Very nice, you could take it to the next level with some wire on the T-tracks and paint the butt similar to bakelight
wiring references
bakelite references
Couldn't quite make out if you have the ridged plate on the rear of the stock and screw
With the Husky bin, the drawer will fit perfectly inside the handle on the side bars, but you can't extend it out all the way. Just make sure that the actual padded handle end is snug up against the outside edge of the tray (yellow arrow) and it should stay in place
If you are good with soldering, I am quite fond of the TK-Talkie. They work great! It's more of a DIY Kit, but can save you a few credits.
https://www.tktalkie.com/