A few Blasters from the past my way...

AR/M4 Custom Build Forum
1

For you guys that don’t visit Weapons Guild or Subguns here are a few of my builds…

AR70 with a rectangle tube receiver and another in the works with the correct sheet metal receiver…

http://i430.photobucket.com/albums/qq28/cjwix/Picture006_zpsb9856d30.jpg

A vid of it being fired…
It’s at around 1000 rounds down the pipe now still going strong…

https://www.youtube.com/watch?v=rPirhjgW6cQ

AR-180 build with a puzzle piece AR-15 lower…

http://i430.photobucket.com/albums/qq28/cjwix/005_zpsd0d5e333.jpg

http://i430.photobucket.com/albums/qq28/cjwix/008_zps1e21e6b5.jpg

Was able to fire a primed case in the 180 so I know the AR-15 FCG is a go…

A few more things left to do and I’ll be shooting it…

So what do you all think???

2

Got the 180 up and running…

Here is a short video…

https://www.youtube.com/watch?v=S7Hvmxf9cW0

3

Another video of the COB® 180/15…
Almost ready to blast and coat it…
Need to finish the selector detent…
Run another 200 rounds through it trouble free…
And it will be good to go…

//youtu.be/7Tp7vXvi5Aw

4

Very interesting. Can you include why you chose the parts you did and the purpose of each rifle?

5

The purpose of each weapon is to see how each weapons system works…
I built the AR70 with the tube receiver for ease of construction and just to see if it would work and it does very well…
It’s a heavy weapon about 12 lbs the bipod comes it handy…
The AR-180 lower was built from a Jack Squats AR-15 puzzle piece lower…
I redesigned it to work with the 180 upper it takes standard AR parts except the hammer…
I had to re-time and re-profile it to work with the 180 bolt carrier…
I’ll take heat for this comment but the AR-18 should be the US service weapon not the M-16…
IMHO it’s a better system it should have been developed further here in the US…
The reason for building the two is so I can blend both systems together on a future build…
Looking to build a ArmaLite AR-12 in 7.62 NATO next…
Starting to collect parts for that now…
I like take the AR-70 gas system and put it on a AR-180 style upper…
But that’s a while down the road…