A better comparison is the scatter laser.
40 shots, 27 hits, 22 wounds against the majority of targets (ie T4 or less). Yes this goes down as the T goes up unlike the splinter weapons but this can (and will!) wreck most vehicles easily.
27 hits vs
AV10 - 13 glance or better
Av11 - 9 glance or better
Av12 - 4 glance or better
The scatter laser is just too versatile to not take
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