KAK Industry AR-15 Lower Parts Kit - Red Bag - No Grip or Trigger Guard - The KAK Industry AR15 Lower Parts Kit is a complete, highquality component set designed for AR15 platform builds, packaged in KAK Industry's signature red bag. Finished in black, this lower parts kit includes all essential components needed to complete a lower receiver, excluding the grip and trigger guard, allowing builders to customize those elements to their preference. Engineered for proper fit and reliable function, it is ideal for new builds or replacement applications. With a reputation for precision manufacturing and reliable delivery, KAK Industry had several requests to begin manufacturing privatelabel firearms components in addition to their own product line. Explosive growth began as the company started dedicated production of virtually all machined components within the AR family. KAK Industry now supplies components and assemblies to many major firearms manufacturers in addition to continuing to provide their products to end users.