LanTac M-Spec Lower Parts Kit – AR-15

The LanTac M-Spec Lower Parts Kit provides all the essential components needed to complete an AR-15 lower receiver build. This kit includes the fire control group, magazine catch assembly, bolt catch assembly, trigger guard, and all necessary springs, detents, and pins to make your stripped lower receiver functional. It's designed for builders who want reliable, mil-spec components without unnecessary extras.

All parts are manufactured to military specification tolerances with durable finishes. Installation requires basic armorer tools and familiarity with AR-15 assembly procedures. Builders should have a lower receiver vise block, roll pin punches, and patience when installing roll pins to avoid marring the receiver. This kit does not include a pistol grip or trigger guard roll pin—verify what your specific build requires before ordering.

• Part Type: Complete Lower Parts Kit
• Compatible Firearms: AR-15 / M4 Platform
• Specification: Mil-Spec Dimensions
• Installation: Armorer-Level Assembly Required
• Includes: Fire Control Group, Magazine Catch, Bolt Catch, Trigger Guard, Springs, Detents, Pins
• Does Not Include: Pistol Grip, Buffer Assembly, Stock