APF Armory carries essential individual components for building, repairing, or upgrading your AR-15 and AR-10 bolt carrier groups (BCGs). These small but critical parts ensure smooth operation, proper function, and long-term reliability.
Popular BCG Parts: • Firing Pins – AR-15 & AR-10 (including High Pressure) • Gas Keys & Gas Key Screws • Cam Pins (Nickel Boron coated) • Extractor Springs, Buffers & O-Rings • Firing Pin Retaining Pins • Gas Rings & More
All BCG parts are 100% American-made with premium materials and coatings for maximum durability and performance.
