IsoTac Arms IsoTac ThumbHook - MLOK The IsoTac ThumbHook is our low profile solution for controlling muzzle climb on SBRs and rifle-pattern pistols. Our ThumbHook can be mounted in a single MLOK slot, at the 3 or 9 o'clock position to... MSRP: Was: Now: $16.99 - $34.99 Choose Options
