We currently stock a Pacesetter 3-Die Set for the 300 AAC Blackout (part number 90575 http://leeprecision.com/3-di-300aac-blkout.html) and Collet Neck Sizing Die Set (90772 http://leeprecision.com/collet-dies-300-aac.html).
Also available, is the Factory Crimp Die (90590 http://leeprecision.com/f-cmp-di-300aac-blkout.html), Case Length Gauge & Shell Holder (90443 http://leeprecision.com/gage-holder-300-aac-blackout.html) and Quick Trim Die Body (90689 http://leeprecision.com/300-aac-blackout-qt-die.html).