Description
Echo1 SOF Hop Up Chamber Specifications:
- Model: ECHO SOF HU
- Manufactured by: ECHO1 USA
- Material: Metal/Polymer
Package Includes:
- 1x Echo1 SOF Hop Up Chamber
1 Review
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Great Hopup!!!
I got this Hopup unit for my JG SG550 it fits perfectly.You do need to take a screw to tap the hole in the bottom so it can screw into the mag well plate. Pros: Metal Solid build comes with bucking and nub Cons: Made of cast metal You have to tap the screw hole