Read the product page as an item you are actually ordering. Start with the model and variant, then the contents and the supplies it needs.
The identity fields
Names and photos can look alike across generations. Check the model, version and selected item. Ask about a missing identifier before adding a magazine or accessory.
The box contents
Use the written list rather than every accessory in a photograph. A kit can group useful items without meeting all your ownership or program requirements. Keep additional needs on a separate list.
A useful example
Milsig GD50 .50 Cal Less-Lethal Pistol names a platform; Mercury Rise IntruBuster GEN2 .68 Cal Prepared Kit names a different platform and kit. Read the contents for the selected listing instead of carrying assumptions from one to the other.
A question support can answer
Send the product identifier, proposed part and the detail that is unclear. If the manual and listing conflict, include both. A specific question is more useful than asking whether a whole category fits.
The final order
Check variant, cart item names, quantities, availability and current terms before payment. Save any clarification with the order and model details.