Worthless unless you want to look cool. - Midwest Industries SIG Rattler 10in M-Lok Suppresser Compatible Handguard

I would never recommend this handguard unless you just want your rattler to look cool, or you dont run front iron sights or an IR device. The rail has a tremendous amount of wobble after 5 mins of use. The rear top most 1.5 mlok slots are unusable due to how the handguard mounts to the upper. That area would be much better suited for a qd sling slot. But judging by the current quality of this handguard, that probably would be junk as well.