[laweeks]

all put together except for the mainspring housing latch. The last part. It’s like a Rubiks cube. But I’ll get it.

My son said there's a kit that can be installed so you won't have difficulty re-assembling it. Not sure how to get it.

[BipolarBob]

I don't know what it would be. This is a one piece item. I put a trigger kit in my pistol and all I need is for that last piece to fit. It almost does but not quite.