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Geissele SD-3G Super Dynamic Trigger Group 3-Gun Version AR-15 LR-308 Matte


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The Geissele Super 3 Gun (SD-3) trigger is a semi-automatic derivative of the two-stage Super Select-Fire (SSF) combat trigger that Geissele Automatics has developed for customers in the U.S. Special Operations Community. In semi-automatic mode, the SSF performs like a match-grade two-stage trigger that allows precise and accurate trigger control that is ideally suited for engaging demanding medium and long range targets. In fully-automatic mode, where threats are generally encountered at close range and under extreme time pressure, the SSF performs like a single-stage trigger with a smooth, continuous trigger pull. The Geissele Super 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. The shortened trigger pull combined with a lightning-quick reset gives this trigger a unique, hybrid trigger pull that is a cross between a traditional two-stage and single stage trigger while at the same time retaining the safety and robustness of the trigger design. The result is a superb, well-balanced trigger that is ideal for high-volume, accurate fire. An S3G-equipped rifle enables the shooter to engage targets more quickly and more accurately than with any other trigger/rifle combination available today. In fact, field tests have shown that the SD-3 can routinely and accurately deliver up to twelve shots on target in an amazing 1.6-1.9 seconds.

Specifications and Features:

  • Compatible With: AR-15
  • Pin Size: Small (.154")

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