Are These Heckler & Koch Rifle Upgrades Worth It? | HK MR556 Modifications & Upgrades

Published on April 17, 2020
Duration: 8:54

Colion Noir details his HK MR556 SBR build, aiming for an HK416 clone. He evaluates various upgrades, highlighting the Geissele rail and trigger for improved ergonomics and performance. While some parts like the Steiner DBAL-A3 were removed for weight, others like the SureFire light and Magpul sights offer functional benefits despite their cost.

Quick Summary

Colion Noir upgraded his HK MR556 SBR with a Geissele Super Modular Rail for better ergonomics and a Geissele trigger for a cleaner break. He also added a SureFire M300 light and Magpul MBUS PRO sights, while removing the Steiner DBAL-A3 laser due to added weight.

Chapters

  1. 00:00Intro: HK MR556 SBR Build
  2. 01:40Rail Upgrade: Geissele Super Modular Rail
  3. 02:17Stock Upgrade: HK Slim Line Stock
  4. 02:35Laser Evaluation: Steiner DBAL-A3
  5. 03:34Suppressor: SilencerCo Saker 556K
  6. 04:11Trigger Upgrade: Geissele HK MR556 Trigger
  7. 05:44Light: SureFire M300 Mini Scout Light
  8. 06:06Grip: Troy Modular Combat Grip
  9. 06:35Sling: Haley Strategic D3 Sling
  10. 06:48Sights: Magpul MBUS PRO
  11. 07:26Charging Handle: Raptor

Frequently Asked Questions

What are the key upgrades Colion Noir made to his HK MR556 SBR?

Colion Noir upgraded the rail to a Geissele Super Modular Rail, the trigger to a Geissele HK MR556 specific model, and added a SureFire M300 light. He also evaluated the HK Slim Line Stock, Steiner DBAL-A3 laser, SilencerCo Saker 556K suppressor, Troy grip, Haley sling, Magpul MBUS PRO sights, and Raptor charging handle.

Which rail system did Colion Noir install on his HK MR556?

He replaced the original quad rail with the Geissele Automatics Super Modular Rail. This upgrade significantly improved the rifle's ergonomics and gave it a more modern, streamlined appearance.

How does the Geissele trigger compare to the stock HK MR556 trigger?

Colion Noir describes the stock trigger as a high-end soundbar, while the Geissele HK MR556 trigger is like audiophile-grade speakers, indicating a much cleaner and superior break with the Geissele upgrade.

Did Colion Noir keep all the accessories he initially added to the MR556?

No, he removed the Steiner DBAL-A3 laser because it added unnecessary weight to the front of the rifle, despite initially adding it for looks. He also planned to switch from an aluminum grip to a polymer one to reduce weight.

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