From the Vault: The Incredible Lightning Link

Published on July 16, 2021
Duration: 2:58

This expert guide details the installation and function of the SWD Lightning Link, a device that converts AR-15 platforms to full-auto fire. The video, presented by Brownells and featuring experts from Rock Island Auction Company, explains the device's mechanism, its NFA-registered status, and its historical context. It emphasizes the legal implications and current high value of these pre-1986 machine gun conversion devices.

Quick Summary

The SWD Lightning Link is a rare, NFA-registered machine gun conversion device for AR-15 platforms. It functions by interacting with the rifle's disconnector to enable full-auto fire. Legal possession requires proper ATF registration, as new machine guns cannot be registered for civilian ownership since the 1986 ban, making these devices valuable ($10k-$15k).

Chapters

  1. 00:00Introduction at Rock Island Auction
  2. 00:25The SWD Lightning Link
  3. 00:47Mechanism and History
  4. 01:08Current Value and Legality
  5. 01:35Warnings and Versatility

Frequently Asked Questions

What is an SWD Lightning Link?

The SWD Lightning Link is a device that converts AR-15 style rifles to fire in full-automatic mode. It's a two-piece sheet metal component that interacts with the rifle's fire control group. Importantly, it is an NFA-registered machine gun.

How does the SWD Lightning Link work?

The Lightning Link drops over the AR-15's disconnector. When the bolt carrier returns after firing, it strikes the link, which then pulls the disconnector, causing the hammer to fall and fire the next round, enabling automatic fire.

Are SWD Lightning Links legal?

Yes, SWD Lightning Links are legal if they are properly registered with the ATF as machine guns. They were manufactured and registered before the 1986 ban on new machine gun registrations for civilians. Unregistered or 'pre-formed' links are illegal.

How much does an SWD Lightning Link cost?

Due to their rarity and NFA registration status, registered SWD Lightning Links are highly valuable, with estimated prices ranging from $10,000 to $15,000. Their value is driven by the prohibition of new machine gun registrations for civilians since May 1986.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from Brownells, Inc.

View all →