LANTAC M-SPEC Bolt Carrier Group BCG 5.56x45mm NATO/.223 Nitride Finish 8620 Steel Black

Name: LANTAC M-SPEC Bolt Carrier Group BCG 5.56x45mm NATO/.223 Nitride Finish 8620 Steel Black
Brand: Optics Planet
Price: 170.99 USD
Availability: InStock

Sold byOptics Planet•Posted Apr 27, 2026

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Deal Summary

Currently in stock.
Caliber: 223/5.56
Category: parts
UPC: 711841794095
SKU: 2D0-BCG-MSPECBCG-01-MSPEC-556-NIT-EBCG
Brand: Lantac

Price History

Deal Details

LANTAC M-SPEC Bolt Carrier Group BCG 5.56x45mm NATO/.223 Nitride Finish 8620 Steel Black. 56/.223 and 7.62/.308 Caliber the Lantac M-SPEC 5.56/.223 BCG is precision machined to milspec dimensions and tolerances. The carrier is full auto style with increased mass and is manufactured from 8620 steel case hardened and hard turned/ground so that internal dimension are exact to mil specifications. It is then QPQ Nitrided rather than Type M Phosphated to give increased corrosion resistance durability