Elftmann ELF APEX PRO SE w/ PRO LOCK & FA Knob | AR Drop-In Trigger | Straight | Red

Elftmann Tactical^® ELF APEX PRO SE | Drop-In AR Trigger w/ PRO-LOCK™ & FA Knob | Straight | Red

APEX Speed with PRO-LOCK™ Stability and FA Adjustability

The Elftmann Tactical^® ELF APEX PRO SE Drop-In AR Trigger with PRO-LOCK™ retention system and Flat Adjustable (FA) Knob delivers lightweight, competition-ready performance with added user control. Featuring a straight trigger shoe and a crisp 2.75 lb factory-set pull weight, this trigger is designed for shooters who demand speed, precision, and adjustability across all AR platforms.

PRO-LOCK™ Retention System

Elftmann’s proprietary PRO-LOCK™ system secures the trigger module firmly inside the lower receiver, eliminating movement under recoil or high round counts. This design combines the solid feel of a fixed-pin trigger with the convenience of a true drop-in installation—no adhesives, proprietary pins, or permanent modifications required.

Flat Adjustable (FA) Knob Control

The integrated FA Knob allows shooters to fine-tune trigger pull feel without removing the trigger from the receiver. This on-the-fly adjustability provides flexibility to tailor performance to shooting style or conditions while maintaining consistent engagement geometry and a fast, tactile reset.

APEX Trigger Geometry

Built around Elftmann’s lightweight APEX trigger geometry, the APEX PRO SE emphasizes minimal take-up, a clean break, and rapid reset. The straight trigger shoe promotes consistent finger placement and a linear pull, supporting fast follow-up shots and repeatable accuracy.

Match-Grade Construction

Precision CNC-machined from A2 tool steel and aircraft-grade aluminum, the APEX PRO SE offers excellent durability with reduced mass for faster trigger response. A durable red anodized finish provides corrosion resistance and a bold, professional appearance for high-performance AR builds.

Simple Drop-In Installation

The self-contained APEX PRO SE installs easily into any standard AR lower receiver. Drop the trigger module into place, secure the PRO-LOCK™ system, and adjust the FA Knob as desired. No gunsmithing or fitting is required, and once installed, the trigger remains stable through extended use.

Elftmann Tactical^® APEX PRO SE AR Trigger Specifications

• Trigger Type: Drop-In AR Trigger Assembly
• Model: APEX PRO SE w/ PRO-LOCK™ & FA Knob
• Trigger Shoe: Straight
• Pull Weight: 2.75 lbs (Factory Set, User Adjustable)
• Material: A2 Tool Steel & Aircraft-Grade Aluminum
• Finish: Red Anodized
• Compatibility: AR Platforms
• Installation: Drop-In, No Gunsmithing Required
• Retention: PRO-LOCK™ Secure Installation System
• Made In: U.S.A.

Fast, Adjustable, and Rock-Solid

The Elftmann Tactical^® ELF APEX PRO SE Drop-In AR Trigger with straight red shoe delivers lightweight APEX performance enhanced by PRO-LOCK™ stability and FA Knob adjustability. It’s an ideal upgrade for shooters who demand speed, control, and consistency from their AR platform.

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Explore our complete selection of AR Components at Arm or Ally. Every Elftmann Tactical^® trigger is proudly made in the U.S.A. and engineered for precision-driven performance and long-term reliability.