So All those are your choices. Smith and Wesson sent me the optics Prepared with the Crimson Trace optic and no ported barrel & slide. The latter paid out an undisclosed amount of money to settle the case and for the appropriate to continue generating versions inside the Sigma line.[52] https://smith-wesson-m-p-15-sport01123.wikienlightenment.com/6949030/smith_and_wesson_firearms_wiki_secrets