BRN-180M Billet Stripped Lower Receiver, Ambidextrous, Black

BRN-180M Billet Stripped Lower Receiver Ambidextrous in Black. Designed to pair with BRN-180 upper receivers to maximize the full potential of the BRN-180 line. The BRN-180M is fully ambidextrous and includes ambidextrous bolt release and ambidextrous magazine release. The ambidextrous magazine lever is designed to work with the Mil-spec magazine catch for proper function. This Lower Receiver is machined from billet 7075-T6 aluminum with a hard-anodized finish, features an integral oversized trigger guard, and includes a captive take-down detent spring. Note: designed to be compatible with BRN-180 upper receivers and Sig MCX style stocks via a milled in 1913 Picatinny rail; it will not function with standard AR-15 upper receivers.