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

Partslist:

- Edge Custom "Hive" 4.3 Black

- AIP Front & Rearsight 4.3

- Edge Customs "Hexa" 4.3 Aluminum threaded outerbarrel RED

- Airsoft Masterpiece Brass Hop-up for TM 1911/Hicapa

- PDI 6.01x113mm Stainless Steel Innerbarrel

- Poseidon 60degree bucking

- Edge Custom Aluminum ultralight blowback housing RED

- AIP Reinforced loading Muzzle

- B.C.P 140% Nozzlespring

- B.C.P 110/130% Recoilspring

- Edge Custom "Hard Rod" 4.3 Aluminum guide rod 4.3 Black

- 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.