Geissele Automatics - Super Dynamic Enhanced (SD-E™) Trigger

The Geissele Super Dynamic-Enhanced (SD-E™) Trigger is a precision-engineered, two-stage trigger designed for enhanced control and accuracy. Featuring an exclusive flat trigger bow, the SD-E™ delivers a smooth, light first-stage take-up and a crisp, clean second-stage break while maintaining the durability and reliability of Geissele’s combat-proven two-stage triggers.

The SD-E™ is the flat bow version of the Super Semi-Automatic Enhanced (SSA-E™), which features a traditional M4-style curved trigger.

Features:

• Precision Two-Stage Trigger: Ideal for enhanced accuracy and control.
• Flat Trigger Bow: Provides a smooth pull and reduces perceived pull weight.
• Optimized for Precision Shooting: Perfect for long-range, designated marksman, and tactical applications.
• Non-Adjustable Design: Pre-set for maximum reliability and consistency.

Specifications:

• Platform: AR15 / AR10
• Trigger Type: 2-Stage
• 1st Stage Pull Weight: 2.0 - 2.5 lbs.
• 2nd Stage Pull Weight: 0.9 - 1.3 lbs.
• Total Pull Weight: 2.9 - 3.8 lbs.
• Adjustable: No
• Trigger Bow Type: Flat
• Pin Size: Mil-Spec

Important Notes:

• Not compatible with Sig MPX/MCX or Pistol Caliber Carbine (PCC) AR15/M4 variants.
• Using this trigger in incompatible platforms will void the warranty.
• For Colt 901 Rifle users, please see Armorers Tools for compatible pins (Part# 02-269).