Quão precisa é minha espingarda 9mm?

Published on December 27, 2025
Duration: 1:54

This video demonstrates the accuracy of 9mm Full Metal Jacket ammunition when fired from a 12-gauge shotgun using a specific adapter. The presenter highlights the challenges of projectile stabilization and potential safety concerns due to the adapter's design and rifling. While a tight group was achieved in one instance, the overall conclusion is that 9mm fired from a shotgun is generally inaccurate.

Quick Summary

Firing 9mm ammunition from a 12-gauge shotgun, even with an adapter, is generally inaccurate. The adapter's design, often featuring a short, lightly rifled barrel with play, hinders projectile stabilization, leading to unpredictable flight paths and poor group sizes. While a tight group might be achieved occasionally, it's not a reliable outcome.

Frequently Asked Questions

Can you accurately shoot 9mm from a shotgun?

Generally, no. Firing 9mm ammunition from a 12-gauge shotgun, even with an adapter, results in significant inaccuracy. Factors like projectile stabilization, adapter design, and barrel rifling play a crucial role, often leading to unpredictable flight paths and poor group sizes.

What are the risks of firing 9mm from a shotgun?

Firing 9mm from a shotgun without proper conversion can be inaccurate and potentially dangerous. Issues like projectile tumbling, the adapter's design (short, lightly rifled barrel, play), and the inability to use such adapters in semi-automatic shotguns highlight potential safety concerns.

How does a 9mm to 12-gauge shotgun adapter work?

A 9mm to 12-gauge shotgun adapter typically slides into the chamber where a 12-gauge shell would normally go. It allows a 9mm cartridge to be loaded and fired through the shotgun's barrel. However, the design of these adapters, often with short, lightly rifled barrels, significantly impacts accuracy.

What factors affect the accuracy of 9mm fired from a shotgun?

Several factors affect the accuracy, including the adapter's design (barrel length, rifling quality, and fit), the stabilization of the 9mm projectile as it travels through the shotgun barrel, and the inherent differences between a handgun/PCC barrel and a shotgun barrel.

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