I have 3 used AAC 51t mounts up for sale. I just had my sdn6 modified with a keymo adapter so I no longer need these. I accept paypal friends/family or cash app. These are the mounts available.
-2 used AAC 51t Brakeout 5/8x24. $150 each shipped
-1 used AAC 51t blackout flash hider .30 cal 1/2x28 (rare) $140 shipped