LANTAC M-SPEC Lower Parts Kit AR-15

This LANTAC M-SPEC Lower Parts Kit supplies the essential small parts needed for an AR-15 style lower receiver. The kit is intended for building, maintaining, or repairing AR-15 lowers and is described as meeting up-to-date military specifications. Components and finish are provided to support long-term service life for typical range and field use.

Key Specifications

• This kit is designated M-SPEC by the manufacturer.
• The product type is listed as a Lower Parts Kit.
• The kit color is specified as Black.
• AR-15 compatibility is indicated as Yes.
• Overall dimensions are 0.80 X 2.50 X 3.35.
• Height is listed as 0.8000.
• Width is listed as 2.5000.
• Length is listed as 3.3500.
• Weight is listed as .2.
• The kit includes takedown pin; pivot pin; pin detents x2; detent springs x2; ambidextrous safety selector; safety detent and spring; buffer retainer and spring; bolt catch, plunger and spring; bolt catch roll pin; bolt catch set screw (6-32); 1/16" allen key head; mag catch, mag catch spring and mag catch button.

The LANTAC M-SPEC Lower Parts Kit provides a complete set of lower-receiver components suitable for builders and armorers who need correct-fit parts for AR-15 style lowers. Its component list supports straightforward installation and service while maintaining a conservative, specification-driven approach to parts selection.