This is a unique, high-performance modular build featuring a vintage Sendra Corp XM 15 A1 lower receiver. Known for their historical significance and robust build quality, this lower serves as a rock-solid foundation for a modern, dual-caliber setup.

The package is designed for maximum versatility, allowing you to transition seamlessly between a premium 5.56 duty-ready platform and a dedicated .22 LR trainer.

Lower Receiver Assembly

• Lower: Sendra Corp XM 15 A1
• Conversion: Rock Island Armory
• Furniture:
  • Stock: Daniel Defense Adjustable Stock
  • Grip: BG Defense B5 Pistol Grip

Upper Receiver Group 1: 5.56 NATO

• Model: Daniel Defense DD4 RIII
• Features: Includes the iconic RIS III rail system for fully ambidextrous control and legendary durability.
• Optic: EOTech Holographic Weapon Sight

Upper Receiver Group 2: .22 LR Trainer

• Model: Bore Buddy Dedicated .22 LR Upper
• Purpose: Ideal for high-volume training, plinking, or small-game hunting with consistent reliability.
• Optic: EOTech Holographic Weapon Sight

Investment & Compliance

• NFA Status: This is a machine gun.
• Note: $200 NFA Tax Stamp is required.
• Important: Suppressors shown in photos are for illustrative purposes and are not included in this sale.

** Available for in-store pickup. **