This end cap is for the daystate Mk2, but it should fit otherb daystate PCP rifles such as the Huntsman. There is a ring on the inside, which will allow for a rubber gromet. The end cap fits nice and snug without it.
This ietem was printed on my Creality Ender 3 V2 and I have used PLA as the medium. The nozzel is a 0.4mm and I set the glass bed to 38'C and the nozzel to 215'C