How to Load Ammunition for a Martini Rook Rifle in 300 Rook | MidwayUSA Reloading

Published on February 14, 2014
Duration: 4:34

This video details the process of handloading ammunition for the Martini Rook Rifle in .300 Rook caliber. It covers casting 80-grain lead bullets using a 20:1 alloy, preparing and priming brass cases, and charging with either black powder or Alliant Unique smokeless powder. The presenter emphasizes seating bullets to the crimp groove and removing the case bell for single-shot accuracy.

Quick Summary

Reloading .300 Rook ammunition for a Martini Rook Rifle involves casting 80-grain lead bullets from a 20:1 alloy, sizing them to .300 inch. Prepare cases by expanding the mouth, prime with small rifle primers, and charge with Alliant Unique powder or original black powder loads.

Chapters

  1. 00:00Intro: Martini Rook Rifle & .300 Rook Cartridge
  2. 00:26Historical Load Data & Rifle Action
  3. 01:22Casting and Sizing .300 Rook Bullets
  4. 02:38Case Preparation and Priming
  5. 03:17Powder Charging and Bullet Seating

Frequently Asked Questions

What are the original specifications for .300 Rook ammunition?

Original .300 Rook cartridges were typically loaded with 10 grains of black powder and an 80-grain lead bullet. These rifles were designed for small game hunting.

How do you cast bullets for a Martini Rook Rifle?

For the .300 Rook, you should cast 80-grain bullets, usually from a 20:1 lead-tin alloy, and size them to a .300 inch diameter. Lubrication with a product like SPG lube is recommended.

What powder is used for reloading .300 Rook cartridges?

While originally loaded with black powder, modern smokeless powders like Alliant Unique can be used. Careful measurement of the charge is crucial for safety and accuracy.

What is the significance of the Martini Rook Rifle's action?

The Martini Rook Rifle features a scaled-down Martini-Henry action, similar to the .310 Cadet rifle, but distinguished by its side-mounted cocking indicator instead of one on top.

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