Geissele Automatics - Super Dynamic 3 Gun (SD-3G™) Trigger

The Geissele SD-3G™ trigger is specifically designed for high-speed shooting. Its hybrid rolling break combines single-stage and two-stage trigger characteristics, allowing for rapid target engagement and quick follow-up shots. This design is particularly beneficial in 3 Gun competitions where speed and precision are critical. The flat trigger bow also enhances control, making it easier to maintain accuracy during fast-paced shooting sequences.

The flat trigger bow of the SD-3G™ is designed to enhance ergonomics and control. By reducing the perceived pull weight, it allows shooters to achieve a more consistent trigger pull, which is crucial for maintaining accuracy during rapid fire. This design also provides superior tactile feedback, helping shooters maintain focus and control during high-stress scenarios typical in competitive shooting.

The Geissele SD-3G™ trigger is compatible with standard AR15 and AR10 platforms. However, it is not compatible with Sig MPX/MCX or Pistol Caliber Carbine (PCC) AR15/M4 variants. Additionally, Colt 901 rifle users will require specific armorers' tools for proper installation. This compatibility ensures that the trigger can be used in most traditional AR setups, providing versatility for competitive shooters.

The Geissele SD-3G™ trigger offers two pull weight options. With a lighter spring, the total pull weight ranges from 3.0 to 4.0 lbs, while the heavier spring ranges from 4.5 to 5.5 lbs. These options allow shooters to customize their trigger pull to match their personal preferences and shooting style, which can be crucial for achieving optimal performance in different competitive scenarios.

The SD-3G™ trigger is optimized for competition rather than duty use. Its design prioritizes speed and rapid follow-up shots, which may not meet the reliability and safety requirements necessary for duty applications. The trigger's light pull weight and fast reset are excellent for competitive shooting but could pose safety concerns in high-stakes duty environments where accidental discharges must be minimized.

Installing the SD-3G™ trigger requires attention to compatibility and tools. While it fits standard AR15 and AR10 platforms, users of the Colt 901 rifle will need specific armorers' tools for installation. It's crucial to ensure that the trigger is properly installed to maintain its performance and safety features. Improper installation could lead to malfunctions or decreased reliability, particularly in competitive settings.

The lightning-fast reset of the SD-3G™ trigger allows for quicker follow-up shots. This feature is particularly advantageous in 3 Gun competitions where speed is essential. By minimizing the time between shots, shooters can engage multiple targets more efficiently, improving overall performance and reducing the time taken to complete shooting stages.

The SD-3G™ trigger is not adjustable. It comes with preset pull weights determined by the spring used. While this limits customization, the two available pull weight options provide some flexibility for shooters to choose the setup that best suits their style. This design choice ensures reliability and consistency, which are critical in competitive environments.

The hybrid rolling break combines the best of single-stage and two-stage triggers. This unique feature provides a smooth, consistent pull that enhances speed without sacrificing control. Shooters benefit from a predictable trigger break, which can improve accuracy and confidence during rapid fire. This design is particularly beneficial in dynamic shooting scenarios where both speed and precision are required.

The SD-3G™ trigger is not ideal for precision accuracy work. Its design focuses on speed and rapid engagement, which may compromise the fine control needed for precision shooting. The lighter pull weight and fast reset, while excellent for competition, might not provide the stability required for precise, long-range shots. For precision applications, a trigger with a more defined two-stage break might be more suitable.