G&P 7.4V 1600mAh 20C AEG Power Bank w/ 240Lm LED (Sand) Combat Gear and the internal mechanism is

and the internal mechanism is based on the Tokyo Marui one

The black finish was came from the titanium nitride coating

They both come in black but one has a barrel coated in black and one is left chrome

Materials & Technical as the real counterpart  Adjustable focus and reticle position (index on knobs are not in scale as real scope)  Red reticle to help maintaing clear and accurate aiming

G&P 7.4V 1600mAh 20C AEG Power Bank w/ 240Lm LED (Sand) Combat Gear and the internal mechanism isG&P 7. 4V 1600mAh 20C AEG Power Bank w 240Lm LED (Sand) For RAS Rail System 240 lumen LED Luminousray: 7000K 8000K Internal 7. 4v 1600mAh 20C Li Poly Rechargeable Battery Included: CREE R3 LED 3. 5W Pressure Switch 2 cell recharge cable SKU GP TAL004 74 SD Item Weight (gram) 323 Major Color Sand Length 185mm Flashlight Type Handheld Lamp Type LED Built Material Metal Manufacturer G&P