Geissele SSA-E

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Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger- 05-160


Quick Overview

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SKU: 1559
UPC: 854014005038
MFR#: 05-160
  • Type: 2 Stage
  • 1st Stage Weight: 2.3lbs.
  • 2nd Stage Weight: 1.2lbs.
  • Total Pull Weight: 3.5lbs.
  • Adjustable: No
  • Recommended Use:  Target Shooting, Precision Shooting
  • Pin Size: Mil-Spec
  • Trigger Bow Type: M4 Curved
  • Weapon Platform: AR15/AR10

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Built on the chassis of the Geissele SSA, the Super Semi-Automatic Enhanced (SSA-E) provides enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of the combat-proven two-stage trigger. The SSA-E’s reduced first and second stage pull weights result in a trigger with a smooth, light first stage take-up and a crisp, candy cane-like second stage break.

It has a simple design similar to the original M16 trigger.  There are no adjustment screws to come loose and all springs are captive, they will not get lost during disassembly.  The entire trigger can be disassembled for cleaning and can be installed without removing the safety.

The SSA-E is ideal for use in precision Squad Designated Marksman type rifles where weapon accuracy and reliability are critical and a non-adjustable drop in trigger is desired.

SKU: 1559
SKU 1559
Brand Geissele
Daily Deal No
Daily Deal Expires No
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Free Shipping? Yes
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Free Shipping Qty No
SKU: 1559

Questions and Answers

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Browse 21 questions Browse 21 questions and 98 answers
Would this every work with a 7.62x39 build, planned on a plain jane lower build kit. Already ordered a wolf heavy spring. But would love s touch more refined trigger. Any suggestions?
Nis L on May 5, 2018
BEST ANSWER: Yes. For this build to work the firing pin needs to be 24 thousandths linger for Russian ammo
Is this trigger the same as a binary trigger ?
John S on May 27, 2018
BEST ANSWER: No, the Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger is a two stage trigger, not a binary trigger.
Will this fit in the Palmetto State 308 PA-10 lower?
D W on Jul 8, 2018
BEST ANSWER: Yes it should.. I have put several geissele triggers into both pa-10 & pa-15 lowers, never had any issues.
will this Geissele SSA-E trigger work smoothly on a psa ar9 using their ramped BCG?
Paul on Jul 4, 2018
Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger- 05-160
Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger- 05-160
Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger & PSA MOE ACS-L Lower Build Kit w/out FCG
Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger & PSA MOE ACS-L Lower Build Kit w/out FCG
BEST ANSWER: You shouldn't have any trouble fitting that trigger
Would this work in a large pin colt? Or do they have one that will. Thank you
Bob A on Jul 4, 2018
BEST ANSWER: No it will not. This is a .154" small pin. You need a .174 large pin. Just Google search geissele large pin trigger. This is a phenomenal trigger by the way.
Will this fit my DD M4A1?
Patrick K on Jul 16, 2018
BEST ANSWER: You should be fine. Geissele states on their site that their triggers will fit all mil spec lowers. I have eight and have never had an issue. This is my favorite trigger by far.
Does anyone have this in a pa10 gen 2?
sean r on Jul 16, 2018
BEST ANSWER: I have a SSA-E trigger in a PA10 gen 2. Works like it should, the same as if it were in a AR 15.
Will this fit in a Aero Precision lower?
MARC M on Dec 22, 2018
BEST ANSWER: Marc, I have his same trigger in three different manufacturer's lowers (S&W, Ruger, and TCT). All work brilliantly! By the way, this price is unbelievable, I paid the 240 or so. So if the lower is within normal factory specs (the holes for the pins), I see no reason why it would not fit and function.
Carry on smartly, Bruce
With this trigger how many’s shots will fire off of one complete pull?
Jeff M on Dec 28, 2018
BEST ANSWER: Only one round will fire. It's a two stage meaning there is a short / light Paul of about 2 pounds to take up the slack and then it will stop until you increase the pull of your finger about 1 more pond for a nice clean break. This is one great trigger and worth every penny. It is amazing how much more accurate you are with a good trigger like this
Will this fit an Anderson Arms lower?
Ramiro E on Jul 16, 2018
BEST ANSWER: I have had experience with Anderson lowers but I didn’t use this trigger. But based on experience I see no reason why it wouldn’t work. I have use other Geissele triggers with Anderson lowers with no issue. I don’t think you’ll have a problem with this trigger either.
Will this trigger fit DPMS ar10 308 bull barrel?
Catfish on Nov 24, 2018
BEST ANSWER: its best to go to geisele's website for the correct application. then back to PSA for the good deal if it fits
Will this work in my bcm ar15 and spike tactical ar15?
Gary C on Jul 16, 2018
BEST ANSWER: Yes it will
Will it work with a Saint?
Louis S on Dec 21, 2018
BEST ANSWER: It works with all mill spec lower receiversEnter an answer to this question.
What is the difference between this trigger and the SSA ?
Michael H on Nov 23, 2018
BEST ANSWER: Of these two-stage triggers the largest difference is the break. SSA breaks like a carrot (some give) and SSA-E breaks like an icicle (crisp). I am very satisfied with the break of SSA-E and would highly recommend its use in a precision rifle build.
Will this work with an AR-9?
Jgriffin on Nov 23, 2018
BEST ANSWER: Yes it will, but it might have too strong of a strike and snap the firing pin. (happened to my NFA AR9)
Will this trigger work in a smith & wesson m&p 10? Thx.
John S on Jul 28, 2018
BEST ANSWER: If the holes are matched up in same area. They trigger group pins are 5/32. Take a pair of calipers and measure the distance on a standard ar-15 then measure your mp-10
Will this fit in a sig 716 patrol rifle? (AR-10)
T T on Nov 9, 2018
BEST ANSWER: Yes, but I would recommend the SSA trigger instead. The SSA-E is so sensitive that with the recoil of the 716 it will sometimes bump fire.
Can it ship to California?
John H on Dec 23, 2018
BEST ANSWER: I do not believe CA restricts semi-auto AR-15 triggers so they should ship it to CA. Add it to your cart and checkout. PSA will inform you if there is an issue shipping it to your state.
will this trigger fit the freedom ordinance fx-9 pistol?
mike g on Nov 23, 2018
BEST ANSWER: it will not. however, there are certain CMC Triggers that will work
Do you have a trigger this style to fit a Veper 12 ?
LISA B on Sep 1, 2018
BEST ANSWER: I do not believe any company produces a 2-stage trigger for the Vepr 12. As you probably are aware ALG Defense makes a line of Vepr 12 triggers and none of them are 2-stage to my knowledge.
Will this fit my Ruger AR-556? Is it a noticeable improvement over my stock trigger?
Ken S on Dec 21, 2018


5.0 / 5.0
156 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Nice trigger
See Title! Easy to install
January 16, 2019
7 months ago
It’s my Gold Standard of triggers
I’ve used quite a few triggers in my builds and the SSA-E is all I ever use now. For the money, it’s simply the best available.
January 13, 2019
1 month ago
Geissele Super Semi Awesome Trigger!!
I’m not a fan of 2-stage triggers, but this trigger is by far the best trigger upgrade I have found for an AR. I didn’t think an AR trigger could be better than a CMC, but this one is. I’ll be using this trigger for all my builds in the future.
January 13, 2019
3 weeks ago
Great up grade plan on buying a few more for my other rifles
January 9, 2019
2 months ago
Excellent Trigger
I bought one, then I bought another, and I’ll probably keep buying them. Do it- you’ll be glad you did
January 8, 2019
2 months ago
Fantastic, I can now begin to truly sight in my AR 10. Trigger has terrific feel.
January 8, 2019
2 months ago
Best bang for the buck!
Single best improvement you can make on a stock Ar. smooth, as butter feel, faster reset, Increased accuracy. Highly recommend this upgrade...
January 5, 2019
What can say about these them. A huge improvement over the stock mil-spec set up. Crisp, clean breaks, resets perfectly. I have 4 of these now in my rifles.
January 4, 2019
7 months ago
They are a great trigger for the money
December 31, 2018
2 months ago
Great Trigger
Great trigger. Light pull with a crisp break. I would even be happy if it was a bit heavier.
December 29, 2018
2 months ago

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