This is the Rattlecan special edition version of the DDM4V7 PRO lineup it's been a safe queen I've only fired 60 rounds through it its brand new. Upgrades include a Geissele single stage flat faced trigger, Geissele super 42 braided spring with buffer (also includes original spring and buffer), a Radian Talon 45/90 Safety Selector (it also comes with the original ambidextrous safety selectors), Daniel Defenses muzzle climb mitigator muzzle device, three magazines, and the original DD hard case. 

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