80% lowers, etc...

Ironnewt · Dec 17, 2014

Elevation said:
how do you find someone who can help me mill an lower 80% complete on their equipment? I only have one I want to drill out, but do not have the equipment. thanks

I would not touch that one with a ten foot pole. Stanislaus Wonkonski, a 6 foot Pole told me he wouldn't touch it either.

Ragnar · Dec 17, 2014

Elevation said:
how do you find someone who can help me mill an lower 80% complete on their equipment? I only have one I want to drill out, but do not have the equipment. thanks

https://ghostgunner.net/

Alphabrew · Dec 17, 2014

Ragnar said:
https://ghostgunner.net/

If that thing will bang out supressor baffles it's worth every penny and then some (on Form 1, of course)

schnejerator · Dec 17, 2014

Ragnar said:
https://ghostgunner.net/

Well $1300 for a benchtop CNC, could do worse. But what's up with the .dd file format, it sounds like it's their own development?

I've completed a lower with a drill press, even with the jig it's ugly but you can build a functioning receiver. Also built on full turret Bridgeport style, if you've got the space and power to spare they turned out great.

Since then I went with a small manual mill, which works great for most hobby jobs. Plan to upgrade to CNC next year:

sonicnofadz · Dec 18, 2014

Sorry for jumping off topic, but are any dealers currently selling stripped 308 lowers? Are HBAR barrels mandatory for them as well? (Not that you can even find pencil or government profiles for 308). Haven't seen a single LGS selling stripped 308 lowers...

bobthefisher · Dec 18, 2014

Elevation said:
how do you find someone who can help me mill an lower 80% complete on their equipment? I only have one I want to drill out, but do not have the equipment. thanks

Wow, where's Admiral Ackbar when you need him!

Dude if you're ATF, these kind of posts are down right sh!tty and borderline illegal. Go find some baby seals to club.

Irish64 · Dec 23, 2014

schnejerator said:
Well $1300 for a benchtop CNC, could do worse. But what's up with the .dd file format, it sounds like it's their own development?

I've completed a lower with a drill press, even with the jig it's ugly but you can build a functioning receiver. Also built on full turret Bridgeport style, if you've got the space and power to spare they turned out great.

Since then I went with a small manual mill, which works great for most hobby jobs. Plan to upgrade to CNC next year:

What are the power requirements for that mill?

'04 Cummins · Dec 23, 2014

Irish64 said:
What are the power requirements for that mill?

https://www.grizzly.com/products/Drill-Mill-with-Stand/G0704

FlatsFlite · Dec 23, 2014

jig+router =

GTOGUNNER · Dec 23, 2014

FlatsFlite said:
jig+router =

They look pretty good. How much time did it take?

FlatsFlite · Dec 23, 2014

Four hours for the first one; one hour for the second one. It goes a lot quicker when you aren't reading directions and second guessing yourself on every move. .

Alphabrew · Dec 23, 2014

Nice job, are those poly lowers? Was it difficult to keep the lower square to the router?

fabsroman · Dec 23, 2014

Alphabrew said:
Nice job, are those poly lowers? Was it difficult to keep the lower square to the router?

That is what I am wondering since he used a router. Having a hard time seeing a router doing that with aluminum, but I guess it could be possible with a router table, maybe, just maybe.

FlatsFlite · Dec 23, 2014

Nope, aluminum blanks. If your speed is right it cuts like butter. The only issue is the end mill wants to creep out. I used a small laminate router, I learned on the first one to check my depth every half pass. That was the only problem.

It's actually super easy, just go slow. An easy hand will feel a problem before it develops.

FlatsFlite · Dec 23, 2014

Here are a few shots. I did some touching up along the way with the first one on the rear shelf.

DutchV · Dec 23, 2014

Pretty or ugly is not important. If it passes the function test, and you didn't weaken it by cutting out too much, then it's fine. And those two look fine from here.

Chriss613 · Dec 24, 2014

FlatsFlite said:
Here are a few shots. I did some touching up along the way with the first one on the rear shelf.

How tight are they when attached with an upper? Is there any any play?

FlatsFlite · Dec 24, 2014

Upper and lower fit is mostly in the casting and milling at the manufacture, not the milling done at home. That said, these two are pretty snug more so than my two Seekins' lowers.

Bradw410 · Dec 24, 2014

I still have a damn billit lower I can't find a jig for

FlatsFlite · Dec 25, 2014

www.modulusarms.com should work.

80% lowers, etc...

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