How to Remove the Stripper Clip Boss from a Mauser Action | MidwayUSA Gunsmithing

Published on October 9, 2017
Duration: 1:30

This guide details the process of removing the stripper clip boss from a Mauser rifle action, a common customization for enabling the use of commercial scoped bases. Expert instructor Larry Potterfield of MidwayUSA demonstrates how to achieve this modification using only basic hand tools. The procedure involves careful material removal with a grinder and files, followed by finishing with a honing stone and precise fitting of scope bases.

Quick Summary

To remove the stripper clip boss from a Mauser rifle action for scoped base installation, secure the receiver level in a fixture. Use a hand grinder with a coarse sanding drum for initial material removal, then refine with a mill bastard file. Finish the surface with an India stone and honing oil, and finally lap the fitted scope bases for a perfect fit.

Chapters

  1. 00:05Introduction to Mauser Customization
  2. 00:12Hand Tool Removal Method
  3. 00:17Benefit: Scoped Base Compatibility
  4. 00:23Receiver Preparation
  5. 00:28Initial Material Removal (Grinder)
  6. 00:33Intermediate Filing
  7. 00:39Finishing with Honing Stone
  8. 00:45Scope Base Fitting
  9. 00:56Checking Base Levelness
  10. 01:01Lapping for Final Fit
  11. 01:11Tool Summary (Hand Tools Only)
  12. 01:17Conclusion

Frequently Asked Questions

What is the primary reason for removing the stripper clip boss on a Mauser rifle?

The main purpose of removing the stripper clip boss from a Mauser rifle's rear bridge is to allow for the proper installation of commercial Mauser scoped bases, facilitating the mounting of modern optics.

What tools are needed to remove the stripper clip boss from a Mauser action?

According to MidwayUSA's demonstration, the stripper clip boss can be removed using basic hand tools including a hand grinder with a coarse sanding drum, a mill bastard file, and an India stone with honing oil.

How is the receiver prepared before removing the stripper clip boss?

Before commencing material removal, the Mauser receiver must be securely held in a fixture and ensured to be perfectly level to guarantee accurate and safe modification.

What is the final step after removing material from the stripper clip boss?

After material removal and finishing, the fitted scope bases are lapped using cloth-backed abrasive material. This ensures fine adjustments and a perfect mating surface for optimal optic stability.

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