M4 CQB (SA-C17 CORE™ HAL ETU™) - Black/Tan

The classic of all classics, the primary weapon of countless armies around the world, a favorite model of many airsoft players and computer shooters. It's all embodied in the M4 CQB (SA-C17 CORE™ HAL ETU™) rifle from Specna Arms.
This classic based on the iconic BLACK RIFLE M4A1 will impress not only with the classic design of the famous assault rifle but also with the configuration of internal parts, offering unmatched performance and reliability. Both beginners and experienced players will appreciate this weapon, thanks to its advantageous price considering its performance, as well as its excellent maneuverability and weight. A full-day action with this lightweight variant of the CORE series will be a walk in the park and collecting successful hits from the enemy, who will tiredly drag their overloaded weapon.

This is a new improved version with an electronic processor unit HAL ETU™, which raises the weapon's performance to a completely new level.
HAL units are now offered by Specna Arms in all currently produced series, so you will find them in the CORE, FLEX, and EDGE models. With this upgrade, the Specna Arms brand is moving from the mid-range into the elite company of prestigious brands offering the latest technological features even in the basic variants of their weapons. The name HAL is derived from the principle of the so-called Hall effect, which allows the unit to sense trigger sensitivity.

The HAL ETU™ unit offers the following features:

• trigger sensing based on magnetic sensors and Hall effect
• active brake
• binary trigger (shot on press and shot on release)
• adjustable trigger sensitivity (5 levels from 20 to 100%)
• adjustable piston pre-cocking (6 levels)
• programmable SEMI fire modes (single, binary, AUG, sniper with delay)
• programmable AUTO fire modes (auto, semi, burst 3, burst 5)
• easy programming via the trigger
• battery discharge alarm
• ready for use with brushless motors (e.g., Specna Arms Dark Matter or Warhead)

The manufacturer, increasingly popular among players, is Specna Arms, which repeatedly occupies top positions of the most popular weapons in the airsoft world. From the beginning, it offers quality at a reasonable price and has great potential for future performance enhancements. Simply put: buy it, unpack it, load the magazines, and start playing!

CORE model features:

• High-quality and sturdy nylon fiber body
• Crane stock for accommodating multi-piece batteries
• V2 gearbox with QSC system ESA through the stock tube see photo gallery
• Steel spring guide
• High-quality metal air seal
• Metal toothed piston
• 8mm ball bearings for smooth operation
• 18:1 gear set
• Polymer rotary hop-up chamber

Performance and Range
The rifle is equipped with premium parts and a durable gearbox frame, pushing the performance boundaries of this weapon above others. With excellent range, this rifle is ideal for any game, from short-range CQB skirmishes to tactical movements with precise long-range shooting. The basic performance is around 115 m/s, which is the optimal muzzle velocity for actions with a limit. Thanks to easy and quick spring change without the need to disassemble the entire gearbox, you can adjust the performance and range to your needs.

Gearbox and Internal Parts
The rifle features a high-quality gearbox with durability up to M120, ensuring reliable operation and minimal wear of internal parts on the base spring. This means that the rifle is not only powerful but also durable and reliable even during intense use. Internal parts are carefully selected and assembled to provide optimal performance and precision. This weapon is ready, thanks to the T-DEAN connector for use with Li-Pol batteries 7.4V and 11.1V Crane or Buffer type (available in accessories).

External Build
Specna Arms rifle stands out with quality external build. The ergonomic design and lightweight construction guarantee comfortable carry and easy handling. With an adjustable stock, this replica is ready for various gaming situations. Overall, it's a rifle that combines top performance with an attractive design for maximum airsoft experience.

In the Package, you'll find:

• Specna Arms CORE HAL ETU rifle
• M-Lok grip
• Hi-Cap winding magazine S-MAG (capacity 380 BBs)
• Spare weaker spring (M90)
• Specna Arms promotional stickers
• QC certificate