The whole set is very well made. The only problem is the piston head, which falls into the cylinder like a stone (an issue with sealing). The nozzle (wider than usual), cylinder head, and the cylinder itself maintain a great seal. To sum up, it's an excellent set if you have a piston head with a better seal.
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The Bore-Up Set is engineered for optimizing AEG M4-A1/RIS, SR16, and M733 replicas. Featuring components with an increased internal diameter, the set delivers greater muzzle velocity while minimizing stress on other internal parts, all while retaining the original main spring.
Set comprises:
- cylinder with expanded diameter
- sealed, ventilated, and bearing-equipped piston head with increased diameter
- sealed nozzle tailored for Bore-Up set
- aluminum cylinder head with double seals and enlarged diameter
Compatibility: M4-A1/RIS/SR16/M733
Mass: 60 g
Produced by Modify
| EAN | 4713072162298 |
|---|---|
| Manufacturer code | 1152202040(MOD-08-005324) |
| Brand | Modify |
| EAN |
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