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6 ARC Gas Guns

AR Comp and H4895 with 80s in 6 ARC are a match made in heaven. Stupid accurate and consistent. All I run in mine


So it's a Valkyrie in 6mm?

Every time a new caliber comes out for something with a max OAL of 2.260 - 2.300 it only goes fast with 80s. It's almost like we need an intermediate AR frame with a new set of .224 - .308 variants.
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Well, now I’m realizing I’m even older than when I realized I was old.

I’ve commented in the past that I knew I’d gotten old in 2002 when I spent more on 2 tickets to see The Eagles in Knoxville than I did on all the tickets and weed I bought in the summer of ‘76 (and that included Skynyrd, CDB, Marshall Tucker, Outlaws, Frampton, Gary Wright and a few others). For reference, tickets I the 70s were $6-$14 in the Savannah Civic Center(and weed was $20 an Oz)

I’ve made my teenage sons real fans of the music of the 70s-90s, games of “Name the Artist and Song” are a regular part of out driving, and they are good at it, and both are Rush fans.

I learned this past week that Rush is touring in ‘26 with Anika Nilles on drums. They’d love going to see Rush, even w/o NP, so I went to the 26 tour website to look into tickets in Toronto (closest to us, and really it is Rush, Toronto would be the right place)

HOLY CRAP! Nosebleed seats are $465ea, the floor is $2k+. Who pays that for a concert? At least with Rush they can reliably be expected to be actually singing and not using a backing track, but come on. Us poors aren’t gonna get to that show.

Barrel Torque Ludicrocity

But the chingadera in the receiver of the AWMC is floating in the receiver. All it is doing is pushing and self centering into apposing vees.
Think about this another way. You screw the barrel into the receiver until it shoulders. The flanks I described above are loaded slightly(hand torque). Tightening the quickloc screw shrinks the pitch diameter, and loads those flanks even more, creating a tensile load.

Vudoo bolt disassembly videos gone

EXCELLENT work, @David Lott . Many thanks.

I would point out to the community that it is imperative that the nose piece, with the firing pin protruding through it, must be allowed to rotate freely when starting to unscrew the firing pin assembly (starting at 0:25 point in the video). The video shows this but doesn't comment on it much. Not understanding this caused me to trash my rifle's firing pin years ago. Here's how it happened.

My rifle had one of the early conical breech configurations which, I am told, caused gradual deformation of the nose piece. Over time, the nose piece began binding on the bolt body to the point that, when I unscrewed the pin assembly from the bolt body, the firing pin bent. It was at that point I discovered that the nose piece rotated on the bolt body only with a ridiculous amount of torque. "Old Vudoo" sent me a shipping label and squared everything away quickly.

It was because of that experience that I wanted a good, clear refresher on gen-1 bolt disassembly. This video is GREAT for that.
You are correct, that one spun freely so I didn't think about mentioning it. Good catch. I'll try to edit and add that.
On edit, I will redo it and cover that part as well also cover how to fix it, pretty easy once you are torn down that far.
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Giant ammo plant in TN blew up!

Lost several friends. I thought a tree fell on my house when it went off. 16 dead. I’m 9-10 miles away. Been a tough time for local folks.
I feel for your community. Something like this hits extra hard in smaller communities where most people know each other. Prayers for the deceased. May they rest in peace.

Vudoo bolt disassembly videos gone

EXCELLENT work, @David Lott . Many thanks.

I would point out to the community that it is imperative that the nose piece, with the firing pin protruding through it, must be allowed to rotate freely when starting to unscrew the firing pin assembly (starting at 0:25 point in the video). The video shows this but doesn't comment on it much. Not understanding this caused me to trash my rifle's firing pin years ago. Here's how it happened.

My rifle had one of the early conical breech configurations which, I am told, caused gradual deformation of the nose piece. Over time, the nose piece began binding on the bolt body to the point that, when I unscrewed the pin assembly from the bolt body, the firing pin bent. It was at that point I discovered that the nose piece rotated on the bolt body only with a ridiculous amount of torque. "Old Vudoo" sent me a shipping label and squared everything away quickly.

It was because of that experience that I wanted a good, clear refresher on gen-1 bolt disassembly. This video is GREAT for that.
  • Like
Reactions: David Lott

Barrel Torque Ludicrocity

Fun story.

I used to run about 30-35ft/lbs barrel torque, in the range where you could use your feet to hold the butt stock and a clamp on barrel vise to pop the barrel off without putting it into a fixture. Never had any issues with accuracy or otherwise.

One day I adjusted my muzzle brake with a crescent wrench, loosened and tightened it a couple times to get it lined up correctly. Then later that week I shot a one-day PRS club match. I won the club match, cleaning the last stage, tossed my rifle in the bag and drove home.

When I got home to clean the gun I looked and the muzzle brake was crooked. I thought... Well darn, I tightened that. How did it come loose? I reach to grab the muzzle brake and it turns out the brake was tight but the whole darn barrel was loose.

Now I run about 75 fl/lb. :)
I had a similar experience with a barrel that was just snapped in place. Trying to take the suppressor off with the customer who "knows how to install it just fine" the barrel spun off the action and I had a suppressed barrel in my hands. :ROFLMAO: