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PortaJohn

I'm from warshington state and I disagree. maizie hirono is the dumbest female politician in the swamp. party murray is number two..........

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Socialism is really a form of brain damage. These people can read the Constitution and understand literally nothing about it. They think everything is a right, from healthcare to home ownership to raping children. They think everyone is a citizen and entitled to the rights of a citizen. They cannot understand the concept of a border and they simply pine away worrying about the rights of criminals, rapists, drug traffickers and gang members.

What is more amazing is that they do not think a single Republican or conservative leaning person on the planet is entitled to any of these same rights and protections. They celebrated every hoax conviction of an elderly person who wandered the Capital Building on January 6th and could have cared less about the murder of that guardsman. They celebrated openly when their minions tried to kill President Trump and to this day they demand more of their followers try it again.

The more interesting idiot is the congressman from Oregon. Blaming the FBI for prosecuting illegals and deporting them. No matter how many times Kash Pattel tries to explain the FBI does not prosecute or deport anyone, he fails to grasp the concept. You can see his low IQ on full display. He has absolutely no idea how any works or why it works, he just knows orange man Bad.

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Ridgeline Defense RD-15 LPR

Jp's handguards are the worst part about their rifles...super fugly but that new semi mono upper they have now is probably more solid then anything else out. Id like to see a POI test done on one of those. The gas block clearance tho is excellent.

Ive already done one with the SCI-20, it's in the POI Thread.
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223 at 300 and 500

I'll try the 80.5 with N540, it's what I got...

Going to use the balance beam for these also.

My throat was set up with an extra .020" freebore over the standard Wylde chamber, so with the 75g ELDM I'm at the lands at 2.510" Still fits and cycles just fine in the poly MDT mags. I shoot them at .025" off though at 2.485" as that's where they shot the best with seating depth test.

I can't go much higher on the load. 25.5g N540 is about absolute max in this rifle at 3075fps. There maybe a node at 25.3g around 3040-3050fps from initial testing, but that's to close to the ragged edge for me, especially in summer when it gets 90-100.
Try anywhere from 24.5 - 25.0 N540 with the Berger 80.5 10-20 off the lands.
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Low Recoil AR Load

Accurate 2015/BR is an excellent powder for 50-55 grain 5.56 loads, and is widely available and often cheaper than alternatives.

I've been using 24.5 grains in an AR w 55g blitzking for over 30 years with tiny groups.

Nice Ill have to pick some of that up and give it a try still need a couple things before I even get to loading.

Ridgeline Defense RD-15 LPR

I think the seekins triangular shaped handguards on their semi-monolithics are fugly as hell and I like to make fun of JP for making round handguard tubes in 2026. But guess what problems you never have with either of those two handguards?
Jp's handguards are the worst part about their rifles...super fugly but that new semi mono upper they have now is probably more solid then anything else out. Id like to see a POI test done on one of those. The gas block clearance tho is excellent.

PortaJohn

They say these folks are siding with Trump, but they are actually just complying. Trust me, the left is woven through education and they are simply surviving right now. Their views are still the same, and they are waiting for the opportunity to spring right back to where they were.

Ridgeline Defense RD-15 LPR

The problem there is the RD15 is specifically designed for full reliability and low mass system have notoriously been known for stoppages once the platform becomes compromised with fouling.

But yes they do make for a smooth shooting rifle and if you're not using it for rifle training classes or anything that will have prolong run times without cleaning they are quite enjoyable.
Yep designed for reliability but mine sure isn't. My PCSL match rifle with RCA Ti carrier at 4.9oz and unrivaled buffer has yet to give me the any issues Im having with the RD. I agree with a true duty rifle full mass is the way to go but still think the JP low mass would be plenty reliable even for field matches but again just my opinion and experience.

Ridgeline Defense RD-15 LPR

I tried a .750 Seekins Adjustable and a .750 Aero non-adjustable. I ended up with a BRT non-adjustable .750. I didn't shoot the Seekins, I could tell just looking at it, that it wasn't going to work. They have those nonsymmetrical banana shape at the top.

The JP lo profile ADJ would be interesting to try out. But you're also limited down at the bottom of the block as well. The traditional square bottomed blocks have a little more meat at the 6 0'clock to make room for grub screws threads.

View attachment 8682308View attachment 8682309
I have that gas block under a geissele rail which seems similar in dimension to the RD rail. It clears the geissele MK16 just fine on my 11.5 but not sure if barrel whip on a 16" would be worse enough to make contact.
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223 at 300 and 500

This is me guessing from all the threads I've read on the subject, but sounds like the 75gr ELD-Ms are kind of shit.
A great BC and can shoot well, but not very consistent and are generally more sensitive than other bullets.

My Tikka likes 75gr BTHPs and really likes 73gr ELD-Ms, but the 75s were a lot more picky.

It almost seemed like the 80gr ELD-Ms were the better bullet for consistency and less sensitivity.
That's been my opposite experience on my DTA with a 7.7tw barrel. The 75s were less picky than the 80s ELD-M.
Of course all these problems went away when I switched to the Berger 80.5, the true patrician 224 bullet.