BC51.30 standard thread units (5/8×24 RH) are on sale for the next 30 days!  These are perfectly compatible with the AAC 762SDN and the SilencerCo .30 Caliber cans using a MAAD Mount!  We have too many, so it’s your chance to save some money!  Cannot be combined with any other offers.  Good until September 7, 2018!