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Geissele Super Dynamic 3 Gun (SD-3G) Trigger ‒ 05-166

Geissele Super Dynamic 3 Gun (SD-3G) Trigger ‒ 05-166

Trigger

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Best price

$250.00at Brownells

In stock checked Oct 1, 2026

Buy at Brownells

Compare 8 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
Brownells Best price $250.00checked Oct 1, 2026 In stock Buy at Brownells
OpticsPlanet $250.00Salechecked Oct 1, 2026 In stock Buy at OpticsPlanet
Ammunition Depot $250.00checked Oct 1, 2026 In stock Buy at Ammunition Depot
MidwayUSA $250.00checked Oct 1, 2026 In stock Buy at MidwayUSA
GunMag Warehouse $250.99checked Oct 1, 2026 In stock Buy at GunMag Warehouse
Sportsman's Guide $259.99checked Oct 1, 2026 In stock Buy at Sportsman's Guide
Rainier Arms $240.00not checked recently Check store Buy at Rainier Arms
Palmetto State Armory $250.99Salechecked Oct 1, 2026 Check store Buy at Palmetto State Armory

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Lowest in-stock price in the last 30 days: $212.50 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table
StoreLatestLowestHighest
Ammunition Depot$250.00$250.00$250.00
Brownells$250.00$250.00$250.00
GunMag Warehouse$250.99$250.99$250.99
MidwayUSA$250.00$212.50$250.00
OpticsPlanet$250.00$250.00$250.00
Palmetto State Armory$250.99$250.99$250.99
Sportsman's Guide$259.99$259.99$259.99

Since Sep 27, 2026.

About this part

The Geissele Super Dynamic 3 Gun (SD-3G) Trigger ‒ 05-166 is a trigger. It's sold by 8 stores (6 in stock), from $240.00 to $259.99. The lowest in-stock price in the last 30 days was $212.50 at MidwayUSA.

From the manufacturer


The Super Dynamic Triggers are rugged, non-adjustable combat triggers with a sear design that provides a wide margin of safety against unintentional discharges yet still gives the operator a sharp, repeatable trigger release. The exclusive, flat trigger bow, patterned after the trigger of an M1911 pistol, reduces the perceived pull weight of the triggers and gives outstanding tactile feedback and trigger controlThe SD-3G was developed to combine the SSF combat trigger’s match-grade semiautomatic performance with its smooth single-stage full automatic feel to make a fast, smooth, and robust trigger ideal for 3 Gun competition shooting. The Geissele Super Dynamic - 3 Gun trigger has a super short trigger pull and a short reset so that rounds can be sent downrange as quickly as possible while still maintaining superb accuracy. Note: The SD3G trigger has a very short, light pull and reset. We do not recommend it for duty use, bench rest, accuracy work or shooting small groups. It is designed for close course competition use where rapid target engagement with quick follow up shots are required. 

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$250.00 at Brownells
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