Krebs Custom Tour

Published on July 13, 2012
Duration: 15:30

This video provides an in-depth look at the custom AK rifle building process at Krebs Custom. It details the extensive modifications performed on base AK platforms to enhance reliability, accuracy, and ergonomics. Key processes include moving the trigger group, welding and smoothing receiver modifications, straightening sights and gas blocks, custom barrel work, and meticulous trigger component polishing. The tour also highlights prototype development and the rigorous quality control measures employed.

Quick Summary

Krebs Custom transforms AK rifles through meticulous gunsmithing, including moving the trigger group, straightening sights and gas blocks for accuracy, and polishing trigger components for a glass-like break. They also offer custom enhancements like extended mag wells and Galil-style safety levers, all backed by a comprehensive quality control checklist.

Chapters

  1. 00:09Introduction with Mark Krebs
  2. 00:20How Mark Krebs Got into Building AKs
  3. 01:31AK Platform Accuracy Expectations
  4. 02:00The Role of Shop Technicians
  5. 02:15Evolving Product Lines and Innovations
  6. 02:24Impressive Accuracy Example: Socom 308
  7. 02:51What You Get for Your Money: Custom Rifle Build
  8. 03:12Base Rifle Stripped Down
  9. 03:22Trigger Guard and Receiver Modifications
  10. 04:00Trigger Group Relocation
  11. 04:15Magazine Release and Catch Oversizing
  12. 04:31Importance of Feed Ramps
  13. 04:40Straightening Rear Sight Support Towers
  14. 05:03Front Sight Post and Gas Block Alignment
  15. 05:33Barrel Work and Front Sight Modification
  16. 05:54AR Threading for Muzzle Devices
  17. 06:10Custom Front Sight Gas Block
  18. 06:19K Model: Front Sight Moved Back
  19. 06:26Blind Pinned Muzzle Device Installation
  20. 06:43Finishing Process: Sandblasting and Painting
  21. 07:14Custom Speedload Rifle with Mag Well
  22. 07:29Magni-Jack System
  23. 07:40Mark 6 Safety Lever
  24. 07:47Enhanced Quad Rails and Scope Mounts
  25. 08:00Prototype Weapons on Display
  26. 08:20Gas TRP Gun Prototype
  27. 08:56Sig 550/56 Extended Safety
  28. 09:12Hydraulic Dampener Prototype
  29. 09:29First Successful 6.5 Prototype
  30. 09:396.5 Prototype for AR Mags
  31. 10:01KT3 Production Model
  32. 10:12One-Off Prototype with Wood Stock
  33. 10:416.5 Rifle Adapted to AR Mags
  34. 11:01103 Production Item
  35. 11:16CNC Machine in Action
  36. 11:43Galil Style Safety Lever
  37. 11:57Attention to Detail: Receiver Relief Cut
  38. 12:13Trigger Polishing and Recutting
  39. 12:43Disconnector Polishing
  40. 12:48Hammer Comparison: Standard vs. Krebs
  41. 13:04Impact of Trigger Work
  42. 13:10Quality Control Checklists
  43. 13:47Quality Control Process with Sean
  44. 13:55SAA 12 Gauge Shotgun QC Checklist
  45. 14:04Bolt Tracks Freely Check
  46. 14:07Safety Tension Check
  47. 14:16Safety Function Check
  48. 14:18Grip Tightness Check
  49. 14:23Rear Sight Peep Aperture Check
  50. 14:29Trigger Pull and Release Check
  51. 14:42Overall Fit and Finish Check
  52. 14:49Conclusion and Shop Tour Recap

Frequently Asked Questions

What are the key modifications Krebs Custom performs on AK rifles?

Krebs Custom performs extensive modifications including moving the trigger group forward, welding and smoothing receiver imperfections, straightening sights and gas blocks for accuracy, and custom barrel work. They also enhance reliability with features like feed ramps and oversized magazine catches.

How does Krebs Custom improve AK rifle accuracy?

Accuracy is improved by meticulously straightening the rear sight support tower, front sight post, and gas block to ensure perfect alignment. This process guarantees the front sight appears centered, leading to more consistent shooting and tighter groups.

What is involved in the trigger enhancement process at Krebs Custom?

Krebs Custom significantly enhances AK triggers by polishing all components, including the hammer, sear surfaces, and trigger hook. The sear surface is often recut for a perfect engagement, resulting in a smooth, glass-like break.

What quality control measures does Krebs Custom implement?

Krebs Custom employs a rigorous quality control checklist for every rifle. This includes detailed checks of bolt function, safety tension, trigger pull, fit, and finish, with completed checklists maintained for years to ensure consistent build quality.

Can Krebs Custom adapt AKs to use AR-style magazines?

Yes, Krebs Custom has developed prototypes and custom builds that adapt AK platforms to accept AR magazines. This often involves significant receiver modifications and custom magazine well integration.

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