No problem with those groups whatsoever
Have you tried any other subs apart from Eleys? I used to think they were the business then started buying different makes 50's until I settled on Winchester subs and my grouping (this was at 50yds) drew in to about .3 inch
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Theoben FAC S Type 52 foot lbs MTC Viper 6-24 x 56
Anschutz .22 rim S & B 8 x 56
Blaser R93 22/250 NXS Nightforce 12-42 x 56
Blaser R93 6.5 x 55 Swarovski 6-24 x 50