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Hi Ryon and welcome. They all are compatible. You will need an MLOK Rail to add a verticle grip. Both here : https://www.budsgunshop.com/product_info.php/products_id/714029453/santan+m-lok+5+slot+picatinny+ -------------------------------- https://www.budsgunshop.com/product_info.php/products_id/60531/advanced+technology+black+forend+pistol+grip+for+picatinny+r -------------------------------------- And picatinny Red Dot here as an example : https://www.budsgunshop.com/product_info.php/products_id/101542/firefield+ff26028+impulse+compact+red+dot+sight+1x+22mm+obj+illuminated+circle+dot+red+green+black+matte+cr2032+1