Sporterizing the Mosin Nagant Part 8- Drilling and Tapping for the Rock Solid Mount

Published on December 19, 2010
Duration: 10:48

This video details the precise process of drilling and tapping a Mosin Nagant receiver for a Rock Solid scope mount using a Forster Products jig. Key steps include using a #21 drill bit with cutting oil, tapping with a 10-32 tapered tap, and carefully measuring depth to avoid the chamber. The process emphasizes accuracy and chip management for a secure mount.

Quick Summary

The Mosin Nagant receiver is drilled and tapped for a Rock Solid scope mount using a Forster Products jig. A #21 drill bit and 10-32 tap are used, with cutting oil essential during drilling. Precise depth measurement with dial calipers is critical to avoid chamber damage.

Chapters

  1. 00:00Introduction to Drilling Jig
  2. 00:47Drilling the First Hole
  3. 02:31Tapping the First Hole
  4. 03:38Setting Up the Second Hole
  5. 06:11Precision Depth Measurement
  6. 08:58Deburring and Chamfering
  7. 09:50Bore Sighting

Frequently Asked Questions

What jig is used for drilling and tapping a Mosin Nagant scope mount?

The video uses a Forster Products drilling jig, which is a precise fixture designed for drilling holes for scope bases and sights on rifle receivers like the Mosin Nagant.

What tap size and drill bit are needed for the Rock Solid mount on a Mosin Nagant?

For the Rock Solid mount, a #21 drill bit is used for drilling, followed by a 10-32 tapered tap for threading the holes in the Mosin Nagant receiver.

How do you ensure accurate drilling and tapping for a scope mount?

Accuracy is achieved by using a specialized drilling jig, maintaining the jig's position between drilling and tapping, and using precision tools like dial calipers for depth measurement.

What is crucial when drilling near the Mosin Nagant chamber?

It is crucial to precisely measure the drill depth using dial calipers to avoid penetrating too deep and damaging the rifle's chamber, which could render the firearm unsafe.

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