Product Description The KAK Industry K-SPEC Enhanced Bolt Carrier Group (BCG) is purpose-built to maximize the reliability of your AR-15 style firearm under any operating conditions, whether running suppressed or unsuppressed. Machined from 8620 steel to the M16 full-auto profile and finished in a durable phosphate black coating, the K-SPEC is a true plug-and-play BCG chambered for 6.5 Grendel (Type 2). Its advanced feature set -- including downward gas vents, slotted angled sandcutter carrier rails, and dual ejectors -- work in concert to reduce the peak decibel report, improve extraction reliability, and keep your firearm running clean cycle after cycle. No additional tuning or tweaking of the gas or recoil system is required when transitioning to suppressed use, making the K-SPEC an exceptionally versatile choice for any mission configuration. Product Highlights Reduced Peak dB Report: Downward-venting gas ports redirect propellant gases away from the shooter, meaningfully lowering the peak decibel report during firing. Slotted Angled Carrier Rails (Sandcutter): Sandcutter geometry actively channels debris and fouling away from critical bearing surfaces, maintaining smooth, consistent cycling in demanding environments. Dual Ejectors: Twin ejectors provide enhanced, consistent case ejection to reduce malfunctions during rapid fire or under adverse field conditions. True Plug-and-Play Suppressor Compatibility: Optimized for both suppressed and unsuppressed operation with zero additional gas system or recoil tuning required -- configure once, run anywhere. M16 Full-Auto Profile, 8620 Steel Construction: Machined to the M16 full-auto profile from tough 8620 steel for proven durability, strength, and long-term service life. Specs Brand: KAK Industry Model: K-SPEC Enhanced Bolt Carrier Group Caliber: 6.5 Grendel (Type 2) Carrier Material: 8620 Steel Finish: Phosphate Black Profile: M16 Full-Auto Key Features: Dual Ejectors, Downward Gas Vents, Slotted Angled Carrier Rails (Sandcutter) Compatibility: AR-15 Style Firearms MPN: MO-425-0512-015 UPC: 811163035033 Disclaimer: 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.