One used AAC Blackout Non-Mount Flash Hider with crush washer. Came off a ACR with less than 100rds. $45 obo shipped, Paypal Gift or +3.5%. Let me know if there are any questions. Thanks. ––––SOLD––––
ETA: 5.56 1/2x28. Please email\IM for more info. Do not bump the ad with questions. Thanks.