SRU Airsoft AR Bullpup Kit

Published on July 8, 2019
Duration: 8:08

This guide details the installation of the SRU AR Bullpup Kit onto a Classic Army M4 Airsoft AEG. The process involves disassembling the M4, integrating its core components (gearbox, motor, receiver extension) into the 3D-printed bullpup chassis, and reassembling the unit. Key considerations include the trigger bar connection, battery placement, and potential modifications for hop-up access. The kit transforms a standard AR platform into a compact, futuristic bullpup configuration.

Quick Summary

The SRU AR Bullpup Kit transforms AR pattern Airsoft AEGs into a futuristic bullpup. It integrates the original gearbox and motor into a 3D-printed chassis. While controls remain in their original positions, requiring reach-back manipulation, the kit offers a unique aesthetic. Be mindful of its temperature sensitivity and potential fitting needs for non-polymer AEGs.

Chapters

  1. 00:00Introduction to SRU AR Bullpup Kit
  2. 00:12Kit Overview and M4 Integration
  3. 00:42Size Comparison and Barrel Length
  4. 00:80Internal M4 Components in Bullpup Form
  5. 00:99Battery Compartment Access
  6. 01:13Control Placement and Functionality
  7. 01:52Magazine Release Ambidexterity
  8. 01:68Hop-Up Adjustment and Charging Handle
  9. 02:23Rail System and Accessories
  10. 02:53SRU Kit 3D Printing and Design
  11. 03:04Installation Process and Instructions
  12. 03:493D Print Material Limitations (Heat Sensitivity)
  13. 03:55Print Quality and Surface Finish
  14. 04:20Unique Design and Futuristic Appeal
  15. 04:50Conclusion and Future Projects

Frequently Asked Questions

What is the SRU AR Bullpup Kit?

The SRU AR Bullpup Kit is a 3D-printed accessory designed to convert standard AR pattern Airsoft AEGs, like the Classic Army M4, into a compact bullpup configuration. It integrates the original gearbox and motor into a futuristic chassis.

How does the SRU AR Bullpup Kit affect controls?

While the grip moves forward of the magwell, controls like the safety selector and fire mode switch remain in their original M4 locations, requiring the user to reach back to manipulate them. The magazine release is ambidextrous and located at the rear.

What are the limitations of the SRU AR Bullpup Kit?

The kit is primarily designed for polymer AEGs and may require fitting for full metal models. Its 3D-printed nature makes it sensitive to high temperatures, requiring protection in hot environments. The charging handle may also not function fully.

Is the installation of the SRU AR Bullpup Kit difficult?

The installation is considered relatively straightforward with good instructions provided by SRU. However, it may involve some trial and error, especially for those less familiar with AR AEGs, and minor fitting adjustments might be necessary for certain models.

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