This afternoon was the first time I separated the upper from the lower on my Armalite M15-A2. This was intended as an educational venture so I would know the tricks when my new upper and lower arrive. Boy, was it educational!

 

There is this silly little spring in the lower that does not seem to do anything. hmmm, that's curious. Whatever, I will put it all back together now as it all seems pretty straightforward. WRONG! The "silly little spring" holds the detent that holds the takedown pin in place. After crushing the spring, not once but twice, I figured out what was going on. Oh well, at least they are not expensive. I also ordered some of those fancy KNS pushbutton receiver pins while I was at it. Nothing like belts and suspenders - after the fact!

Yup there are a couple on my living room floor after my first build....

I have extra springs if you NEED one. I'll be in Hunterdon (Clinton) tomorrow if you need one.

 

Frank

Thanks, anyway, Frank - I ordered some today.

 

Do appreciate the offer, though

 

Jack

If it isn't already, you can tap the detent pin/spring hole to install a set screw. You might need to trim the spring a little depending on the length of the set screw.

Jack, Bring it over tomorrow night I have a spring for you.

Thank you, Scott. Will do