Flat Two-Stage Trigger Made to Geissele’s High Standards
The Geissele SD-E Trigger is purpose-built for shooters who demand precision, reliability, and a crisp, predictable break in every shot. The SD-E provides a light first-stage take-up followed by a clean, 3.5 lb second-stage break, delivering enhanced trigger control without sacrificing safety or durability. The flat-faced trigger bow offers a consistent trigger finger placement and improved leverage, helping shooters maintain better control during rapid or precision fire.
Features
- Two-stage with 2.3 lb first stage and 1.2 lb second stage, for a total of 3.5 lb pull
- Flat-face design for enhanced finger placement and consistent feel
- Precision-machined tool steel with Geissele’s proprietary hardening process
- Corrosion-resistant and wear-resistant coating for long-term durability
- Fits mil-spec AR-15 and AR-10 lower receivers
- Ideal for precision shooting, competition, and tactical applications
- Made in the USA with Geissele’s legendary craftsmanship
Specifications
- Brand: Geissele
- Model: SD-E Super Dynamic Enhanced 3.5 Pound Two Stage AR-15 Trigger
- MPN: 05-167
- Fit: Mil-spec AR-15 Lower Receivers
- Pull Weight: 3.5 lb
- Trigger Shape: Flat
- Trigger Type: Two-Stage
- Material: Tool Steel
- Finish: Type III Hardcoat Anodized
- Colors: Black
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
Geissele Limited Lifetime Warranty
- Geissele Automatics warrants its firearms, components, and tools against defects in materials and workmanship during the lifetime of the product.
- Geissele Automatics does not warrant against normal wear and tear, items consumed or expended by their normal use (including springs, pins, etc.), product misuse (including criminal misuse, negligence or use under the influence of drugs or alcohol), accidental damage, or damage caused by improper handling, unapproved modifications to the product, defective or improper ammunition, or corrosion.
- Defective accessories (e.g., scopes, suppressors, flash hiders, sights, slings, parts with glass or electronic components, etc.) may be warranted by their original manufacturers but are not covered by this warranty.
If you submit a valid claim under this Limited Lifetime Warranty, Geissele Automatics will authorize your return of the product and, at its sole discretion, will:
- Repair the product, including replacement of defective parts with new or refurbished parts
- Replace the product with a product of equal or greater value.
If Geissele Automatics decides to replace a product under this warranty, Geissele will keep the product being replaced.
You must satisfy all terms and restrictions set forth in this Limited Lifetime Warranty and obtain a Return Material Authorization before shipping any product to Geissele Automatics.
Before shipping any product to Geissele Automatics, please ensure the following:
- The product has not been modified, is clean and any accessories have been removed (unless otherwise instructed by a Geissele Automatics technical support agent)
- There is no ammunition in any product or packaging
- The completed Return Material Authorization form has been placed inside the packaging
- The Return Material Authorization number has been clearly written on the outside of the packaging.
Any failure to follow these instructions could result in your package being refused and returned to you without repairs at your expense.
To obtain service, contact Geissele Automatics at sales@geissele.com or 610-272-2060.
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
