Elftmann ELF-SE PRO | Drop-In AR Trigger w/ PRO-LOCK & FA Knob | Curved | 2.75 lb | Black

The Elftmann ELF-SE PRO Drop-In AR trigger with the PRO-LOCK retention system and FA Knob is designed for shooters who want rock solid stability with the ability to fine tune trigger feel, and this version pairs that hardware with a curved trigger shoe in black at 2.75 pounds. Elftmann Tactical built it to deliver a smooth, predictable break across competition, tactical, and precision AR builds. The curved shoe is the traditional shape most American shooters grew up with. If a straight trigger has ever felt foreign to you, this is the version to buy.

Trigger shape is a matter of feel, not performance ranking. The right answer is whichever one your finger already knows.

Why Choose the Curved Elftmann ELF-SE PRO Drop-In Trigger

A curved trigger face guides the finger toward the center of the shoe, which produces a consistent contact point without conscious effort. Shooters coming from a mil-spec AR trigger, a hunting rifle, or a service pistol are already trained to that geometry, so the transition to a much better trigger happens without relearning anything.

Curved shoes also tend to suit shooters with shorter fingers or those who prefer a slightly higher contact point. Because the curve pulls the finger to a consistent spot, the effective pull weight stays uniform shot to shot.

This variant fits duty carbines, hunting ARs, and general purpose rifles just as comfortably as it does a dedicated competition gun.

Key Features

• Curved trigger shoe that indexes the finger naturally toward the center of the face
• PRO-LOCK retention system that locks the module in the lower receiver and eliminates movement
• Crisp 2.75 pound factory set pull weight for a smooth, predictable break
• Integrated Flat Adjustable Knob for tuning trigger feel to your preference
• True drop in installation with no adhesives, proprietary pins, or permanent modification
• Black finish that blends with standard AR internals

Specifications and Bench Notes

The PRO-LOCK system is the engineering centerpiece. It locks the trigger module securely inside the lower receiver, eliminating movement under recoil or high round counts, which delivers the confidence of a fixed pin trigger while retaining the simplicity of a true drop in installation. That stability is what keeps the break consistent as the rifle heats up during a long string.

The 2.75 pound factory set weight arrives ready to shoot. It is light enough to remove the trigger from the accuracy equation, while the FA Knob lets you adjust trigger pull characteristics after you have logged some rounds and know what you actually want from the Elftmann ELF-SE PRO Drop-In unit.

Installation, Function Checks, and Care

Verify the rifle is unloaded, separate the upper and lower receivers, and remove the existing hammer and trigger assembly. Seat the module in the receiver and engage the PRO-LOCK retention as the instructions direct. No fitting, filing, or adhesive is involved, and the whole job takes a few minutes on a bench.

Run a complete function check every time before live fire. Confirm the trigger breaks and resets cleanly, that the hammer does not follow the carrier home, and that the selector reliably blocks the trigger on safe. This is not an optional step on any trigger installation.

Keep maintenance light. A drop in module does not want to be flooded with oil, since excess lubricant traps carbon and grit inside the housing. Wipe the exterior, blow out debris, and check the retention hardware periodically. Our parts and upgrades collection carries stocks, grips, and other components that pair with an upgraded trigger.

If you want a serious competition grade trigger without giving up the familiar curved shape, the Elftmann ELF-SE PRO Drop-In curved model is the configuration to order. Install it, check it, and enjoy a rifle that finally shoots as well as it looks. Ships direct to your door, no FFL required.