agree with you for all intended purposes with this system you will not kill anything more dead than many other calibers but if you look at the charts you will see that this presents a nice 'alternative' in the 300+ yards. Specially where others loose momentum (including the 308 whisperers of the world) where the gains in the short range are quickly shadowed by the poor BCs.
The best assortments are in the .223, 6mm, 6.5, 7mm and 30cal departments. Even in the low grain / entry level of every department you have great choices for almos anything. .223 for hunting stops quickly and that is where 6mm starts with endless options.
In any case we are not just looking for and buying uppers and calibers but experiences.

[Deleted]

Sept 27, 2011 18:23:07 GMT -8 @sergiomartinez said:

You are right some folks are attached to calibers but this is not my case. I am attached to something but this is good bullets in any caliber. What makes a good bullet is not just BC and SD but this is something to take into account.
There are very few extra things this will bring to the table. I agree with you for all intended purposes with this system you will not kill anything more dead than many other calibers but if you look at the charts you will see that this presents a nice 'alternative' in the 300+ yards. Specially where others loose momentum (including the 308 whisperers of the world) where the gains in the short range are quickly shadowed by the poor BCs.
The best assortments are in the .223, 6mm, 6.5, 7mm and 30cal departments. Even in the low grain / entry level of every department you have great choices for almos anything. .223 for hunting stops quickly and that is where 6mm starts with endless options.
In any case we are not just looking for and buying uppers and calibers but experiences.

I think you just contradicted your self. One minute you say SD and BC are not everything. Then you turn around and say how the 300 Whisper suffers from bullets with a poor BC.

In any case we are not just looking for and buying uppers and calibers but experiences. I am buying them to hunt with and win matches with. If I want to knock a 20 pound plate down at 100 yards I will shoot the new 30 cal we have coming out. If I want to hit a 12 inch steel plate at 1000 yards I will shoot a 243 LBC If I am going to hunt deer and a 500 yard shoot might be needed you will have a hard time out doing the 6.5 LBC. The last two having a very high BC and high SD

[Deleted]

I want to try other alternatives as I gain experiences with it I then know more about their capabilities and applicability. Of course I want them for hunting and hunting well they will.
I have no grudge against the whisperes or anyone, they all are great. I am sorry it came out like that but after certain range this is not what I am looking for. That's all.
I am sorry if I offended anyone. Any caliber and case has is advantages and disadvantages obviously.

[GLSHOOTER]

Sept 27, 2011 19:12:53 GMT -8 @rjohnson said:

Sept 27, 2011 18:23:07 GMT -8 @sergiomartinez said:

You are right some folks are attached to calibers but this is not my case. I am attached to something but this is good bullets in any caliber. What makes a good bullet is not just BC and SD but this is something to take into account.
There are very few extra things this will bring to the table. I agree with you for all intended purposes with this system you will not kill anything more dead than many other calibers but if you look at the charts you will see that this presents a nice 'alternative' in the 300+ yards. Specially where others loose momentum (including the 308 whisperers of the world) where the gains in the short range are quickly shadowed by the poor BCs.
The best assortments are in the .223, 6mm, 6.5, 7mm and 30cal departments. Even in the low grain / entry level of every department you have great choices for almos anything. .223 for hunting stops quickly and that is where 6mm starts with endless options.
In any case we are not just looking for and buying uppers and calibers but experiences.

I think you just contradicted your self. One minute you say SD and BC are not everything. Then you turn around and say how the 300 Whisper suffers from bullets with a poor BC.

In any case we are not just looking for and buying uppers and calibers but experiences. I am buying them to hunt with and win matches with. If I want to knock a 20 pound plate down at 100 yards I will shoot the new 30 cal we have coming out. If I want to hit a 12 inch steel plate at 1000 yards I will shoot a 243 LBC If I am going to hunt deer and a 500 yard shoot might be needed you will have a hard time out doing the 6.5 LBC. The last two having a very high BC and high SD

This is an interesting stance. My interests have been in the match winning and PD killing area for a longtime. It's almost impossible to be drawn for big game her in AZ and I don't have the$$'s to go out of state.

My first AR was a home built lower with an OLY Ultra Match top end. I won a bunch of IPSC rifle matches with it way before 3 Gun ever breathed a breath.

We got in to shooting heavy, 30 pound plus, plates at 200 meters and the 223/56 was not getting it done with authority. The 308's were too slow shot to shot so I did my due diligence and settled on the 6X45/ I found a mongrel barrel in a pawn shop in Eastern Oklahoma and drove like a mad man and picked it up. It is still my mainline IPSC 3 Gun rifle as it will shoot well enough for IPSC targets and plates as far as I have ever been presented with. We built my wife a 17" Shilen barreled 6X45 and she has campaigned it for years and I have also won a bit of Gold with it.

I got off into the 6 PPC and 20 Tactical because they were different and let me shoot faster bullets in one and made a great live game gun if I ever go for coyotes. Along came a 25 WSSM with the prayer that it will get a chance at antelope or some such.

The BHW world opened up to me and I got in to the 20 LBC development. I am having a blast with this one and it has my mental juices flowing. A challenge that is not easy to do with my jaded experience!! I am looking forward to my next project while I continue this one.

I agree with Ritch that you suit the cartridge to the task. There are no rules in shooting sports other than you shoot to win or to take game cleanly. All platforms/bullets have their limit. With a talented shooter and a superb rifle wondrous things can be done.

Greg

[Deleted]

Until I don't get to it I cannot tell how good it will be at this or at that. At the moment I am enjoying the experience of building another cat for the AR. Only the results then will say what it can do.
At the moment is looking good on paper. I scored some good ones in the past but made some mistakes too and learned from them like everybody else.
My only concern right now is bolt thrust. Some cases can do more than the bolts sometimes can take.
Some folks in texas have developed an new barrel extension with a "superbolt"(whatever that means) but I have no experience with those.

[Deleted]

I have been looking at the numbers and the issue could well be too much bolt thrust for what I want to do. I found some folks down south at AR15performance that make a stronger bolt and barrel extension or so they say.
Any experience anyone with the beefed up bolts?
Thanks.

[Deleted]

Volverine you and the others got me thinking here.

So to stay true to my mid-bore wishes and desires I don't need anything to be huge double stack but I don't want to jump into the WSSMs.

So have anyone tried the BR necked up to 7mm or 6.5? I am not looking for the next great AR case or the world record but I want to achieve a 6.5 120gr bullet over 2700fps w/o a huge long pole in front. COAL looks reasonable. Bolts and reamers are available.
Any thoughts?

I like the 6.5 a lot too. I shoot 6.5x47 too and my idea is to build a 260 improved later this winter or in the spring and I think the BHW AR-10 type barrels would work great for that too.

Cheers.