I have a Z5 it did come from walmart when they put them on sale this fall
Though I did good at $160 till my friend got one for $99 .I like mine and aftewr doing a bit of break in it will shoot tght groups with50/40 200gr Shock Waves and 250 shock waves and 300gr 44cal XTP's loads 150 with the 50/40 200gr. the 250 Sabor Tooth and the 245 PB 100gr with the 300 gr bullets.I use APP but I have switched back and forth with Pryodex all ff.
Hope this helps it had to be close to the best gun buy I ever made. LEE