Calico Light Weapons System: Roller Delay and Helical Drums

Published on July 10, 2020
Duration: 20:18

This guide details the field stripping process for the Calico 9mm System, including both pistol and carbine variants. It covers the removal of the grip assembly and bolt group, emphasizing the importance of ensuring the firearm is unloaded prior to disassembly. The information is presented with the high authority of firearms expert Ian McCollum.

Quick Summary

The Calico 9mm System features a unique roller-delayed blowback action and high-capacity helical magazines, holding either 50 or 100 rounds. Developed in the mid-1980s, it aimed to provide significant firepower in a compact package, though it faced reliability concerns and market challenges due to regulations.

Chapters

  1. 00:00Introduction to Calico 9mm System
  2. 00:48Helical Magazine Innovation
  3. 02:21Pistol Features and Sights
  4. 04:12Controls and Ergonomics
  5. 06:05Disassembly and Field Stripping
  6. 07:37Roller Delay Mechanism
  7. 09:56Helical Magazine Internals
  8. 14:35Carbine Features and Accessories
  9. 16:55Market History and Reliability

Frequently Asked Questions

What is the primary operating mechanism of the Calico 9mm System?

The Calico 9mm System operates using a roller-delayed blowback action, similar to designs found in Heckler & Koch firearms. This mechanism uses rollers to delay the bolt's opening, ensuring safe cycling of the action.

How does the helical magazine for the Calico system work?

The helical magazine stores ammunition in a spiral track, guided by a follower. It can hold either 50 or 100 rounds of 9mm ammunition, providing a high-capacity solution in a relatively compact drum.

What were the main challenges faced by the Calico Light Weapons System?

The Calico system reportedly struggled with reliability issues, often attributed to improper magazine winding. Additionally, the 1994 Assault Weapons Ban, which limited magazine capacity, severely hampered its commercial appeal.

Where were Calico firearms manufactured?

Calico firearms, specifically the 9mm systems discussed, were manufactured in Bakersfield, California, USA, as indicated by markings on the receiver.

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