Yes I have. How was it well I'm selling ar 15 rifle to by a Ultratec that will be here in about two weeks. Giving my Mathews bow to my son. Cranked the bow down to 70 Lbs. Felt like I was pulling my Mathews at 63 lbs. Also shot supertec. It shot 303 ft. with a arrow that weighed 390 grains. Found a arrow that weighed 348. that bad boy flew a 328 ft per sec. set a ultratec up and shot its best at about 305 per sec. Razor tec was about 295 ft per sec.