7 PRCW Build Part 2: EC Tuner V2 Machining/Install
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- เผยแพร่เมื่อ 14 ต.ค. 2023
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*Note: For the O-Ring to work properly you should not go below the 0.935" on the EC Tuner V2 tenon print. It is suggested that you cut a separate thread narrow relief on the right-hand side of the threads (slightly smaller than minor diameter) if needed instead.
I recently kicked off my 7 PRCW build. Today, I’m going through all the steps to machine and install an EC Tuner V2!
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The following Ultimate Reloader partners are featured in this video:
- Bat Machine
- WOOX Chassis
- Cortina Precision
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*Note: For the O-Ring to work properly you should not go below the 0.935" on the EC Tuner V2 tenon print. It is suggested that you cut a separate thread narrow relief on the right-hand side of the threads (slightly smaller than minor diameter) if needed instead.
I've been a machinist, gunsmith, reloader and shooter for 35+ years. No matter how many times i watch or do it myself, i still enjoy watching someone who knows what they're doing behind a lathe. Keep up the machining, shooting and loading videos. Your channel is one of my favorites.
Thank you so much, your feedback is very meaningful to me given your experience in this field!
Kudos! Another expert review of a master refined in his craft. This comprehensive overview was superlative and as always you are an extraordinary tradesman. We all truly value your attention to detail and the precision technique and technological expertise you represent as a leader and mentor to your valued community. Thank you Gavin!
Nobody is born a natural machinist, so unless you’ve helped develop other machinists - your 35+ years of machining experience is just a disappointment.
I've been waiting for a video like this for years showing more lathe work in real time, not voice over clips. I wish you'd do more like this and show a complete chambering job in real time no matter how long the video is. Zoom in on the tool bit some too.
Show real time everything! Great video!
Good job Gavin! Very clean install. 💪
Thanks Erik!
Man, I really appreciate your videos and expertise. I wish I wasn't an old fart, I would have become a machinist! It is so cool to see you in action. Thanks again for your content ‼️🤙😎
Absolutely Great stuff, love the actual footage for machining, Thanks from a newbie F class shooter in Ft. McMurray Alberta, Cheers!
Love what you do. At first I was wondering why you were verbalizing every step, but I get it. I can only make one recommendation: Not to wear a wristwatch when that left hand is in such close proximity to that chuck spinning at those speeds. Better safe than sorry. I know my pop never wore a watch or any rings or snything that could pull him into a cutter or spinning workpiece EVER. He was a top flight machinist, one of the elite guys. Security clearance, models made for wind tunnel experiments; finishes called out in light bars. Rifle safety and machinery safety were just part of his DNA. No joke.
Love the in depth video. There aren't many barrel machining videos here on youtube, and as usual your production efforts make it even better. Thanks for all the work you and your team put into these videos.
I appreciate the support and feedback, I’m having a lot of fun with these!
Yeah man! This is the way to do the machining videos. Never really liked the other way, always seemed like you left out the best part - the machining. Thank you for the videos.
Thanks 👍
I love the long form machining videos. More educational and less advertising gee-wiz.
I’m loving the long form more detailed content about the machining process. Great stuff!
Great vid and a good duration. No gunsmithing tech uni here in Australia which is a shame.
Gavin I really enjoyed this video. Keep this content coming. It is fantastic to watch the chips fly and see the polished result.
Thanks! Will do!
I have 2 EC tuners and 1EC Tuner Brake. Love them. Great video. My dad was a machinist. Died while I was too young to learn. I enjoy watching machining videos. Thx
Thank you very much for the feedback and for watching!
Why the tuner but no brake? Is that an f class rule?
Great video not from my doing my own work but for me understanding the processes and investment my gunsmith has to make to do my job. It also helps me ask intelligent questions. 😂😂😂
You have inspired me to buy a lathe and try my hand at gun smithing
Awesome, it’s a journey worth taking!
Fantastic video and real time machining. I liked how you overcame the extra cut to thread relief. Great content Gavin ,so nice to see you you guys all collaborate with products. Thanks again for sharing
Thanks for this format Gavin ... nicely done ...
Liked this format, always nice to see the process.
Liked it that you showed more of the machining.
Gavin you do very good work. It’s been years since I did any turning, funny how you miss those things when the day is gone.
Thank you, I hope you can get behind a lathe sometime soon! It’s so much fun.
Cant wait to see the load work up on this bad boy!!!!!!!!!!!!!!!!!!!
Excellent video, nice clean work with lots of detail.
That’s a neat clean tuner!
Love the longer form content! Keep it up Brother!
Love how you use that torque wrench for adjusting the barrel in the chuck. In reference to what? Lol.
The TBAS system calls for 35 ft-lb - it’s actually important so that things don’t move and so that you don’t over torque the components.
One of your best videos, sir
Looks nice! Let us see the testing on that rifle and tuner combo when you get to it. This will be an interesting little series.
Great machining job nice and precise I like it👍
Very detailed and interesting. 😊
Beautiful 🤘🏼
Loved this, TY !!!
Very good video and thank you. Would be great if can do tutorial on your DRO that would be awesome. Thank you Gavin.
Nice video very informative thank's 😊
Very entertaining!
I enjoyed it
Looks good
Yesss. I want this to be like Clickspring but for guns
Really good
Thanks!
👏👏👏
What do you think about using interference threads to avoid using set screws? The spring helps but I imagine it would still move slightly during shooting.
Enjoyed this form, need the camera a little closer on the cutter, but just fascinating for a non-gunsmith to see what goes into it.
Thank you for the feedback, we agree, next time we will have a tighter camera shot of the spinning work and cutter.
Very nice job. I'm wondering what sort of repeatability (TIR) you get on your six jaw chuck?
With this system, you can dial in both radially and axially- so you can get runout down to about 0.0001” or less depending on patience level.
Hey great video I built a flushing system, question what do you use as a lubricant/coolant in the system? What pressure range?🙂
why did you do a reverse when you faced off? was it to keep a bur from building up on the inside?
I enjoyed your video. I love running a lathe. Please add a handle to you file....
where can one get a pre-fit 7PRCW barrel and dies?
Is the barrel supported in the rear
Would you cut a rimx prefit?
Ive had one for a yr now and found that group size does change, but not actually repeatable from day to day. Got that 1/4" group at 100 yds? Keep everything the same and try again next week. Bet you it isnt still that small. Does it affect groups? Yes, but all the other variables in the equation keep changing so youll need to tweak the setting constantly.
Probably works best with premium ammo in a premium barrel if you want any sort of repeatability.
Was this project finished? I can't find any further videos on this build.
Man, you should start a machining school
I sorry, can you please explain what a barrel Tuner is?
Why Sharpie instead of Dykem?
What does the tuner do? How does it change groups on target. Is it magic?
It directly influences barrel harmonics, which yes, does directly influence groups on paper! I have some videos covering this.
@@Ultimatereloader which ones and do they go in depth, I'm actually curious of the physics, is it like when I put my break on my rifle and it just dampens vibration or is it more on the timing side of things, similar to seating depth changes affecting when the bullet leaves the barrel, making opertune timing to leave when the barrel is in the straightest position of the ossolasion.
what’s the difference between a 7PRCW and a 7PRC?
What does the (w) stand for in prcw?
Wheeler
Oh great, another build most of us could never afford and even if we could, we don’t have the connections to get the ‘one off’ action built. Yeah, this is soooo exciting! 🙄 I wonder how much money he has invested in the tools to do builds like this. I’m sure that all is even further out of my range.
Hey gavin what happened to the rest of this build? No videos?
instagram.com/p/C21Dvj2LDCb/?igsh=ejUweWYwdzhwZmdq
No muzzle brake on this rifle?
Not allowed in F-Class!
@@Ultimatereloader ok🙏🏻
Gavin, what's your rationale for choosing this cartridge over the SAAMI 7 PRC?
Pure speculation, but I believe it is because the 7 PRCW(6.5PRC necked up) is able to be used in short actions, where the regular 7 PRC is long action. Hopefully he will chime in for a more accurate answer.
What's your estimate of the minimum costs of machinery and tools needed to build a rifle, not talking about setting up a business, just enough to be self sufficient?
Depends if you want to include a lathe or not. With a lathe $10-15k for a used lathe and tooling. Gavin’s TL1660 retails for $17k(not including true bore or other tooling). No lathe, probably $1k depending on what exactly you want to do and what tools you already have.
I think that’s pretty good estimate!
You call the spring an improvement
Great content but PLEASE remove your watch and ring before working on a lathe or mill. I have been a machinist and tool and die maker for 30+ years and was taught right from the beginning to not wear anything on your wrist or hands. Just trying to help keep you safe.
what is 7prcw
6.5 PRC necked up to 7mm
Do 6 jaws center and grip better than 4 jaws? I know that 3 jaws are for quick and dirty projects and shouldn't be used for something important, and collets are for only the snobbiest of machinists
How much is your whole build gonna cost you.
All jewelry should be removed (including watches) before operating any machinery, especially lathes! Good video work & nice lathe & shop. Only criticism, your lighting was too bright to read the needle on your indicator. Cheers! FREE
Be careful about putting your mic on the top of your machine. It can heat up and cause your reading to be off. My dad was a precision machinist and he also found that dykem was to thick and he used a sharpie for his precision grinding.