The .300 Blackout AR-15 Pistol Kit features an 8.5-inch nitride-finished barrel with a 1:7 twist rate paired with a 7-inch M-LOK handguard, offered as a parts-only configuration where legally permitted. This kit is intended for platform-compatible builds and does not constitute a complete or functional firearm as sold. Ghost Guns Official presents this pistol kit with clear specifications, neutral language, and compliance-focused transparency. No lower receiver, serialized components, tools, or assembly instructions are included. Buyers are responsible for verifying platform compatibility and ensuring compliance with all applicable local, state, and federal regulations prior to purchase.