Geissele Super Scar Trigger

Published on June 4, 2015
Duration: 10:05

This guide details the installation of the Geissele Super SCAR Trigger into an FN SCAR rifle, based on expert instruction from Military Arms Channel. It covers the process from disassembly to reassembly, emphasizing the importance of proper technique and safety. The guide also highlights the benefits of this upgrade, such as reduced trigger pull weight and improved shooting performance, as demonstrated by before-and-after trigger pull measurements and group size comparisons.

Quick Summary

The Geissele Super SCAR Trigger is a two-stage upgrade for FN SCAR rifles, reducing trigger pull weight to around 3.75-3.9 lbs and offering a crisp break with no overtravel. This upgrade can improve shooting precision, as demonstrated by a reduction in 5-shot group sizes from 1.625" to 1.375" at 100 yards on an FN SCAR 16S.

Chapters

  1. 00:15Intro to Geissele Triggers
  2. 00:27Super SCAR Trigger Overview
  3. 00:38Pre-Install SCAR 16S Pull Test
  4. 01:05Stock SCAR 16S Pull Weight
  5. 01:35Super SCAR SCAR 17S Pull Test
  6. 02:14Benefits of Better Triggers
  7. 02:39SCAR 16S Install Plan
  8. 03:14Pre-Install SCAR 16S Shooting
  9. 04:25Trigger Installation Montage
  10. 06:06Post-Install SCAR 16S Pull Test
  11. 06:46Post-Install Pull Consistency
  12. 06:57Post-Install SCAR 16S Shooting
  13. 08:04Group Size Comparison
  14. 08:31Performance Summary & Recommendation
  15. 09:02Concluding Remarks

Frequently Asked Questions

What is the Geissele Super SCAR Trigger and what are its benefits?

The Geissele Super SCAR Trigger is a two-stage upgrade designed for FN SCAR rifles, offering a lighter pull weight (around 3.75-3.9 lbs post-installation) and a crisp break with no overtravel. This enhances shooting precision and can lead to tighter groups, making it a worthwhile investment for SCAR owners seeking improved performance.

How does the Geissele Super SCAR Trigger affect shooting accuracy?

Installing the Geissele Super SCAR Trigger can improve shooting accuracy. In testing, it reduced 5-shot group sizes at 100 yards from approximately 1.625 inches to 1.375 inches on an FN SCAR 16S, demonstrating a measurable positive impact on precision.

What is the typical trigger pull weight for a stock FN SCAR versus one with the Geissele Super SCAR Trigger?

A stock FN SCAR 16S typically has a trigger pull weight around 5.5 lbs, described as gritty but usable. After installing the Geissele Super SCAR Trigger, the pull weight is reduced to an average of 3.9 lbs on the 16S and 3.75 lbs on the 17S, offering a much cleaner and lighter break.

What tools are needed for installing the Geissele Super SCAR Trigger?

The installation of the Geissele Super SCAR Trigger requires basic gunsmithing tools, including a punch tool for removing pins, a small screwdriver for trigger assembly manipulation, and a Lyman digital trigger pull gauge for measuring the pull weight before and after installation.

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