Parts identification - ERGO AR-15 Enhanced Lower Parts Kit

The package arrived ahead of time so that was great! I only have 1 issue...this is my first build but after breaking down an M-4/M-16 for 21 yrs in the Army, I thought I could handle this. The packaging came with a parts inventory, but each piece was not identified. I had to play a lot of "guess work" to try and figure out what each item was. It would be MUCH more helpful if the packaging identified each piece- maybe a label above each item so amatures, such as myself, can identify which piece is which. Putting the lower together would have gone *much* quicker if it were. I am building a .308 using an AERO Precision Enhanced Upper and Lower so the Takedown and Pivot Pins were also too small and didn't fit. That's not a big deal so I didn't score that. Other than that, this was not a bad install.