Star Z-70B: Spain's Improved SMG

Published on August 4, 2018
Duration: 7:17

This guide details the operation and handling of the Star Z-70B submachine gun, based on expert Ian McCollum's demonstration. It covers loading, firing in semi-automatic and full-automatic modes, and crucial techniques for managing muzzle climb. The guide also touches upon a specialized close-range technique with the stock folded, emphasizing the importance of proper stock use for accuracy.

Quick Summary

The Star Z-70B submachine gun operates via an open bolt, blowback action and fires 9mm Parabellum. Expert Ian McCollum notes its significant muzzle climb during full-auto fire, requiring downward pressure on the front grip due to its cantilevered folding stock. It differs from the Z-62 by using a standard trigger and selector.

Chapters

  1. 00:00Introduction: Star Z-70B
  2. 00:52Selector Switch and Action
  3. 01:54Stock Deployment and Firing
  4. 02:41Bolt Cycling and Ejection
  5. 05:51Stock Retraction

Frequently Asked Questions

What are the key differences between the Star Z-70B and the earlier Z-62?

The Star Z-70B features a standard trigger and selector switch, unlike the Z-62's progressive two-finger trigger. Additionally, the Z-70B was chambered in 9mm Parabellum for better export potential, whereas the Z-62 primarily used 9mm Largo for the Spanish military.

How does the Star Z-70B handle during full-automatic fire?

The Z-70B exhibits significant muzzle climb due to its cantilevered folding stock design. Shooters must apply firm downward pressure on the front of the gun to maintain control during bursts.

What caliber does the Star Z-70B fire?

The Star Z-70B is chambered in 9mm Parabellum. This caliber was chosen to improve its export marketability compared to the 9mm Largo used in the earlier Z-62 model.

What is the action type of the Star Z-70B?

The Star Z-70B operates with an open bolt, blowback action. This means the bolt remains open until the trigger is pulled, and the cycling is powered by the rearward force of the spent cartridge casing.

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