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PRO CNC Aluminum Hopup Chamber
Designed for the M series AEG Airsoft.
The BB locking system is designed to prevent the magazine from falling out and then dropping the BB. After reinserting the magazine, the latch is fully opened for quick shooting. You can also manually open Latch to manually release BBs from the Hop up Chamber.
Made of sturdy aircraft aluminum blocks with tight tolerances for higher precision, consistency and durability
Built-in knob for precise adjustment (using R-hop, Flat-Hop and Standard-Hop)
Removable brass threaded slot pin for adjustment and maintenance
Accepts a variety of airtight nozzles from 20.50mm to 21.00mm
Fully compatible with most aftermarket soft and hard rubber, no loss of FPS or drop BB
Equipped with 3 O-rings and 3 compression springs to ensure that the jumper is always centered accurately, straight and airtight
There are 2 vinyl covers on both sides of the Hop up Chamber to prevent dust from indoors. It is easy to see BB in the Hop up Chamber.
Pro hopup unit install guide
This item is a Pro series high quality upgrade product and requires electronic and mechanical knowledge ensure correct installation. We recommend that only an experienced user or a professional Airsoft toy technician is to install it.Install by yourself, please refer to the website for installation.
Michelle
Reviewed in the United States on August 8, 2024
It increased pressure and accuracy but didnt let mags settle in well and skups feeding
Austin Best
Reviewed in the United States on March 15, 2024
I got this as a replacement part for one of my airsoft guns, and at first glance it looked pretty good. Clean corners, nice paint, good springs. But after installing it i noticed the wheel seizing up and the nub not coming down through the barrel as it should, even when aligned properly with the window of the barrel. Not sure if it needs a wider window, or if its a defect.
C_B_K
Reviewed in the United States on September 25, 2023
Too long. Cant put on my upper receiver.
Resonate
Reviewed in the United States on August 6, 2023
the bucking is really cheap and ripped when i tried to put it in the hop up. do not buy this unit its made very well but is not compatible with m4 rifles. (make sure you buy a well known brand not ones that you have never heard of like this one when you buy airsoft equipment).
Customer
Reviewed in the United States on June 27, 2023
I had to remove the large front spring that goes around the barrel to get it to work in my cyma m4. It's bb retention system is nice tho! Quality cnc, but performance not to different than stock.
Matt
Reviewed in the United States on February 13, 2023
I have a matrix M4 didn’t fit maybe will fit a larger receiver but not the matrix m4
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