Hi as above I have two mods a boxed a-tec cmm4 for upto 6.5cal 1/2" unf only done at most 50 rounds on a 223 220 post via rfd.
Also a stainless ASE ultra s5 for upto 25cal 1/2"unf this mod is 4-5 years old but is on my hornet for past couple years 150 posted via rfd
i plan to go for an ASE SL5 now for on my hornet as I have one on an other rifle & love it so going for a .22 cal sl5 1/2"unf.