Upgrade Kit for Transforming TARGET FRAME 504 into TARGET FRAME 505 System

The STEELFLY CONVERSION KIT 507 is a precision upgrade solution designed to convert the TARGET FRAME 504 into the more skill-progressive TARGET FRAME 505 system.

This conversion enables shooters to shift from a fully modular configuration platform to a structured training system with defined difficulty progression. Once installed, the system is optimized for skill-based development using interchangeable target plates with different hit zone diameters, allowing shooters to train accuracy step by step.

Built on the STEELFLY HookHole® ecosystem, the kit ensures seamless integration with existing components and maintains full system durability, corrosion resistance, and outdoor reliability.

After conversion, the system retains full compatibility with STEELFLY accessories while introducing the simplified, performance-focused structure of the TARGET FRAME 505 platform.

Key Features

• Converts TARGET FRAME 504 into TARGET FRAME 505 system

• Enables skill-based progression with interchangeable target plates

• Introduces dual-difficulty training configuration

• Maintains compatibility with STEELFLY HookHole® system

• Tool-free or minimal-tool installation

• Compatible with STEELFLY 400 and 500 Series accessories

• Preserves durability and weather resistance of the base frame

• Optimized for progressive accuracy training

• Supports long-term modular system flexibility

Technical Specifications

 • SIZE: 25 × 15 × 15 cm

• TARGET HIT AREAS: Two interchangeable plates with different hole diameters

• HIT INDICATOR: Switch Up / Switch Down

• MAXIMUM ENERGY: 25 J

• CALIBERS: .177 (4.5 mm) to .22 (5.5 mm)

• AMMUNITION: Lead pellets only

• SURFACE TREATMENT: Electrochemically plated

• IMPACT MATERIAL: 3 mm steel

Applications

The CONVERSION KIT 507 is ideal for shooters who want to refine and simplify their training system without replacing existing equipment.

Perfect for:

• Converting TARGET FRAME 504 into TARGET FRAME 505 configuration

• Structured skill development and progressive accuracy training

• Beginner to intermediate shooting progression

• Shooting clubs and training instructors

• Recreational and controlled training environments

• Users shifting from modular setups to focused training systems

System Benefit

With the STEELFLY CONVERSION KIT 507, TARGET FRAME 504 is transformed into a streamlined TARGET FRAME 505 system, enabling more structured training progression while preserving the core durability and compatibility of the original platform.

For detailed product compatibility and conversion options, see the "Upgrades and Compatibility" section.