Geissele

Geissele Automatics SD-3G Super Dynamic Three Gun Trigger

All Geissele triggers
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

Available Merchants

Price Alert

Get an email if the price drops 10% or more.

No Available merchants at this time.

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 #106 of the 470 triggers builders have added. Builds with this trigger are mostly chambered in 5.56 NATO (75%, then 300 Blackout 11%), split between mid-length (59%) and carbine-length (25%) gas systems, and nearly all AR-15.

Trending triggers →

Updated · from real builds on GunPartPicker

Not sure which trigger to pick?

We ranked every trigger by how often it shows up in real builds on GunPartPicker.

Read the guide: AR-15 Trigger Popularity Report →

Check it against the live catalog:

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$48in 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 11% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

75.2%
5.56 NATO75.2%
300 Blackout10.5%
.223 Wylde10.5%
.223 Remington1.9%
.450 Bushmaster1%
Other1%

Gas System

58.9%
Mid-Length58.9%
Carbine24.7%
Pistol13.7%
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$1397.65
new 5.56 build build
new 5.56 build		10$1061.11
for steel matches 10.5" build
for steel matches 10.5"		27$3402.79
8.5" ke arms clone build
8.5" ke arms clone		29$3972.44
second 5.56 build build
second 5.56 build		27$4163.04
Radian Weapons 10.5" 5.56 build
Radian Weapons 10.5" 5.56		19$2035.03
8" SBR build
8" SBR		24$4038.95
first 5.56 build build
first 5.56 build		9$1078.91
5" build
5"		19$1728.78
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

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!