Big Kahuna Guns Single Shot AR-15 Lower Assembly for Raptor 50 .50 BMG Ergo Grip

Single Shot AR-15 Lower Assembly

The Big Kahuna Guns Single Shot AR-15 Lower Assembly is designed specifically for compatibility with the Raptor 50 .50 BMG upper, transforming a standard AR-15 platform into a powerful single-shot bolt action rifle. This assembly includes a high-quality AR-15 lower receiver, an ergonomic Ergo grip for enhanced control, a buffer tube, and a complete parts kit, all assembled for immediate use. Not including a stock, it allows users to customize their build while ensuring reliable performance with the heavy-duty demands of .50 BMG.

Key features include the Ergo grip, which provides a comfortable and secure hold to manage recoil effectively, and the buffer tube setup optimized for the Raptor 50's bolt action operation. The lower receiver is built to mil-spec standards, offering durability and precise fitment for seamless integration. This assembly replaces standard AR-15 components to accommodate the .50 BMG's unique requirements, including enhanced ignition support when paired with the upper's heavy-duty hammer and spring.

Ideal for long-range shooting, precision target practice, and custom rifle builds, the Single Shot AR-15 Lower Assembly suits enthusiasts and professionals seeking to create a versatile .50 BMG firearm. Its modular design appeals to those who value customization and power in a familiar AR-15 format, making it perfect for range sessions or competitive environments where accuracy and reliability are essential.

Specifications