The Magpul Industries ASAP Ambidextrous Sling Attachment Point does not require any additional hardware to install on you rifle. It is designed to work with one-point type slings with snap hook style attachments such as the Magpul Paraclip and MS3 Sling GEN2.
You can essentially use any Magpul stock of your choosing. Some of the more popular options are the Magpul MOE and Magpul ACS-L. I will link some of my recommendations below.
https://www.opticsplanet.com/magpul-industries-moe-slim-line-carbine-stock.html
https://www.opticsplanet.com/magpul-industries-acs-l-lightweight-rifle-stock-fits-ar-15-m-16-tocgu.html
https://www.opticsplanet.com/magpul-industries-moe-sl-s-ar-15-m4-carbine-stock.html
These are designed to fit standard Mil-Spec buffer tubes on the AR-15.
These are made to fit onto Mil-Spec buffer tubes on the AR-15.
These are designed to fit standard Mil-Spec buffer tubes.
It is not intended for that firearm, but since it uses a similar buffer tube it may fit.
Yes, this should fit with no issues.
This end plate should fit.
This is the ASAP sling mount, not QD.
This should fit since they mostly use the same end plates.