Upgrade your AR-15 build with the Lantac M‑SPEC BCG, a mil-spec bolt carrier group engineered for performance, durability, and reliable operation under the toughest conditions. Crafted to military specifications and enhanced with premium components, it delivers top-tier functionality without breaking the bank.
Key Features:
- 8620 steel full-auto carrier: heat-treated, hard-turned, and ground for exact mil-spec tolerances
- Carpenter 158 or 9310 bolt: shot-peened and hard-turned to ensure superior durability
- Quantum Peak Quench (QPQ) nitride finish: increases corrosion resistance and reduces friction
- Lantac CP‑R360 domed cam pin: CNC-machined 17‑4PH stainless hardened to H900 for smoother cycling
- Magnetic Particle Inspected (MPI): verified crack-free for safety and reliability
- Full-auto (M16) profile: adds weight for improved bolt carrier momentum
- Lifetime warranty and Made in the USA
Why Choose Lantac M-SPEC?
- Delivers mil-spec precision with no hidden compromises
- Additional enhancements—nitride finish, domed cam pin—for increased performance
- Offers value: elevated durability at a mid-range price
Ideal for shooters who demand reliability and longevity in high-round-count applications.
