This upper is already pre-assembled to make it easier for you!.

This only weights a 167,52grams!

Partslist:

- Dr. Black "901S" 4.3 Slide Green

- Dr. Black 4.3 Rearsight fiber optic Purple

- Dr. Black 4.3/5.1 Frontsight Purple

- CowCowTechnology 3L Aluminum Hopup Chamber

- AIP Steel Hop spring

- PDI 6.01x118mm Stainles Steel Innerbarrel

- Maple Leaf Decepticon bucking 70degree

- Airsoft Masterpiece Aluminum Threaded Outerbarrel 4.3 Purple

- Edge Custom Aluminum blowback housing ultralight Purple

- Guarder Nozzle Shell/ TM Nozzle Internals

- B.C.P 140% Nozzlespring

- B.C.P 110/130% Recoilspring

- Airsoft Masterpiece Aluminum guide rod 4.3 Purple

- CowCowTechnology Recoil Buffers.

*PS: Please note: installing parts / assemble /fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation / fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out issue on parts.