Airsoft Gretchen talks about the G&G CM16 E.T.U., an airsoft rifle she has clearly spent some quality time with. She discusses its technical specifications, including its 1.5-joule energy and the Electronic Trigger Unit, while handling the tan-colored gear. The setting is a delightfully dusty, abandoned industrial space that looks like it hasn't seen a broom since the late nineties.

El Bridos introduces the Perun Lightning V2, a new Electronic Trigger Unit (ETU) designed to replace previous models. They note that while the packaging remains familiar, the device itself features a simplified design and more robust wiring that strikes a balance between flexibility and durability. One of the most significant physical changes is the removal of rear sensors in favor of a magnetic selector plate system, which aims to make the hardware more adaptable to various airsoft replicas.

Taiwan Gun presents the WELL PRO WE13 DSG 13" M4/AR-15 with a full metal construction designed for durability during field use. Utilizing a Dual Sector Gear (DSG) system, the replica focuses on providing rapid trigger response and consistent cycles during automatic fire. These mechanical components are integrated to support high rates of fire while maintaining the standard M4/AR-15 ergonomics familiar to most operators.

WYSHTECH Airsoft shows the the transformation of a stock CYMA M14 airsoft rifle into a high-performance Designated Marksman Rifle (DMR), aiming to achieve 2.0 Joules of muzzle energy using heavy 0.40g BBs for superior range and accuracy. Key upgrades include a WYSHTECH JVan M14 gear set, a silent piston head fitted with a 37g weight kit to handle the heavy ammunition, and the installation of a new PERUN M14 Electronic Trigger Unit (ETU) to enable features like precise pre-cocking.

Pheas Airsoft shows how to take apart the Specna Arms SA-FX01 Flex AR-9 Hal ETU edition for maintenance and repair purposes. The process begins with removing the externals, including the stock, handguard, and barrel assembly, before separating the upper and lower receivers to access the internal components.

The Tokyo Marui M14 and the CYMA clone are two of the better forming M14 AEGs in the market, will the Perun ETU further eke more? Watch this first impression video from WYSHTECH Airsoft. The unit, which replaces the stock trigger assembly, is a pre-production model. The presenter unboxes the ETU, which comes with a programming card, and praises its design as an all-in-one unit that integrates seamlessly with the existing airsoft gun's mechanics.

Pheas Airsoft unboxes the Specna Arms SA-FX01 FLEX AR-9, a lightweight airsoft rifle that includes the HAL Electronic Trigger Unit (ETU). The rifle’s noticeable feature is its extreme lightness, weighing under two kilograms due to its primarily polymer construction, making it highly comfortable and non-fatiguing for all-day play.

A good look at the &T Armament MK18 Mod.1 SportsLine G3 ETU in this review by Timerzanov Airsoft... "I'm reviewing a rather special replica, one that's inexpensive, affordable, and high-performance. Here's the MK18 Mod. 1 from S&T Armament's SportsLine range, a replica of the MK18 for only €112! Internally, the replica is equipped with a protective ETU and a quick-release spring system, allowing for versatile use.