Shop › LANTAC DRAKON 762X39 M14-LH ASR MNT LANTAC DRAKON 762X39 M14-LH ASR MNT $147.99 LanTac USA LLC Drakon Muzzle Break, 14-1 LH Thread Pitch, 7.62x39, Nitride Finish, Black DGNAK47B-ASR Quantity: Add To Cart Added! LanTac USA LLC Drakon Muzzle Break, 14-1 LH Thread Pitch, 7.62x39, Nitride Finish, Black DGNAK47B-ASR