Product DescriptionThe KAK Industry K-SPEC Enhanced Bolt Carrier Group is designed to improve reliability in AR-15 style firearms whether you run suppressed or unsuppressed and across a wide range of conditions. Built as a true plug-and-play upgrade, the K-SPEC incorporates purpose-driven enhancements like slotted angled carrier rails, downward gas vents, and a dual-ejector setup to help keep your rifle cycling consistently. A full-auto profile carrier and chrome-lined/phosphate-treated components round out a durable, hard-use BCG suitable for 5.56/.300 Blackout AR-15 configurations.Product HighlightsK-SPEC enhanced design focused on increasing AR-15 reliability in suppressed and unsuppressed setupsSlotted, angled carrier rails to help manage fouling and maintain smooth cyclingDownward gas vents help direct gas away from the shooter while running the rifleDual ejectors for more positive extraction/ejection under adverse conditionsFull-auto profile with chrome-lined/phosphate-treated components for durabilitySpecsBrand: KAK IndustryModel: K-SPECProduct Type: Enhanced Bolt Carrier Group (AR-15)Caliber Compatibility: 5.56 NATO / .300 BlackoutColor: BlackFinish: PhosphateConstruction/Material (bolt): 9310 steelCarrier Profile: Full AutoCarrier Rails: Slotted Angled Carrier RailsGas Venting: Downward Gas VentsEjectors: Dual EjectorsGas Key: 4130 gas key, chrome lined, phosphateUPC: 811163034982Manufacturer Part Number: 425-0512-003Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.