Experience enhanced performance with the Guntec USA GT-BCG-LM AR-15 Skeletonized Low Mass BCG. Designed for precision and durability, this low mass carrier optimizes your rifle's cycle while reducing overall weight. Manufactured from top-grade 8620 steel, it features a sleek skeletonized design for improved airflow and reduced friction. Choose between a stunning gold titanium nitride finish or a robust QPQ salt bath nitride finish to match your style. Lightweight: Only 8.6 Oz Smooth finish for reduced friction Compatible with dust covers Grade 8 screws to Mil-spec Hydraulically staked CL key 1-year warranty for peace of mind Upgrade your AR-15 with this USA-made bolt carrier group and enjoy unmatched reliability.