I'm thinning the heard before the govnt does it for me. Up for sale is a Adams Arms Huldra Mark IV Piston driven 300 blackout. Used very little. Upgrades inc ergo grip, magpul stock, muzzlbreak, steel 300 Blackout mag, vector optics flip down magnifier and red dot. I haven't even had the chance to sight it in yet. $600.00 or open to pistol trades. I have my Carry permit.