Anyone ever mill a polymer lower using the 5D Jig

[Bolts Rock]

And hand tight only on that jig part that screws into the receiver extension threads. Check it every pass.

[Rockzilla]

Originally Posted by StantonCree

honestly just something new. I've done a bunch of the regular ones. I'm just in the bored of guns phase. I want a .350 legend upper for hunting but im not buying one while ammo is so hard to find.

The only wheel gun I need, I'm not interested in paying $900 for right now.

I'm in this gun limbo so I'm looking for something to occupy my time. Thats literally all it is. Boredom and curiosity.

"Build" a 1911 or MP5... Uzi, AK74 or a Krink if you can find kits still
just a thought... problem being the investment in tools / jigs, which leads to
the time now is not the right time... Got bored with the assembly AR game
a while ago, there's only so much you can do.. "building 1911's is different,
takes more time , blending / fitting / testing / fitting again, MP5's bending /
welding / fitting / testing / tuning... so if your looking for something to occupy
your time and other stuff..

as far as poly there are a few who have done them, check out the arfcom site
there are some who have 3D printed them using various type of filaments, some
require harden nozzles, high temps. got into 3D printing about a year ago (off & on)

just a different take...

-Rock

[MossPumper]

I have drilled out two James Madison Tactical lowers and found it very easy. i used a Drill Press and took my time.
Lower the speed to around 850 and it cuts great. The JMT. 308 lower was crap. The carbon fiber mixture is not par.
Good luck .