Blackheart International's lineup of modernized and accurized AR-style semi-auto carbines begins with the company's carefully crafted lower receivers. Now Blackheart International is making its ...

The YHM G9 model lower receiver is machined from a solid billet of 7075-T6 aluminum and hard coat anodized. It accepts MIl-Spec lower parts and triggers. Designed to accept 9mm Glock magazines. This ...