Description DETAILS The Defender-H lower receiver, also known as the original LMT® .308 Modular Weapon System (MWS®) lower receiver. This receiver offers ambidextrous selector and magazine release machined directly into the receiver and have been designed to function as ergonomically as possible. LMT® MWS® lower receivers are only guaranteed compatible with our upper receivers. Any other brand may not fit or function correctly. SPECS Caliber: .260 Rem, 6.5 Creedmoor, 7.62×51
