Can you read this and tell me what you get from it (read the fine print as well)?https://uspatriotarmory.com/product/glock-build-kit-standard?utm_source=US+Patriot+Armory&utm_campaign=b5ef8fa69b-EMAIL_CAMPAIGN_12_7_2021_COPY_01&utm_medium=email&utm_term=0_a61d6daff3-b5ef8fa69b-575338889&mc_cid=b5ef8fa69b&mc_eid=2cc21dd9af