How To And Tips For Milling An AR Lower From An 80%




What do you think about this video?

usmcdoc14: I am replying so I can delete your post. TAS Firearms, If you wish to get exposure off my work then you can send me some of your products to build and evaluate. There is no free lunch, only my free instructional videos

Argelio Del llano: What's the law on this 

Kyle Hobson: Hi im 14 and really want an ar 15 im one of those "zombie prepper" types and want one for my survival kit and also for hunting as I know that the ar 15 is a very reliable and comfortable gun for me I want to know if you have any idea if it would be legal for me to manufacture and own one please reply it will be very helpful btw I will be 15 before I can get ough money to buy the parts

megadeth22885: a drill press with a 2-axis milling vise for a drill press is realistically all you need to do this, $100 for a cheap drill press and another $60 for the vise.. plus the proper endmill bit

Cameron Henrichs: Could you mill mine for me ? 

luise cobian: Seriously if you don't wanna put the effort in milling one don't buy a 80 percent lower buy a 100 percent,making one for someone else is illegal,I made my own I bought the tools and made it,and don't bitch abot the cost I was a farm laborer working for minim wage and I could afford all the equipment 

Alex Fernandez: Is the lower still good if I overcut like say a tenth of an inch or a hundreth of an inch?

rdsii64: Been watching your videos. Love your work. I have two DPMS pattern .308 80 pecent lowers in my safe. I am about to pull the trigger on a solid collum HiTorque mini mill. Once I save for a three axis DRO and the tooling, I'm all in. Hell I might even try to make a video of my progess. If I take it that far I will be sure to credit you as a source. Semper Fi Brother

Jordan Baumgardner: Thank you, for helping truly protect this land and it people.

Y Pop: I had to unwrap a man's hand from a drill press because he was wearing gloves! I never ware gloves when machining! 

nunya biness: For those who have a better mill, use a 7/16 cutter. The radii in the FCG pocket are supposed to be .218. I run a 4 flute 7/16 with a 1.3" cut depth at 1,000 RPM for most of the process (I do the main pocket in two steps), then kick it up to 2,500 for final pass, climb milling ~.010" material. Personally, I like to cut 7075 al dry; easier chip clearing, and won't hurt cutters at all if your speed and feeds are right. Having said all this, if you're using a bench top, as he mentioned, they simply won't hold the tolerances, and the lower pocket that is supposed to be .438" (7/16) at the selector lever will grow on you. I spent a long time with the little Seig/HFT mill; it'll get the job done, but you have to take light cuts and constantly check your dimensions. Tighting the gibs will help with chatter, but makes those little cranks very tight, which *will* cause carpel tunnel over time.

Sean Talley: You sir are my freaking hero I really cant express it enough. They can take my guns from my cold dead hands. 

Gabe Hartman: DOC are you a green shoe or brown shoe, my brother is a retired Navy surgeon, who was assigned to a Marine unit. Oh and thank you for this info, I love it.

snteevveetns: Do you have a video going over how to complete a "0%?" (Just the forging?) thanks for the great video.

David Daniel Wouters: is this legal? You're essentially making your own firearms (or at least one step up to that)

reado33: OK OK OK OK OK

thomas lowe: Hey i got a question for you, im about to start on my first Ar build, im using the jig from 80% the easy jig, and the only things i need are the drill stop collar and the router, (and of course the complete upper receiver) and i was wondering what size and type of router bit would you suggest to use on finishing up my lower, i have the general idea of how to do it, just need some specifics now on the router bit to use

AZ DieselTech: No gloves! Everyone wants to wear gloves. Glad that you're not, and you made a point of stating the obvious for the beginners. You snag a finger you can pull it away. You snag a glove and it pulls you in, you have ground beef. Great video. Learned some things, and knowledge is the most important thing we can arm ourselves with. 

MasterK9Trainer: I appreciate you putting yourself "out there" and it's one thing to read books or plans, but it's invaluable to see someone actually do the work to demonstrate what it takes, what is required and how hard or easy it is to do a project. I have two brothers and we were born in Quantico, Camp Lejune and Cherry Point, so I support marines. 

Casey Hosier: way to freaking long. shorten it bro

Stresscat1: I did not see the VZ-58 build on your sight. Could you do a VZ-58 build using the Hellbox Armory 80% receiver?

reado33: can someone please tell me how many times this guy says OK is it more or less than 761 times?????

Johnny Maggiore: I didn't even know what a drill press was until I watched this video. I have watched this video several times before, I really want to start building my lower soon. I am very excited and this video will really help. The only part I was confused on was the drilling depth I need, and the bits I will need. That's all, thanks.

Mike Hurn: Great video, and even greater message. BANS ARE BAD. Thanks for spreading the message brother. Molon Labe. 

Anthony Seneck: +usmcdoc14 Have been wondering what state do you live in? If you don't want to answer that I understand as well.

xmodfreak2011: That calipers advice is golden. Was using some random manual calipers (like ruler status, not even a dial), totally read it wrong like an idiot, and punched thru the floor of my lower. Epic. Fail.

Steven Ford: Great skills, nice work, I'm a fan. O.k. Now that it it milled what about the finish? Do you prefer to powder coat or anodize and die? I'll keep watching your stuff. Love your abilities and your attitude.

UncleDeluxe: Nice video, thanks! On a side note- damn, there are some douchey blowhards on your comments page for your free video, that you spent the time making, which they have absolutely no obligation to watch if they don't want to.

Anthony Seneck: I Agree with everything you have said in this video

Christopher Delich: Ok? Ok?

YungBossk: Quick question. I see your 80% doesnt have a trigger guard. But on the website you give billet80 all the 80% they have come with non removable trigger guard. Did yu buy lower from different website? Just need to know bcus I need 1 without trigger guard for the grip I am using

Phu Ly: Thx for the guide, very much appreciated for taking your time in making this video.

kpw528: +usmcdoc14 Just curious, I saw you say somewhere in a comment that you were from Virginia. What part of VA do you live in? I also live in VA and it'd be awesome if you were in driving distance, so maybe I could come over and you could teach me about milling an 80% lower. I'm really interested in building my own AR, and the concept of 80% lowers is awesome to me because I'm a hands-on type guy and love building/working on things. Semper Fi and thank you for your service, and for the awesome informative videos!

Sir David Haddon: ooh rah, Second Amendment, and Free Speech ! Thank You for the schooling.

sosocrazy1234: hes right, the founders were smart and they were students of historical warfare and they damn well knew the evolution of battle and battlefield tactics and weapons over time. they intentionally used the word "arms" in the second amendment because it is used to refer to all forms of modern weapons, otherwise they would have said "muskets." people who say "arms" refers to and is limited to a musket needs to be kicked in the head, because they are stupid. plain and simple...

Robert Russo: please make a video on how to do the tramming on this mill thanks

Natedoc808: "smacking your crap against your other stuff" = priceless!!! great video and very good instruction for those trying to tackle this out of the box. Love the levity and straightforward approach. Molon Labe!!!

David Daniel Wouters: I'm watching this from within the netherlands.. not sure if that legal either...

go fucyourself: yeah.... I'm pretty freaking serious about this crap! lol. i approve of this video doc! keep on keeping on

Paul Thorla: I like this guy. He's on point.

armstrong2052: Liked subscribed :)

Vince Anders: As a machinist I'm glad you said to tram your mill. If you are curious the equation in use for rpm is (cut speed of material x 3.82) / diameter of cutting tool. But great vid

John Smith: OK...perhaps this is a stupid question....but...You can purchase stripped lowers for less than a hundred bucks...what is the advantage of doing all this work other than making a potential unregistered weapon...?

Bobby Blunts: He said a full auto AR is an assault rifle. Turr turr turr!!

canid song: For inexperienced machinists (in the loose sense of the word), table stops, set very carefully, could make this even easier.

The Rodog: @ 16:51 love it

William Kennison: Doc, to hell with the kittyticians I'm taking the plunge and found an AR lower jig that takes a hand drill and router to finish the job... will give you an update when everything gets together and the job gets done. What do you know about etching line art on the magwell with cerecoat? I'll need the opinions on it. 

John Smith: swear for me

HOTSAUCE: Cool as dude here! Really like this video. And I think you did a very good job explaining for those of us that aren't machinist and won't be doing much machining other than this. 

Rating:
How to and tips for milling an AR lower from an 80% 4.8 out of 5

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How to and tips for milling an AR lower from an 80%