Extremely rare zm lr 300 less than 1000 total production for all variants and even less in kit form as this one which you supplied the lower only gun built after 2005 shot show on a og dams panther lower has all correct zm yankee hill machine components and including rare factory hard sights zytel hand guard with pic rails and 2005 era Bushnell red dot excellent condition and the first side folder which could fire folded