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Questions & Answers
Will this trigger work in a HK MR556? Expert Answer

Yes these Wilson Combat triggers should also fit the HK MR556.

by Armando R., Gear Expert, March 1, 2020
will this trigger work with a short throw 45 degree safety? Expert Answer

The Wilson Combat AR-15 Tactical Trigger Unit should work fine with a 45 degree safety. However, since they don't specifically state whether or not its compatible I recommend contacting the manufacturer in regards to the compatibility of the Wilson Combat AR-15 Tactical Trigger Unit with a Short Throw Safety.

by Hunter, Gear Expert, October 3, 2022
Customer Reviews
Helpful Positive Review
Best. Trigger. Ever!!! by ThatGuy, Verified Owner, September 15, 2022
I have tried a ton of triggers...the TTU is hands down the best feeling trigger...and that reset is just the best. You can really get this thing going...the 3G is a "short" 2-stage setup...it kind of rolls but man can you ride that reset. Very good...
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3/3 found this helpful
Helpful Positive Review
TTU-M2 Two Stage is an amazing drop in trigger! by Jon, Verified Owner, September 4, 2021
I also like the G and LaRue triggers and they are still among some of the best...The Wilson Combat TTU-M2 Two Stage trigger is my go to tactical, dmr, hunting triggers, is one of the shortest, and very crisp triggers with true zero creep! Trust me, I...
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7/7 found this helpful
Helpful Positive Review
good practical trigger by c, Verified Owner, April 12, 2023
This has been a great trigger for practical uses. I honestly don't want a much lighter trigger on a gun I will carry and train with. This isn't a trigger for a bench gun but that's why it's called a TACTICAL trigger. I like two stage trigger groups a...
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2/2 found this helpful
Helpful Positive Review
Wilson Combat TTU-H2 by Srqco, November 15, 2023
This trigger is crisp with great take up, a definite wall and no creep after hitting the wall. The trigger reset is equally good. Highly recommend for a tactical trigger. That being said, this is not a precision rifle trigger. You have to know what y...
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2/2 found this helpful
Helpful Positive Review
Sweet trigger by Wick, October 22, 2018
Very nice trigger, I have Various Geissele and Timney triggers and I have the Wilson combat TTU M2 on my HK MR556 Build, the obvious is that it’s a contained unit so easy to install which is cool however that’s beside the point. I really like the fi...
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15/15 found this helpful
Helpful Positive Review
Excellent Trigger by blues, Verified Owner, May 21, 2016
Excellent trigger. Straightforward installation (though depending upon your original trigger, the safety may or may not need to be removed). Very crisp action on the trigger with no noticeable take-up or creep. The break at 4# is very clean. See t...
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5/5 found this helpful
Read All 40 Reviews

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Product Info for Wilson Combat AR-15 Tactical Trigger Unit

Fans of the Wilson Combat AR-15 Tactical Trigger have raved about how this trigger is crisper and has zero creep. Installation is quick and easy and does not require any fine-tuning. If you're looking to update your AR-15, you can not go wrong with one of these AR Triggers from Wilson Combat.image

Specifications for Wilson Combat AR-15 Tactical Trigger Unit:

Manufacturer: Wilson Combat
Trigger Material: H13 Steel
Gun Make: AR Platform
Gun Model: AR-15
Gun Type: Rifle
Included Accessories: Standard
Condition: New

Features of Wilson Combat AR-15 Tactical Trigger Unit:

  • Exclusive Wilson Combat engineering has created a truly drop-in trigger unit with an ultra-crisp trigger pull that does not require any fine-tuning or adjustment by the end-user
  • Installation is simple and just takes one minute.
  • No adjustment screws to ever shoot loose
  • No loose parts to misplace; the TTU is a self-contained trigger module.
  • All components are precision CNC machined and/or EDM cut from solid bar stock.
  • Hammer, trigger, and disconnector are manufactured from virtually indestructible H13 Steel and heat-treated for maximum wear resistance.
  • Hammer, trigger, and disconnector pivot on hardened steel bushings, so no wear or stress is imparted on your receiver pin holes or pins.
  • A positive trigger reset guarantees a quick follow-up shot on target.
  • The unique hammer geometry enhances reliable ignition with military and surplus ammunition of all types.
  • Wilson Combat's exclusive 1911 style half-cock notch makes the TTU the safest AR trigger on the market and allows the TTU to meet or exceed military specifications for drop safety.
  • Bulletproof design is engineered and extensively tested by shooters for shooters.
  • The tactical trigger unit has raised the bar in AR trigger design and function.

Package Contents:

  • Wilson Combat AR-15 Tactical Trigger Unit

Wilson Combat AR-15 Tactical Trigger Unit Orderable Models

List of Orderable Models

  • Wilson Combat Tactical Trigger Unit, 3-Stage, AR-15 Platform, 3.5 - 4 lb Pull Weight, Black, TR-TTU-3G , MPN: TR-TTU-3G , UPC: 874218006532 , Code: C0-ART-WCUFT-TR-TTU-3G
  • Wilson Combat Tactical Trigger Unit, 2-Stage, AR-15 Platform, 4 lb Pull Weight, Gray, TR-TTU-M2 , MPN: TR-TTU-M2 , UPC: 874218005146 , Code: C0-ART-WCUFT-TR-TTU-M2
  • Wilson Combat Tactical Trigger Unit, 2-Stage, AR-15 Platform, 4.5 - 5 lb Pull Weight, Black, TR-TTU-H2 , MPN: TR-TTU-H2 , UPC: 874218009182 , Code: C0-ART-WCUFT-TR-TTU-H2
  • Wilson Combat Tactical Trigger Unit, Single Stage, AR-15 Platform, 4 lb Pull Weight, Black, TR-TTU , MPN: TR-TTU , UPC: 874218005054 , Code: C0-ART-WCUFT-TR-TTU
  • Wilson Combat Tactical Trigger Unit, Single Stage, AR-15 Platform, 5 - 5.75 lb Pull Weight, Gray, TR-TTU-MIL , MPN: TR-TTU-MIL , UPC: 874218005139 , Code: C0-ART-WCUFT-TR-TTU-MIL

Wilson Combat AR-15 Tactical Trigger Unit Unavailable & Discontinued Models

List of Unorderable Models

  • USED Wilson Combat Tactical Trigger Unit, Single Stage, AR-15 Platform, 4 lb Pull Weight, Black, TR-TTU, EDEMO5, Condition Parts Only/Salvage, Defective , MPN: TR-TTU-EDEMO5 , Code: C0-ART-WCUFT-TR-TTU-EDEMO-DF-F
  • USED, Wilson Combat Tactical Trigger Unit, Single Stage, AR-15 Platform, 4 lb Pull Weight, Black, TR-TTU , MPN: TR-TTU-EDEMO , Code: C0-ART-WCUFT-TR-TTU-EDEMO-OT-U
  • DEMO, Wilson Combat Tactical Trigger Unit, 2-Stage, AR-15 Platform, 4.5 - 5 lb Pull Weight, Black, TR-TTU-H2-DEMO , MPN: TR-TTU-H2-DEMO , Code: C0-ART-WCUFT-TR-TTU-H2-DEMO
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