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PortaJohn

Fig
theLBC said:
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Unfortunately I think she is right. People trapped in the welfare system for generations aren't educated, don't have any skills, and don't have the work ethic (ethics in general) to survive on their own even in the freest and most prosperous nation on the planet, and that has been entirely by design starting with "The Great Society". Forcing them to become productive citizens cold turkey by taking away all their free stuff is only going to work for the ones who can adapt. Many or even most won't. We've been feeding a tiger so it doesn't eat us.

Most democrats in big liberal cities will tell you in private that all the welfare programs are to buy off poor black people so they don't try to take their stuff and rob/hurt them. The idea is to just give enough so they never get desperate. Desperation will only make some of them work. The rest will take the easiest way out of stealing.

Not saying I have a great idea to "fix" this, but the reality may not be like you think it do.
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Ever wanted superpowers? Because this is how you get superpowers!

supercorndogs
hlee said:
I read today that over 1 million barrels of crude seeps into the gulf annually. Not from drilling operations, but from natural processes.

And, read much less recently, the oil from the Deepwater Horizon spill dissipated much more quickly than any one thought possible, due in large part to naturally occurring bacteria (specific to the Gulf of Mexico) that consumed it.

That’s a lot of oil dumping into the gulf for a long time, in order to evolve an organism that thrives in crude.
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Humic acid fertilizer additives are just about one step away from crude oil. Plenty of natural process that use the "oil" that seeps out of the ground. That we have been falsey led to beleive is some sort of major contaminate. That we are responsible for and must clean up.

The oil from that spill didn't disapte faster than anyone thought. Lots of people were calling bullshit on their claims of how long the Contamination would last. That was another mild situation the government goatfycked into an ordeal. And people were calling bullshit for the exact reasons mentioned. The extra oil would cause a bloom of diffrent things that use it and diffrent things that eat those things. Almost like someone designed the system to work that way. 🤯🤯🤯
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Gunsmithing What are you guys using now days to clean and lube?

MrOneEyedBoh
Maurygold said:
Really can’t go wrong with Boretech.

That said I would be much more concerned with rod and pieces of metal you’re shoving down the barrel. The cleaning agents are all pretty good and all will clean. What really matters is you don’t fuck up your barrel with shitty rods and jags - this is really where I strongly recommend Boretech.
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Totally agree. I have bore guides and dewey rods/jags. Maybe some Tipton jags as well. Brushes are all copper.
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Something kicking off in Israel

Fig
It's already mostly destroyed. The people are already mostly displaced. What they're going to do is find all the tunnels and end Hamas to a man. Good riddance. The Pali Tangos have no one to blame but Hamas and themselves for supporting them.

You can't kill an ideology or a religion, but you can kill every last person who holds it as true. If it's "ethnic cleansing" then Hamas must be an ethnicity.
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“Glowie is now following you “

Fig
"Following" people is probably a generational thing. I, like you, think it's fucking weird. The kids think nothing of it. They also have all the notifications turned on on their phones. That would drive me bat shit crazy. The ONLY notification I have turned on is Ring. Fucking wierd to get a notification when someone you "follow" types something.
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Which is the best AR-10 without barrel deflection: the Geissele MRGG or the Seekins SP10M?

Bigjake83
sirhrmechanic said:
I read this earlier on phone, but waited until I had keyboard to respond...

The whole POI shift thing seems strange to me. The barrel, chamber, etc. are attached to the upper with a good solid nut. The potential for the barrel to 'move' in its socket when properly locked down by the barrel nut seems to be pretty minimal, defects or improper assembly notwithstanding.

The handguard is also anchored to the upper but is much less robust than the barrel both in anchor and because it is a pretty thin-walled tube and not as tightly anchored to the upper as the barrel. The bipod is anchored to the handguard, not the barrel. So I can see the handguard having the potential to deflect or change POI between tripod, bag and bipod.

But these methods of supporting the handguard should not change the internal ballistics of the barrel. The pressure on handguard or bipod should not 'deflect' the front of the upper casting enough to move the barrel.

That said, I can certainly see that a scope that is anchored to a long rail and has its front mounts on the handguard could 'shift.' But this is not an internal ballistics change (as could be caused by a wood stock, for example, making contact with a barrel and swelling/shrinking, thus physically moving the barrel in relation to its chamber.

However, if the scope is not solely anchored to the upper, or the rail on the handguard extends back over the frame... etc. then I can certainly see a potantial for a POI change caused by the scope moving in relation to the barrel.

Maybe I am missing something. And I only have one AR-10 custom built around an LWRC upper and lower. I used cammed pins to really lock upper and lower together... but it makes takedown a whole different matter vs. just pushing pins out. That said, while it shoots well (about 1MOA at 100) I've not noticed POI shifts with bipod vs rest (not used tripod). But I don't shoot that gun like I shoot my bolt guns. I built it as an exercise and used the best of what was available c. 2010. When it shot 'ok' but nowhere near my TRG and other bolt guns, it got relegated to fun plinker, but not a full-up precision rifle.

I'd be interested in a deeper dive into POI shifts on AR-10's. But I am having a hard time wrapping my head around how the pressure exerted on a handguard can affect the barrel... only, possibly, the relationship between the barrel internal ballistics and the scope reticle. And to me, that's a scope-mounting issue, not a ballistics issue.

Interesting thread... I'll be following. Heck maybe I can learn something to get my AR-10 to shoot incrementally-better!

Cheers,

Sirhr
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The short and simple answer is Leverage, just the same as using a pry bar.

Yes the barrel is secured into the upper with the barrel nut that holds the barrel extension secured and torqued to the face of the upper receiver threads so now the Barrel Nut and Upper Receiver are ONE.

Now you attach the handguard (PRYBAR) to the outer surface area of the barrel nut and upper, the end of the Handguard where we all attach our mounting attachments for bipod and various other attachments is now the handle of the prybar and now any load/torque applied is now highly amplified by leverage and transferred straight back to the barrel nut and your upper.

Obviously other factors such as handguard length and upper receiver design all come in to effect and can strengthen and reduce the POI shift effect when torque is transferred.

A good example of two Conventional Style Upper Receiver and handguard mounting designs that are easy to conduct a simple side by side POI shift comparison are the Geissele Upper handguard Combo with thier Mil Spec Forged Uppers and the SOLGW Broadsword.

They both attached directly to the Barrel nut but the SOLGW design has a thick walled Upper with tongue and groove style inserts at each corner of the handguard that are press fit firmly into their Milled slots of the upper receiver along with a thick barrel nut which I believe is also longer.

With the SOLGW design the torque that is transferred is equally divided between the barrel nut and the Upper Upper
Receiver where with with the Geissele it's all transferred straight to the barrel nut.

True Free Floating Designs and semi monolithic upper receivers do a fantastic job reducing or removing any and all POI Shift no matter how much load is applied to the end of the handguard.

If this doesn't help you understand then I would suggest you try conducting your own field POI Shift test (Constructivist learning theory )and see for yourself, theoretical speculation will only get you so far no matter how sound your reasoning may seem.
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