Geissele

Geissele Automatics SD-3G Super Dynamic Three Gun Trigger

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Geissele Automatics Llc Sd-3g Super Dynamic Three Gun Trigger - Trigger for AR-15 - view 1

Geissele

Overview

The Geissele Automatics SD-3G Super Dynamic Three Gun Trigger is a trigger. Compare prices from multiple merchants and find the best deal.

Specifications

MPN05-166
AdjustableNon-Adjustable

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September 2026 on GunPartPicker

Geissele Automatics SD-3G Super Dynamic Three Gun Trigger ranked #114 of the 228 triggers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #96 of the 490 triggers builders have added. Builds with this trigger are mostly chambered in 5.56 NATO (76%, then 300 Blackout 10%), split between mid-length (57%) and carbine-length (27%) gas systems, and nearly all AR-15.

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Frequently Built With

The part most often added in each category by hundreds of builds that include this one

Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom

Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom

Lower Receiver$155 · out of stockin 18% of them
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4

Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4

Upper Receiver$129 · out of stockin 8% of them
B5 Systems Type 23 P-Grip - Coyote Brown

B5 Systems Type 23 P-Grip - Coyote Brown

Pistol Grip$15in 6% of them
Magpul AR-15 CTR Stock Collapsible Mil-Spec Black

Magpul AR-15 CTR Stock Collapsible Mil-Spec Black

Stock & Brace$60in 8% of them
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Charging Handle$155in 13% of them
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever KIT - Radian Grey

Radian Weapons Talon Ambidextrous Safety Selector 2-Lever KIT - Radian Grey

Safety$65in 12% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

75.5%
5.56 NATO75.5%
300 Blackout10.4%
.223 Wylde10.4%
.223 Remington1.9%
.450 Bushmaster0.9%
Other0.9%

Gas System

57.3%
Mid-Length57.3%
Carbine26.7%
Pistol13.3%
Rifle2.7%

Builds Featuring This Part

See all 11 →

Builds in the community that include the Geissele Automatics Llc Sd-3g Super Dynamic Three Gun Trigger

BuildPartsTotal
Radian Weapons 16" build build
Radian Weapons 16" build		16$1398.65
new 5.56 build build
new 5.56 build		10$1059.88
for steel matches 10.5" build
for steel matches 10.5"		27$3393.74
8.5" ke arms clone build
8.5" ke arms clone		29$3884.92
second 5.56 build build
second 5.56 build		27$3858.53
Radian Weapons 10.5" 5.56 build
Radian Weapons 10.5" 5.56		19$2014.03
8" SBR build
8" SBR		24$4094.20
first 5.56 build build
first 5.56 build		9$1078.91
5" build
5"		19$1735.42
14.5" aero precision build build
14.5" aero precision build		17$1582.31
Recce 16" 5.56 build
Recce 16" 5.56		12$1142.03

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