Geissele Super Duty MOD1 Build | 12.5” Compact AR-15

Published on December 9, 2025
Duration: 1:36

Elliott Delp showcases a custom 12.5-inch Geissele Super Duty MOD1 AR-15 build optimized for close-range night vision operations. The build features a DDC finish, EOTech EXPS3 optic with a kill flash, Surefire/Arisaka light setup, PEQ-15 laser, and a Huxwrx Flow-through suppressor. Delp's detailed explanation highlights specific component choices and their tactical rationale, demonstrating high-level expertise in AR-15 customization for specialized roles.

Quick Summary

The 12.5-inch Geissele Super Duty MOD1 AR-15 build is optimized for close-range night vision shooting. It features an EOTech EXPS3 with a kill flash, a PEQ-15 laser, and a Huxwrx Flow-through suppressor with a Dead Air KeyMo mount, showcasing a tactical and high-performance setup.

Chapters

  1. 00:00Build Introduction & Purpose
  2. 00:13Receivers and Furniture
  3. 00:33Optics and Kill Flash
  4. 00:52Light and Cable Management
  5. 01:07Laser and Suppressor Setup

Frequently Asked Questions

What is the primary purpose of the 12.5-inch Geissele Super Duty MOD1 build shown?

The 12.5-inch Geissele Super Duty MOD1 AR-15 build is specifically designed and optimized for close-range night vision shooting applications, balancing maneuverability with effective engagement capabilities.

What optic is featured on the Geissele 12.5" AR-15 build?

The build features an EOTech EXPS3 holographic sight. It is also equipped with a 100 Concepts Kill Flash accessory to reduce lens glare and optical signature during operations.

Which suppressor and mount system is used on this AR-15?

This custom AR-15 utilizes a Huxwrx Flow-through suppressor mounted via a Dead Air KeyMo adapter, chosen for its ability to reduce gas blowback and enhance shooter comfort.

What accessories are included for night vision capabilities?

For night vision operations, the build incorporates a PEQ-15 laser aiming module. The EOTech EXPS3 optic is also crucial for low-light target acquisition.

More from Elliott Delp

View all →