I have an unfired ddm4a1 upper. It came with the ris ii and I had adco switch it out for the geissele urgi nsn marked rail then had a dead air keymo flash hider pinned for 16 oal. It is unfired and only about 6 month old. Comes with the unfired daniel defense bcg and daniel defense grip n rip charging handle. $1000 paypal shipped.
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