SKU: SBA-AEG-02 Category:


The Silverback MDR-X  V2 is our airsoft licensed version of its real steel counterpart manufactured by Desert Tech LLC.

Very realistic in its conception, to mimic the original build and features as much as possible while integrating a high-quality gearbox , able to deliver high performance from DMR to CQB applications.

Realistic construction and assembly

  • Made under exclusive license from Desert Tech LLC
  • Fully engraved markings with unique serial number.
  • 6000 series aluminium receiver/outer barrel and muzzle brake.
  • PA6 Nylon, fiberglass reinforced stock, grip and handguard, synthetic rubber buttpad.
  • MLOK handguard, with 3 slots at 3, 6 and 9 o’clock.
  • 2 steel QD attachments at the rear of the stock.
  • Ambidextrous fire selector and 3 points magazine release.
  • Swappable realistic ejection panels.
  • Realistic motion ambidextrous cocking lever.


High quality Gearbox

  • Designed to operate on 11.1V Li-Po batteries (possibility to run on 7.4V)
  • Electronic trigger, CPU motor control, gear cycle and fire selector position detection by Hall Effect sensor.
  • CNC aluminium wide bore cylinder (26mm diameter, +19% wider than standard AEG), including a spring quick change design.
  • Useful volume 22.5 cc ( with stock ventilated 75% cylinder)
  • CNC aluminium cylinder head, NBR piston damper, stainless steel nozzle.
  • CNC aluminium ventilated piston head, FKM o-ring, POM glider ring.
  • CNC stainless steel & aluminium spring guide, equipped with a thrust bearing. 3 lugs design ensuring a better axial alignment.
  • “Tappet plate-less” construction.
  • CNC aluminium piston body, hardened MIM steel 16 teeth rack.
  • 18:1 torque up gear set, hardened MIM steel.
  • ADC 12 aluminium gearbox carter, 10mm ball bearing.
  • Neodymium high-torque motor 19000RPM (11.1V), short axis.


Efficient hop-up design

  • Hop-up unit made of durable Polycarbonate material.
  • TCD, rotary ring design.
  • Incremental “click” adjustments using 2 ball plungers, 36 positions ranging from 0 up to 750 µm with the low nub (installed, for standard bbs configuration), and from 500 up to 1250 µm with the high nub (provided, for heavy bbs configuration).
  • 420 mm brass inner barrel. 6.05 mm bore, chemical passivation surface treatment, AEG hop-up cut.


The MDRX is coming with:

  • 78 rounds AR10/SR25 type magazine (G&P / A&K type)
  • Two additional power spring (*).
  • One semi auto only replacement trigger board (semi/ full auto trigger board installed out of the box) (**).
  • A pin puncher for easy battery change and disassembly
  • 4 keys (Allen 2.5mm, Allen 5mm, Torx T20 and Torx T25).
  • One high nub for the hop up unit, to lift bbs from 0.32 grams and above (low nub installed out of the box).
  • One PCB jumper, used to switch from 11.1V to 7.4V batteries or deactivate battery protection (***)


Available in:

  • Full Black: SBA-AEG-02BK
  • Black and FDE: SBA-AEG-02BKFDE
  • Full FDE: SBA-AEG-02FDE

Online User Manual

Online Exploded Views


(*) Depending on different countries law and regulations on Airsoft, the type of springs may vary or may not be included, please check the online user manual and get in touch with your local retail for information.

(**) For German market, the MDRX will be assembled with the semi auto only trigger board and the semi auto/full auto trigger board WILL NOT be included in the box.

(***) Depending on your battery type and wear, outside temperature and spring stiffness, it might be necessary  to deactivate the battery protection for the MDRX replica to cycle properly)