6GT Barrel Chambering, Polishing, Laser Engraving (In-Depth)

Рет қаралды 23,322

2 жыл бұрын

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I'm building my first 6GT- and in this story we'll cover the barrel work: muzzle threading, breech-end machining, chambering, and then barrel polishing and laser engraving!
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Пікірлер: 56

@LaserEverything 2 жыл бұрын

So great to get some closure on your laser journey man! Setup looks perfect, mark looks perfect! You did a stellar job!

@Ultimatereloader 2 жыл бұрын

Thanks Alex, appreciate all the help! Lots more to do with lasers, Cerakote, ..., ..., ...

@LaserEverything 2 жыл бұрын

@@Ultimatereloader Haha I'm sure I'll be hearing from ya soon!

@conservativesniperhunter7439 2 жыл бұрын

Gavin’s rifle builds truly are precision built . If i was lucky enough to live in the USA I would have Gavin build me a precision PRS type rifle.

@BigDukeDaddy 2 жыл бұрын

Depending on the type of finish you want in the end, you would get a better result to keep the barrel in the lathe and run through the sanding steps and hand polish in the lathe with a towel and your favorite polish(mothers, etc). It is also much safer than trying to use a buffer on a cylinder shaped part. I would start with 320, 500, 800, 1200, 1500 then polish. The first 320 step will take a little longer but once it’s smooth the next grits go fast. You have a great channel, thanks for all the info you provide!

@duggydo 2 жыл бұрын

You may have not built a lot of rifles, but you are building some of the highest quality rifles I've ever seen. They look amazing and shoot as good as any. If you ever decide to build custom rifles for people, you can command top dollar for them. 👍

@CHenry1951 2 жыл бұрын

Gavin, another sweet build....................................... thanks, can't wait to see it shoot !!!

@Ultimatereloader 2 жыл бұрын

We will have a special guest at the premiere today, Alex from @lasereverything! See: kzfaq.info

@LaserEverything 2 жыл бұрын

Thanks so much, stoked to have been a part of your laser journey, everything came out great!

@airborne350g 2 жыл бұрын

My next rifle will be based on the 6GT

@RatelLaw 2 жыл бұрын

Thank you for sharing your expertise

@bradboe1901 2 жыл бұрын

I worked as a quality technician for Polaris in tube fabrication they have lasers that can cut 24 foot long tubes into pieces with slots, holes etc fairly automatically that can then be used or bent into frame parts etc but they cost about $1.5 million alone then add in the cooling systems and such, probably one of coolest places I had worked before I retired

@JSomerled Жыл бұрын

Looking forward on the development

@blueridgeboy7721 2 жыл бұрын

Been debating on a 6gt for a while. Definitely gonna tune in

@jeff9062 2 жыл бұрын

Wife has been running the 6mm Creedmoor @18lbs... Can spot own shots after around 400-500 yards, 6 mils to 890 yards using a sorted 112gr Barnes. I guess the best part is using Lapua small primer brass, @ just over 2800 fps we're getting 8-10 reloads easy out of the brass.

@kurtjensen7930 2 жыл бұрын

@@jeff9062 I’m running 115 dtacs at 3011fps. Are you backing off the load for barrel ware or accuracy node?

@jeff9062 2 жыл бұрын

@@kurtjensen7930 Yeah, I had lots of trouble trying to get that bullet to group. SD's over 80fps was the best I could get with a random flyer every 3rd or 4th rnd. Finally on the 3rd powder and pulling the bullet to .030 ish from the lands we got a good group. I know this is the bullet but we had 2 boxes of 500 and nothing else available at the time.

@kurtjensen7930 2 жыл бұрын

@@jeff9062 if it works it works!

@FullSendPrecision 2 жыл бұрын

I have two. One in a PRS style gun that I shoot for fun. One in an F-Open gun.... a match winning rifle. It's a great cartridge.

@bluesunarmory 2 ай бұрын

nice video. thanks. just got a 60w jpt

@brianmccormack84 2 жыл бұрын

Get yourself a handheld crankshaft polishing tool it's basically a motor belt sander you wear the belts down on a scrap piece of metal you can come up with a chrome-like finish I'm not the only gunsmith that does this save a lot of time and it comes out beautiful

@timothyosborne8285 2 жыл бұрын

Nice work.

@jeremiah7855 2 жыл бұрын

Prolly never get a rifle in 6gt but fun to watch

@raywhitehead730 2 жыл бұрын

Clearly, over my means, but this guy is Great!!!

@raywhitehead730 2 жыл бұрын

But I got Boots Obermyer barrels

@sethhughes2163 Жыл бұрын

Nice job! KUDO'S!

@6creeder688 2 жыл бұрын

I’m doing a Mac brothers evo 2 action and 26” benchmark in 6GT just dropped the barrel and action to my smith earlier

@shanerolfe8022 2 жыл бұрын

Man that’s just amazing, I did a lot of machining back in the day, that sort of precision was possible but not in the average shop😳 technology sure has come a long way in the 45 years that I’ve been working 👍💯. 🤗😉🐊🇦🇺

@karlweiby2307 2 жыл бұрын

I’m just here for the snacks!

@brandonrenner9597 2 жыл бұрын

When I was a machinist building semi trailer axles chatter was always my worse nightmare lol literally give you a heart attack 🤣

@danielmastrangelo3778 2 жыл бұрын

I spoke to my Smith, he's going to laser etch my 6gt barrel with 🌈 🐅 as a bit of a laugh at the memes. Looks like another great build, im guessing it's going to be an absolute laser, pardon the pun, your machine work is always 👌👌👌

@1962clarky 2 жыл бұрын

Great video Gavin. How much time does it take to get a barrel to this stage?

@perrydegouveia5403 2 жыл бұрын

Hey Gavin, awesome videos as usual. Would you do a 25 GT build. I have a hunch it is the perfect in-between cartridge between a BR and Creedmoor

@tacticalrabbit308 2 жыл бұрын

At the 7:56 mark in your video the chamber area looks like it have cracks in it .

@ericmccowen5599 2 жыл бұрын

Nice video. I’m gonna be switching to a 6GT on my next barrel. Looking forward to the next video in this series! What bullet are you going to go with? I’m looking to shoot 109 Berger’s or 109 ELDM’s when Berger’s are hard to find. Also H4350 or Varget?

@wesleyturner1979 2 жыл бұрын

That’s a good question with the 28” tube. Varget is supposed to be the ticket in 6gt.

@anthonygendron9737 2 жыл бұрын

I would try and set the frequency of the laser and change the color of the stainless steel barrel.

@zoidelux Жыл бұрын

Would you consider doing a full length unedited video of you doing the complete chamber job? Id pay for a patreon membership for complete footage like that. Just like a go pro set up above the lathe chuck, you wouldn’t even have to narrate or cater to the video… id like to see the little steps and issues that arise in a raw real format! Just my two cents

@garretthendry2773 2 жыл бұрын

hey I am no expert, however is there anyway to use a more wear resistant material like tungsten carbide or the throat of the rifle. I would think this could reduce erosion and extend barrel life. maybe cryogenic press fit the barrel into the tungsten part with an indicator to align the rifling. ???

@davemiles7118 2 жыл бұрын

If i do some research on cutting the crown there are plenty theories as to what the angle of the cut should be. At what angle to you cut your crowns

@AccuSol-ERN 2 жыл бұрын

Gavin. Why are the ends of the lead angle not straight across both the lands and grooves (can be viewed at 8:00)??? Seems to me that transition is getting some unsupported reamer cutting going on. At least it is even, so the bullet will engrave ok and it should still shoot great. Put your indicator back in there and watch it hop around in the freebore portion. Just my $.02

@Friedbrain11 Жыл бұрын

Do you rifle the barrels or what? I would like to see a rifle-the-barrel video.

@tommyj7087 2 ай бұрын

I understand the utility of the marking, but I have a friend with a laser engraver and he didn't want to get involved with marking my new barrels because of legal issues. Is there a law that the barrel has to be marked? In Gordy's chambering video, he indicated that it was a legal issue, but I was under the impression that the barrel has no requirements for marking since it is not serialized. Thanks!

@billstevens5277 2 жыл бұрын

Did you hand lap it?

@dcrank0947 2 жыл бұрын

At 7:55, the chamber finish looks really rough. What happened?

@SavageTactical 2 жыл бұрын

Why did you choose 28” in length?

@jaydunbar7538 2 жыл бұрын

Maximizes powder burn for the cartridge

@matthasaname 2 жыл бұрын

With your experience, knowledge, and resources, I would think you could be well on your way to inventing a new catridge design not previously thought of that would outperform your average F-class handloader... ever given that any thought? Imagine, rifles and boxes of ammo all over store shelves that read, "6.6mm Gavin."

@jaydunbar7538 2 жыл бұрын

Problem with going to far outside the norm is components, getting cases made is expensive but they also last so it’s not that big of a deal, the problem is the bullets if you don’t stick with one of the standardized sizes.

@georgelza 2 жыл бұрын

... why do you cut so much of the end of the barrel, why not say .25" ?

@dukedenarie5858 2 жыл бұрын

How long would you say it takes to learn how to use your lathe if you’re a moderately intelligent person with zero machining experience. Just having some time on weekends.

@Ultimatereloader 2 жыл бұрын

I would figure about 200 hours of machining to get comfortable.