Convert Your AR15 into a BULLPUP | REAP WEAPONRIES

Published on July 6, 2025
Duration: 42:12

This video details how to convert an AR-15 into a bullpup configuration using the Reap Weaponries chassis. The process involves installing a trigger relocation kit and a polymer chassis that utilizes the AR-15's existing lower receiver and trigger mechanism. The discussion highlights the benefits of bullpup designs, such as reduced overall length while maintaining barrel length, and the advantages of using common AR-15 parts for reliability and ease of maintenance. The video also touches on various upper receiver configurations, including piston, gas, and bolt-action systems, and discusses potential modifications and future developments for ambidextrous functionality.

Quick Summary

Convert your AR-15 into a bullpup using the Reap Weaponries chassis, which utilizes a trigger relocation kit and common AR-15 parts for a shorter overall length. This modification offers improved maneuverability while maintaining barrel length and leveraging the reliability of the AR-15 platform.

Chapters

  1. 00:00Introduction to Reap Weaponries Bullpup Chassis
  2. 00:51Hatchcast Episode Intro & Guest Introduction
  3. 01:30Sponsor Shoutout: Wet Works Gear
  4. 02:51Guest's History with Bullpups & Reap Weaponries
  5. 04:05Initial Experience & Minor Issues
  6. 04:25General Benefits of Bullpup Designs
  7. 05:24Overall Length Advantage of Bullpups
  8. 06:34Barrel Length vs. Compactness in Bullpups
  9. 07:22Barrel Length Examples
  10. 07:34AR Parts Commonality in Bullpup Conversions
  11. 08:26Understanding the Reap Weaponries System
  12. 08:45Trigger Relocation and Mechanism
  13. 09:57Dual Safety Mechanisms
  14. 10:24Reap's Goal: AR-15 Versatility in Bullpup Form
  15. 10:36Showcasing Different Upper Systems (Piston, Bolt, Gas)
  16. 10:47User Experiences & Malfunctions
  17. 11:06Reliability: Running Like an AR
  18. 11:13Potential Adjustments & Issues
  19. 12:09Motivation: Finding the Ideal Bullpup Setup
  20. 12:26AR-15 Dominance & Benefits
  21. 12:49Preference for Piston Systems
  22. 13:01Favorite Build: CMMG Gas System
  23. 13:12One-Handed Shooting Capability
  24. 13:37Bullpup Perception vs. Reality
  25. 14:01Retraining for Bullpup Manual of Arms
  26. 14:45Capability and Commitment to Bullpups
  27. 15:13Leveraging AR-15 Strengths
  28. 15:25Commonality of Parts & Ammo
  29. 15:32Cost-Effectiveness of AR-Based Bullpups
  30. 16:15Encouragement for Building Bullpups
  31. 16:30Comparison with Tavor & Desert Tech Limitations
  32. 17:30Cost of Other Bullpup Systems
  33. 18:19AR-15 Platform Advantage: Availability
  34. 18:30MSRP of Reap Chassis & Warranty
  35. 18:40Modifications and Ambi Mag Release
  36. 19:22Encouragement for Modification & Lifetime Warranty
  37. 19:54Durability and Modifiability of the Platform
  38. 20:11Owner's Background: Dairy Farmer
  39. 21:44First Iteration Impressiveness
  40. 22:51Limitation: Ambidextrous Ejection Port
  41. 23:15Prototype Solution for Left-Handed Shooters
  42. 23:33Considerations for Left-Handed Shooters
  43. 23:49Bufferless Systems & Law Tactical ARIC
  44. 25:25Building a Custom Bullpup
  45. 25:38Fascinating Upper: Unit Precision Bolt Action
  46. 26:19Unit Precision (Yuana) Brand Information
  47. 27:08Request for Bolt-Action Bullpup Video
  48. 27:21Video Game Inspiration (Ghost Recon)
  49. 28:21Praise for Alta Vision Content
  50. 29:50Conclusion: Reap Chassis for Prepared Citizens
  51. 30:32Final Thoughts on Reap Industries Lower
  52. 30:38Bullpup Concept Needs to Succeed on Merit
  53. 31:33Civilians Improving Weapon Platforms
  54. 31:41Encouragement to Train
  55. 31:56Testimony: Caleb's Faith Journey
  56. 35:52The Fallen World & Family Mission
  57. 37:10Quote: Kids Remember Time, Not Work
  58. 37:30Channel Philosophy: Family-Friendly Content
  59. 37:42Message for Those Feeling Lost
  60. 38:25Call to Action for Believers
  61. 39:07Guest's Channel: 12 Spies
  62. 39:16Honoring Christ's Sacrifice
  63. 39:2812 Spies Channel Focus
  64. 40:46Upcoming Topical Conversations
  65. 41:10Final Encouragement & Sign-off

Frequently Asked Questions

How can I convert my AR-15 into a bullpup?

You can convert your AR-15 into a bullpup using a specialized chassis system like the one from Reap Weaponries. This typically involves installing a trigger relocation kit and a polymer chassis that houses the AR-15's lower receiver and trigger mechanism, effectively moving the action behind the trigger.

What are the benefits of a bullpup AR-15 conversion?

The primary benefit is a significantly shorter overall firearm length while maintaining the barrel length of a standard AR-15. This improves maneuverability in confined spaces, such as vehicles or urban environments, without sacrificing ballistic performance.

Does a bullpup conversion require proprietary parts?

The Reap Weaponries chassis is designed to leverage common AR-15 parts, including the lower receiver, trigger, bolt, and gas system. This commonality simplifies maintenance, repair, and parts acquisition compared to fully proprietary bullpup firearms.

What is the cost of the Reap Weaponries bullpup chassis?

The Reap Weaponries bullpup chassis is priced under $500 and comes with a lifetime warranty, making it an accessible option for those looking to convert their AR-15 to a bullpup configuration.

Are there any limitations to AR-15 bullpup conversions?

A common limitation is the ejection port's position, which can be problematic for left-handed shooters. While some solutions are in development, standard AR-15 bullpup conversions may require modifications or specific upper receivers for ambidextrous functionality.

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