WaterfowlForum.Net

Posted: **Sun Jun 23, 2013 12:50 am**

assateague wrote:
3legged_lab wrote:And somebody is gettin challenged to a fister out on hwy 130

It was Rt. 50, dammit.

Total shot in the dark

Posted: **Mon Jun 24, 2013 1:58 pm**

And it begins.

ImageUploadedByTapatalk1372100328.732785.jpg

Posted: **Mon Jun 24, 2013 3:25 pm**

assateague wrote:It's a pressure thing. I don't know much about guns, but a 5.56 barrel has a much bigger "forcing cone" (or whatever it's called in a rifle). Shooting 5.56 military out of a .223 barrel will spike the pressure. Not a lot, something like 20% more, but it's not recommended as a "regular" occurrence

I am not so sure I believe that will harm a .223 barrel.
This is only my opinion.

Plum Crazy lower?

Carbon 15?

I have built a few lowers, I looked at both of those very closely...

Posted: **Mon Jun 24, 2013 3:44 pm**

I read that it won't really harm the barrel, only that it will spike the pressure, and there is the possibility that it could. You know how that works in lawyer speak.

Posted: **Mon Jun 24, 2013 3:46 pm**

Something like a .223 barrel is 55,000, a 5.56 is 57,000, but the lack of that little longer "forcing cone" in a .223 barrel (the 5.56 "forcing cone" is a fuzz longer and a hair less steep) will result in a spike of up to 63,000 if you shoot the 5.56 out of a .223 barrel.

DISCLAIMER
I don't know crap about this, and this is only what I've read.

Posted: **Mon Jun 24, 2013 4:40 pm**

assateague wrote:

DISCLAIMER
I don't know crap about this, and this is only what I've read.

you know well enough to be a forum expert then for God's sake

Posted: **Mon Jun 24, 2013 4:45 pm**

jehler wrote:
assateague wrote:

DISCLAIMER
I don't know crap about this, and this is only what I've read.
you know well enough to be a forum expert then for God's sake

EXACTLY.

I know another expert in the fine arts of maple syrup...oh never mind.

Posted: **Mon Jun 24, 2013 4:47 pm**

Tomkat wrote:
jehler wrote:
assateague wrote:

DISCLAIMER
I don't know crap about this, and this is only what I've read.
you know well enough to be a forum expert then for God's sake

EXACTLY.

I know another expert in the fine arts of maple syrup...oh never mind.

yeah, I know one2many also

Posted: **Mon Jun 24, 2013 4:48 pm**

jehler wrote:
Tomkat wrote:
jehler wrote:
assateague wrote:

DISCLAIMER
I don't know crap about this, and this is only what I've read.
you know well enough to be a forum expert then for God's sake

EXACTLY.

I know another expert in the fine arts of maple syrup...oh never mind.
yeah, I know one2many also

Hows the mohawk coming?

Posted: **Mon Jun 24, 2013 4:58 pm**

Tomkat wrote:
jehler wrote:
Tomkat wrote:
jehler wrote:
assateague wrote:

DISCLAIMER
I don't know crap about this, and this is only what I've read.
you know well enough to be a forum expert then for God's sake

EXACTLY.

I know another expert in the fine arts of maple syrup...oh never mind.
yeah, I know one2many also

Hows the mohawk coming?

ImageUploadedByTapatalk1372110576.284483.jpg

Posted: **Sun Jun 30, 2013 11:32 pm**

Lower is put together. Only waiting on the buffer tube plate, spring, and buffer. Some parts of the plastic lower seem too tight, specifically the bolt catch. Doesn't seem like its going to work (by that I mean it seems like its going to catch every shot) until I get it loosened up. Overall, I'd easily recommend a plastic lower, but won't know for sure until I shoot it. Feels good, though.

We'll see. Can't test it until I get the last three parts, which will hopefully be here by Wednesday. What better way to celebrate July 4th than with a homemade AR? Seriously, that's pretty damn American.

Posted: **Sun Jun 30, 2013 11:34 pm**

A Tommy Gun is way more American.

Posted: **Sun Jun 30, 2013 11:35 pm**

Only if you whittled the stock yourself.

Posted: **Mon Jul 01, 2013 12:00 am**

Pictures pictures
How long did it take to mill out? Did you wait for the end mill or just do it with the dremel?

Posted: **Mon Jul 01, 2013 6:25 am**

assateague wrote:Overall, I'd easily recommend a plastic lower, but won't know for sure until I shoot it. Feels good, though.

WHICH plastic lower?

Good luck on your build. I studied doing a plastic one, and then passed.

Posted: **Mon Jul 01, 2013 8:19 am**

Tomkat wrote:
assateague wrote:Overall, I'd easily recommend a plastic lower, but won't know for sure until I shoot it. Feels good, though.

WHICH plastic lower?

Good luck on your build. I studied doing a plastic one, and then passed.

EP Lowers. I honestly don't think I would've been able to do a metal one, and have it come out anywhere near to passable.

Posted: **Mon Jul 01, 2013 8:20 am**

3legged_lab wrote:Pictures pictures
How long did it take to mill out? Did you wait for the end mill or just do it with the dremel?

No, I didn't wait. The neighbor is still waiting, but I said eff that. Used the Dremel, a Forstner bit, and a 1/4" chisel. I'll take some pics later- hopefully my remaining parts come today.

Posted: **Mon Jul 01, 2013 7:51 pm**

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Posted: **Mon Jul 01, 2013 7:53 pm**

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Posted: **Mon Jul 01, 2013 8:06 pm**

Is there much tolerance you have to hold or just Hal enough out until it fits?

Posted: **Mon Jul 01, 2013 8:22 pm**

This one was pre-milled, and then back filled with a different color plastic. All I had to do was "remove" the lighter colored filler, and be careful not to drill through the bottom. A metal one is a whole 'nother deal, and one I don't think I'd like to try. The hole for the trigger you just have to test fit a lot, since there's no pattern for it.

With the plastic lower, I did have to "fine tune" some stuff, since its obviously not as precise as metal. I had to grind the selector switch a bit, to widen the firing "permission" flat spot. The trigger had about a millimeter of play, which prevented it from firing about half the time. I removed about 3mm from the switch itself, which cleared the problem up right away. The mag well was extremely tight, so I took sandpaper and a file to it, which helped a ton. I may remove even more, but everything I've read says to give them a while to break in. And I still need to work on the bolt catch (I think). It just doesn't look like its sitting quite right, but it may be. I need the buffer spring so I can test it and see if it functions as its supposed to.

Overall, it was pretty damn fun.

Posted: **Mon Jul 01, 2013 9:04 pm**

How much pee was involved in building that thing?

Posted: **Mon Jul 01, 2013 9:20 pm**

The kids learned some new words last night when I moved the selector to "semi", pulled the trigger and, nothing happened. They may have learned enough new words to get them through the next 22 years.

Posted: **Mon Jul 01, 2013 9:57 pm**

So is the fine tuning more on the lpk or the lower itself?

Posted: **Mon Jul 01, 2013 10:08 pm**

So far 95% on the kit, and 5% on the lower. Maybe a little more. I really need that buffer spring though, so I can check the bolt catch. That will be a supreme goat fuck if it doesn't function right, since there's no way to get the pin out once it's in on this particular lower. Luckily, it's plastic, and I'm not afraid to make some shit up as I go.

Posted: **Tue Jul 02, 2013 7:04 am**

What about an upgraded trigger?

Posted: **Tue Jul 02, 2013 8:44 am**

This is budget. This is "Ok, I have one in the gun cabinet in case I need one". Now I can more calmly build the next one, and possibly add some upgrades.

Posted: **Tue Jul 02, 2013 8:47 am**

assateague wrote:This is budget. This is "Ok, I have one in the gun cabinet in case I need one". Now I can more calmly build the next one, and possibly add some upgrades.

Never heard someone say they could more calmly build anything!!!

Damn son, how is your BP on a normal day?

Posted: **Tue Jul 02, 2013 8:49 am**

Shockingly low, believe it or not. I've had more than one doctor tell me that I may need to do something about that someday. So I stopped going to doctors. I just allow myself to be aggravated, and I think that keeps my blood pressure up where it needs to be :lol:

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