China Lake 40mm Grenade Launcher at the Range

Published on May 22, 2025
Duration: 0:59

This guide details the loading and firing procedure for the China Lake 40mm Grenade Launcher, as demonstrated by Ian McCollum of Forgotten Weapons. It highlights the weapon's similarity to a Remington 870 action for its pump mechanism and loading process. The demonstration includes practical range performance observations.

Quick Summary

The China Lake 40mm Grenade Launcher features a pump-action mechanism, similar to a scaled-up Remington 870, with a 3+1 capacity. Loading involves manually operating an elevator to feed 40mm rounds into the magazine tube. Range performance indicates accurate elevation but the need for windage adjustments.

Chapters

  1. 00:00Introduction & Firing Demo
  2. 00:09Action and Design Explained
  3. 00:20Loading Procedure
  4. 00:35Range Performance & Accuracy

Frequently Asked Questions

How is the China Lake 40mm Grenade Launcher loaded?

The China Lake 40mm Grenade Launcher is loaded by manually operating an elevator mechanism located at the bottom of the receiver. This elevator lifts the 40mm rounds into position to be fed into the magazine tube, allowing for a capacity of 3+1 rounds.

What is the action type of the China Lake 40mm Grenade Launcher?

The China Lake 40mm Grenade Launcher operates with a pump-action mechanism. It is noted to be essentially a scaled-up version of the Remington 870 action, sharing similar functional principles for cycling and loading.

What are the key performance aspects of the China Lake 40mm Grenade Launcher observed in the video?

During range testing, the China Lake 40mm Grenade Launcher demonstrated accurate elevation but required windage adjustments for precise targeting. The video also shows the impact of 40mm practice rounds creating marking powder clouds.

What type of ammunition is shown being used with the China Lake 40mm Grenade Launcher?

The video demonstrates the use of blue 40mm practice grenades. These rounds are designed for training and safety, producing a visible puff of marking powder upon impact to confirm hits on the target.

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