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Questions & Answers
will this fit on the MCX Virtus? Expert Answer

Yes, the Geissele 05659 Super MCX SSA Flat Bow AR Style Steel trigger will fit and function as intended with the Sig MCX Virtus.

by Ethan, Gear Expert, November 28, 2022
Will this fit/function in an AR lower? I need it for the SIG SUR300 suppressed upper kit, which adapts the mcx upper to a standard AR lower. Expert Answer

Yes, this should work with an MCX upper on an AR-15 lower.

by Ethan C., Gear Expert, October 16, 2019
Customer Reviews
Helpful Positive Review
amcxtrigger by stupido, November 23, 2018
It has more take up than i prefer but with a mcx there are not many choices where sig will still warranty the gun. When it breaks it is fairly crisp. For regular ar builds i would recommend a elftmann. Breaks like glass
1/1 found this helpful
Helpful Positive Review
best trigger in the market, on my 4th one by 11BGrunt, Verified Owner, February 12, 2020
Best 2 stage combat trigger. zero creep, crisp break. Even though it’s rated at 4,5Lbs being 2 stage you’ll only feel the last 2-3lbs. I run CMC, Franklin, Timney, Sig Match Duo to name a few amongst many other triggers & this is the only trigger I r...
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4/4 found this helpful
Most Recent Reviews
great trigger…but… by thewolf, Verified Owner, November 22, 2022
This is an absolutely amazing trigger. Best on the market although there isn’t much competition for the sig mcx virtus specifically. When I installed this on a PSA mil spec lower the trigger would not reset out of the box. Yes it was installed corre...
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Most Recent Reviews
Great replacement trigger by Drew, November 15, 2018
Great replacement option over the stock trigger. Much lighter with a crisp break. The flat trigger has a good feeling. Makes shooting my mcx so much nicer. Can't wait to test it during predator season this year. Worth every penny.
Read All 4 Reviews

Product Discontinued by Manufacturer

Geissele 05659 Super MCX SSA Flat Bow AR Style Steel 05-659 has been discontinued by Geissele and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, Rifle Triggers, AR15 Lower Parts, AR Triggers yourself to try and find the perfect replacement for you!

Product Info for Geissele 05659 Super MCX SSA Flat Bow AR Style Steel 05-659

Geissele Automatics 05659 Super MCX SSA Flat Bow AR Style Steel - The Super MCX SSA was designed as a high performance, combat inspired two stage trigger. Derived from Geissele CRANE Safety Certified M4 carbine trigger, the Super Semi-Automatic (SSA), the Super MCX delivers all the same performance, reliability, safety and forgiveness features that the SSA possesses. The Super MCX is a 4.5lb, non-adjustable, two stage trigger that provides the shooter with precise and accurate trigger control.image

Specifications for Geissele 05659 Super MCX SSA Flat Bow AR Style Steel 05-659:

Mfg Item Num:  05-659
Supplier SKU:  45702
Category:  FIREARM PARTS
Finish:  Black/Silver
Type:  Trigger
Model:  AR Style
Material:  Steel
Trigger:  4.5 lb

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Geissele 05659 Super MCX SSA Flat Bow AR Style Steel 05-659 Unavailable & Discontinued Models

List of Unorderable Models

  • Geissele 05659 Super MCX SSA Flat Bow AR Style Steel 05-659 , MPN: 05-659 , UPC: 817953022931 , Code: 1TO-ART-05-659
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