Specna Arms Airsoft Rifle Daniel Defense® RIS III 12.5″ SA-P28 Prime HAL ETU with Brushless Motor – Chaos Bronze

The Specna Arms SA-P28 Prime HAL ETU with Brushless Motor – Chaos Bronze is a flagship model from the Prime Series, merging advanced internal components with licensed Daniel Defense® RIS III externals. The rifle offers a cutting-edge setup including the Dark Matter™ brushless motor, HAL ETU electronic trigger, Ather™ reinforced gearbox, and Magnus™ TDC rotary Hop-Up chamber.

The Prime series stands out as the first to feature a brushless motor integrated in the stock, elevating response time, durability, and power delivery. Paired with an ETU powered by Hall sensors, programmable fire modes, and quick spring change via ESA2™, this rifle offers high-end performance right out of the box – no tuning required.

Replica Features:

Nano coating for scratch resistance

Unique serial number + Daniel Defense® hologram

14 mm CCW threaded outer barrel

Folding iron sights

Precision steel inner barrel: 6.02 mm

TDC Magnus™ rotary Hop-Up chamber (EU patent 015052069-0001)

Helium™ Flat Hop rubber for better BB trajectory

ESA2™ quick spring change system (EU patent 007422159-0001)

Includes M90 spring for indoor use

Ather™ gearbox (EU patent 015044865-0001) with:

spring release

pre-cocking and inspection ports

reinforced shell

trigger travel adjustment

M140 spring compatibility

Internals include:

reinforced polymer piston with full steel rack

aluminum air seal components

bearing-mounted spring guide

CNC steel gears 16:1

8 mm J-Cage ball & plain bearings

Mancraft trigger

Dark Matter™ 27K brushless motor

Pre-installed HAL ETU module

HAL ETU Module Features:

Trigger detection via Hall effect

Active brake

Binary trigger

Adjustable trigger sensitivity (5 levels)

Adjustable pre-cocking (6 levels)

AUTO fire mode programming: full auto / semi / 3 or 5-round burst

SEMI fire mode options: semi / binary / AUG / sniper

Programming via trigger

Low battery warning

Package Includes:

Specna Arms SA-P28 Prime HAL ETU – Chaos Bronze

2x mid-cap S-MAG magazines (125 rounds)

M135 & M90 springs

BB speedloader

Vertical front grip

Small Tamiya › DEANS adapter

Not Included:

Battery and charger

Technical Specifications:

Length: 790–880 mm

Inner barrel length: 370 mm

Weight: 2750 g

Muzzle velocity: ~430 FPS

Magazine capacity: 125 BBs

Fire mode: semi-auto

Gearbox version: V2 – Ather™ with ESA2

Hop-Up: yes, rotary

Connector: DEANS / T-plug

Thread: 14 mm CCW

Materials: metal, polymer, steel

Series: Specna Arms Prime Series