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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #1  
Old 05-24-2016, 11:16 AM
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Default **FINISHED milling my first paperweight!**

Further update (last post TL;DR: milling paperweight this weekend (will update throughout the process), upper parts +pictures)

It was silly to make a new thread for the 6.8 rifle I'm building since this is all sort of happenings at the same time. Sorry if it's confusing to follow! Without further ado,

FINALLY PARTS LIST

6.8SPC upper build :

Spartan left-side charging non-reciprocating upper: $224,
Carbon fiber hand guard (I have two others like it and it's great): $62
18" midweight ARP Triad barrel, NiB coated bolt and carrier: $402.50
midlength gas tube, steel YHM clamp on gas block, accu-wedge: 62.50
Subtotal: ~$750







Anderson lower+DROS: ~68
Spikes Tactical- less FCG at $45.
Strike Industries extended takedown pins: $12.50
3lb ultra match trigger: $100
Ambi safety: $20
A2 stock and buffer system: $60
Riflegrips.com featureless grip: $19
KNS antiwalking pins: $35

Subtotal: ~$360



Tools:
80% universal easy jig (steel bushings): $170
Bits: $45
Router: $60
Cutting Fluid: $23
Subtotal: ~$300 (though reusable)

Non-firearm related items for decorative purposes:
80% paperweight: Priceless ($52)

Total for 6.8SPC Build: ~$1110

Grand Total: ~$1462
(+- due to some shipping for other parts separate from the build)


I may buy some BUIS for this, but probably not until September.
















v---begin old post ---v

So for a while I've had an AR and a half, and I'd like to be able to more quickly go back and forth between using 7.62x39 and 5.56.







I figured it's about time I started from something more (or less) than just a stripped lower. Since I don't have a CNC, I thought a "blemished" paperweight would be more appropriate than a true block of aluminum.





*****This is going to remain a featureless build.*****







Yesterday (and this morning) I spent a while looking for the innards in order to come up with the best combination.



**Update: See attachment for parts list and links





Suggestions are greatly appreciated. Trying to keep the cost as low as possible while still following Buy Once Cry Once, and remaining featureless.







For a more detailed description of my parts choices, click here.





































And the blemish:











A small rough patch on the underside by the mag well.







updated with pictures (:
http://www.calguns.net/calgunforum/s...1&postcount=47

This is eventually going to be the lower for my 6.8 ARC rifle, but right now it's babysitting my 7.62x39
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Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....

Last edited by Exdc; 06-29-2016 at 7:59 PM..
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  #2  
Old 05-24-2016, 12:29 PM
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You didn't factor in the price of the router/jig/tooling to complete the paperweight, and possibly a second 80% in case the 1st one gets borked up. Best of luck, keep this thread updated.
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Old 05-24-2016, 1:26 PM
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what trigger are you buying that cost 100 bucks?
You can buy a LPK for 40-50 bucks. Check out http://palmettostatearmory.com/ they have a LPK /w free shipping.
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Old 05-24-2016, 1:32 PM
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Good stuff OP< welcome to the Dark side.... You will enjoy it here....

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Old 05-24-2016, 2:00 PM
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Good stuff OP< welcome to the Dark side.... You will enjoy it here....

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Until next year I suppose, when you'll need to buy a set of punches to serialize this ghost gun
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  #6  
Old 05-24-2016, 2:01 PM
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good luck keeping it...
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Old 05-24-2016, 2:09 PM
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good luck keeping it...
Ya, I've stopped buying 80% lowers for the time being, since if any of this legislation passes I'll never be able to use them. I may or may not have a few "rainy day" 80% lowers stashed away, but I'm focussing on DROS'd lowers until the outcome of this legislation is known.

PS, I second the motion to just go buy a Lower Build Kit from PSA. Your build list seems to mostly use milspec stuff, so I don't see the point in buying every little component individually. PSA has a kit on sale for $89 right now that includes everything needed to complete a stripped lower.
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Old 05-24-2016, 2:11 PM
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Originally Posted by Zartan View Post
You didn't factor in the price of the router/jig/tooling to complete the paperweight, and possibly a second 80% in case the 1st one gets borked up. Best of luck, keep this thread updated.
Or the cost of the boat for the staged accident. );
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Old 05-24-2016, 2:14 PM
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Originally Posted by sd_shooter View Post
Until next year I suppose, when you'll need to buy a set of punches to serialize this ghost gun
Just stamp some numbers on it........I have been shooting since the 70~s and never had anyone run the numbers on one of my guns while out shooting....
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Old 05-24-2016, 4:21 PM
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Wait for it...it's coming.
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  #11  
Old 05-24-2016, 4:34 PM
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Default Bought my first paperweight (:

For those who want a breakdown of my logic:

I put links into the pdf with the items and prices. The parts that are mil spec are the bolt catch, most of the springs and pins, and the math release. I am getting extended takedown pins as well as a different grip (the riflegrips.com one) aand an A2 stock. The trigger is a 3.5 lb drop in assembly. I believe it's made (or at least marketed) by Rise Armament. It had decent reviews everywhere I looked. I haven't been able to find a complete A2 stock for less than $100 in stock. Trigger, grip, and stock are what make it expensive, adding 180 to the price of the $52 paperweight. That's with $30 saved on the surplus A2 shell. Otherwise I was already at 260. So if I went milspec lpk that's 52 + ~$50, + minimum $100 (shipped) on the stock (not buying UTG/Leapers), +$20 for the grip I got, or + 50 for the MMG. That's either $52 +$170 or +$200, and that's with a stock trigger. By getting the parts individually I'm getting little upgrades that I wish I had in my current rifle, and I get a great trigger.
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Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....

Last edited by Exdc; 05-24-2016 at 7:05 PM..
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Old 05-24-2016, 4:34 PM
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I had a tragic boating accident while taking my stuff for a ride
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Old 05-24-2016, 4:38 PM
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Good stuff OP< welcome to the Dark side.... You will enjoy it here....

-Whisper....

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Old 05-24-2016, 4:52 PM
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Once you start, you will get addicted and won't stop. Like they said, welcome to the dark side op!

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Old 05-24-2016, 4:58 PM
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Once you start, you will get addicted and won't stop. Like they said, welcome to the dark side op!

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That's what I was told when I built my first one... They were right, I haven't.
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Quote:
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Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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Old 05-24-2016, 6:23 PM
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Originally Posted by Exdc View Post
That's what I was told when I built my first one... They were right, I haven't.
It's different when it's an 80. I don't know what it is with them, but don't get bit by the bug. I swear I wish I never knew about them.

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Old 05-24-2016, 6:54 PM
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I's sure you know you need some type of a mag lock like a bullet button.
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Old 05-24-2016, 7:04 PM
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Default Bought my first paperweight (:

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Originally Posted by elmontemike View Post
I's sure you know you need some type of a mag lock like a bullet button.
I mentioned the MMG and the riflegrips.com grip, but I guess you missed the part about remaining featureless. No need for magazine lock. Thanks for checking though!

(:

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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....

Last edited by Exdc; 05-24-2016 at 7:22 PM..
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  #19  
Old 05-26-2016, 9:10 AM
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Has anyone used the Rise Armament RA-140 trigger?


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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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Old 05-26-2016, 5:10 PM
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I bit the bullet and purchased this http://www.80percentarms.com/collect...ar-15-easy-jig and this http://www.80percentarms.com/collect...y-jig-tool-kit. Wallet needs some excedrin.


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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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  #21  
Old 05-26-2016, 5:26 PM
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Quote:
Originally Posted by cockedandglocked View Post
Ya, I've stopped buying 80% lowers for the time being, since if any of this legislation passes I'll never be able to use them. I may or may not have a few "rainy day" 80% lowers stashed away, but I'm focussing on DROS'd lowers until the outcome of this legislation is known.

PS, I second the motion to just go buy a Lower Build Kit from PSA. Your build list seems to mostly use milspec stuff, so I don't see the point in buying every little component individually. PSA has a kit on sale for $89 right now that includes everything needed to complete a stripped lower.
Last time I read it the legislation allows you to serialize the 80% lowers. You just won't be able to buy anymore or serialize any more after the cut off date.
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Old 05-26-2016, 5:48 PM
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Last time I read it the legislation allows you to serialize the 80% lowers. You just won't be able to buy anymore or serialize any more after the cut off date.
Yep. I just don't personally want to waste a bunch of time machining 80% lowers just to end up serializing and registering them later anyways. I do understand why others might, though.
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Old 05-27-2016, 12:21 AM
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80% project must haves:
80% Arms Easy Jig (highly recommended)
Fabrication kit
Drill press vs. Hand drill (highly recommended)
Cutting fluid
Vise

I would recommend 6061s vs. 7075s for beginners.

Good luck OP and we're here to offer advice!

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Old 05-27-2016, 2:01 AM
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Quote:
Originally Posted by spyde12 View Post
80% project must haves:
80% Arms Easy Jig (highly recommended)
Fabrication kit
Drill press vs. Hand drill (highly recommended)
Cutting fluid
Vise

I would recommend 6061s vs. 7075s for beginners.

Good luck OP and we're here to offer advice!

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Not sure which aluminum I have. I have the Easy Jig, a drill press, the bit kit (is this what you mean by the fabrication kit?), and a vice. What's a good cutting fluid? WD40? or is there a specific one? I'll see if I can figure out which aluminum I have.
Thanks! Support is appreciated.
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Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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Old 05-27-2016, 2:14 AM
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Not sure which aluminum I have. I have the Easy Jig, a drill press, the bit kit (is this what you mean by the fabrication kit?), and a vice. What's a good cutting fluid? WD40? or is there a specific one? I'll see if I can figure out which aluminum I have.
Thanks! Support is appreciated.
Awesome bro! You're basically set. Here's the cutting fluid I recommend from personal experience. It's added to my endmill's longevity and I've done a mixture of 6061s and 7075s (over a dozen).

http://www.amazon.com/10016E-EP-XTRA.../dp/B00DHMHSGM

Keep in mind when it comes to the 7075s, you should refrain from doing a full hash mark in one pass. I've split this between 1/3 to 1/2 per hash mark YMMV. When it came to 6061s, I cent comfortable doing a full hash mark per pass. This made completing the project on 1.5 hours (start to finish).

I forgot to mention, have a dryvac nearby to clear out the chips. Good luck, have fun and remain patient!

Here's two that I finished a few weeks ago:


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Last edited by spyde12; 05-27-2016 at 2:18 AM.. Reason: Added photo
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Old 05-27-2016, 2:23 AM
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Don't buy anything till you have it all cut out...
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Old 05-27-2016, 7:56 AM
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Thank you! Fluid and dry vac are great suggestions, and I will wait to buy additional parts. I'm assuming I'll know what a hash mark is when I watch the how - to video.
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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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Old 05-27-2016, 8:06 AM
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Originally Posted by Exdc View Post
Thank you! Fluid and dry vac are great suggestions, and I will wait to buy additional parts. I'm assuming I'll know what a hash mark is when I watch the how - to video.
Cool. The hash marks are the depth measurements on the templates. Definitely watch the videos on YouTube. There's also a thread here about tips and tricks.

http://www.calguns.net/calgunforum/s....php?t=1062759

http://www.calguns.net/calgunforum/s....php?t=1028748

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Last edited by spyde12; 05-27-2016 at 8:11 AM.. Reason: Added links
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Old 05-27-2016, 8:23 AM
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Originally Posted by spyde12 View Post
Here's two that I finished a few weeks ago:


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Dang those are clean, great work! I've only made one so far, and I thought it came out pretty clean, but it's nowhere near THAT clean. I need to figure out how to fix the wobble in my old 1960's drill press chuck before I attempt to make another.
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Old 05-27-2016, 8:30 AM
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^^^ got it.
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Old 05-27-2016, 12:00 PM
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Originally Posted by cockedandglocked View Post
Dang those are clean, great work! I've only made one so far, and I thought it came out pretty clean, but it's nowhere near THAT clean. I need to figure out how to fix the wobble in my old 1960's drill press chuck before I attempt to make another.
Thanks dude!

Believe it or not, the endmill is still good to go, as long as I stick to 6061. It's too dull to use on 7075s now. I've used the same one for both my 308 and AR15 jig. That's a mixture of 7075s and 6061s...over 10 lowers.

I've just recently switched to 6061s and the duration of the project is night and day. My process went from a little over 3 hours (dryvac/cleanup included) to an hour and 15 minutes.

This is why I recommend using 6061s. The passes from my own experience is a 3:1 or 2:1 hash mark ratio vs. 7075s YMMV.

Cutting fluid, technique and patience is key.

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Old 05-27-2016, 12:16 PM
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Default Bought my first paperweight (:

I believe (though I have no way of knowing for sure) that my blemished lower is 6061. The 7075 is on back order, so I'm assuming what I have is the one that's in stock. That sound be nice due to the corrosion resistance, and the milling ease. And it sounds like the end mill will last longer.

Just ordered the cutting fluid. Thanks again for the link and suggestion!


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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....

Last edited by Exdc; 05-27-2016 at 12:22 PM..
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  #33  
Old 05-27-2016, 12:28 PM
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Originally Posted by Exdc View Post
I believe (though I have no way of knowing for sure) that my blemished lower is 6061. The 7075 is on back order, so I'm assuming what I have is the one that's in stock. That sound be nice due to the corrosion resistance, and the milling ease. And it sounds like the end mill will last longer.


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From experience, you'll know

The first hash mark is a shallow pass. With that said:

If you go to the first hash mark to connect the holes with the endmill; if it cuts with little effort, then you've got a 6061. If you have to go slower to minimize chatter, then you've got a 7075.

Regardless of the aluminum, keep a firm hold on the router

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Old 05-28-2016, 9:35 AM
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I'll be popping my 80% cherry soon, after this memorial day weekend is over.

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my gun shoots better with shiny brass...plus not only does the shiny brass make me look like a pimp at the range if the sun catches it just right it blinds the guy next to me which improves my odds of winning the match.
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Full size. Stubbies are for sissies.
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Old 05-28-2016, 10:04 AM
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Looking forward to seeing the results Kwikvette!
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Quote:
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"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
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Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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  #36  
Old 06-08-2016, 11:31 PM
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Default Bought the lower kit.

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Originally Posted by Zartan View Post
You didn't factor in the price of the router/jig/tooling to complete the paperweight, and possibly a second 80% in case the 1st one gets borked up. Best of luck, keep this thread updated.
I went shopping, and it hurt the pocket book. See first post for update. Fortunately I can resell the jig at about 88% of what I payed for it. And I will probably get lots of use out of it. I also have some stripped lowers in case I bork anything up too terribly. xD
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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....

Last edited by Exdc; 06-09-2016 at 1:05 AM..
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  #37  
Old 06-09-2016, 1:45 PM
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| carbon fiber hand guard (I have one like it and it's great) for $62

Where did you get one of these?
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Old 06-09-2016, 1:47 PM
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Originally Posted by Exdc View Post
a carbon fiber hand guard (I have one like it and it's great) for $62.
Where did you get one of these?
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Old 06-09-2016, 2:24 PM
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Where did you get one of these?
http://www.deltateamtactical.com/Car...ut_p_4719.html

There are also different lengths.
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Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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  #40  
Old 06-17-2016, 8:50 PM
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I'm probably going to go with the LUTH-AR stock, but I would like feedback (:


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__________________
Radical Centerist (That's me) Philosophy:
Quote:
Originally Posted by Unknown
"I want gay married couples to be able to protect their marijuana plants with guns." -Unknown (possibly Tim Moen)
Quote:
Originally Posted by Allhailflintlocks View Post
Gun owners need to be the new illegals - undocumented firearm possessors if you will.
Legislator "logic":
Quote:
Originally Posted by Dezrat View Post
Before long, the Feds via A.D.A. will probably require manufacturers to include Braille markings to accommodate blind shooters.....
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