Lantac M-SPEC AR-15 Lower Parts Kit (LPK)
Complete your next custom rifle build or overhaul an existing lower receiver with the Lantac M-SPEC AR-15 Lower Parts Kit (LPK). Precision-engineered to strict military specifications, this lower receiver component set ensures smooth cycling, tight tolerances, and long-term reliability for your firearm.
Built to Strict Military Specifications
Every spring, pin, and detent in the Lantac M-SPEC kit is manufactured in the USA using premium-grade materials, correct heat treatments, and protective finishes designed to withstand harsh operating environments. Featuring an upgraded ambidextrous safety selector and a threaded bolt catch set screw (6-32) for effortless installation on compatible lowers (like Lantac and Aero Precision), this kit eliminates common assembly headaches while maximizing receiver control.
Key Performance Features
- Mil-Spec Standards: Built strictly to current military specs with heavy-duty heat-treated metals and wear-resistant coatings.
- Ambidextrous Safety: Included ambi safety selector provides versatile, mirror-image control for right- or left-handed shooters.
- Easier Lower Assembly: Comes with a 6-32 threaded bolt catch set screw and 1/16th Allen key for streamlined receiver builds.
- Made in the USA: Backed by Lantac’s standard of quality manufacturing and Lifetime Warranty.
Technical Specifications & Included Components
| Feature / Component | Specification |
| Compatibility | AR-15 / Standard Mil-Spec Lower Receivers |
| Country of Origin | Made in the USA |
| Warranty | Manufacturer Lifetime Warranty |
| MPN / SKU | 01-PKIT-LP |
| UPC | 614347523841 |
| Included Safety | Ambidextrous Safety Selector (with Safety Detent & Spring) |
| Takedown Components | Takedown Pin, Pivot Pin, 2x Pin Detents, 2x Detent Springs |
| Bolt Catch Assembly | Bolt Catch, Plunger, Spring, Roll Pin, 6-32 Set Screw, 1/16″ Allen Key |
| Magazine Control | Mag Catch, Mag Catch Spring, Mag Catch Button |
| Buffer Components | Buffer Retainer & Buffer Retainer Spring |
By purchasing LanTac AR 15 M-Spec Lower Parts Kit from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality
The actual appearance of the product may differ from the image on the website. For additional information about payment, delivery, and product specifications, please contact us by phone or email.
