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Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEGs - Red

ID: 59004 (HU-Retro-6388)
Retro Arms59004
Evike.com
3.8 stars, based on 4 reviews
Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEGs - Red
Hover or touch above to zoom
May come in black or silver anodized coating, depending on batch

$28.00

Features:

  • CNC machined construction
  • Rotary design allows for easy adjustment
  • Constructed from EN AW 7075 for extended lifespan
  • All necessary hardware included
  • Bucking not included
Compatibility: Most M4 series Airsoft AEGs
Material: Aluminum alloy

Manufacturer: Retro Arms

4 Customer Reviews

(Write a review)

by Jeff S. on 11/15/2017
"Ok so I did have to trim my prommy flat bucking, but other than that this hop up is damn good. The wheel tends to be harder to turn, at least on mine, towards max hop, but normal use will make it easier and it prevents any hop up walk you might see.
Already ordered 2 more.
by Matthew R. on 08/10/2017
"Got this from brill armory, but thought I'd share my review here too. I think this is the best hop up chamber ever, better than prowin. It features everything the prowin has, but is actually CNC'ed, has little notches to prevent accidental rotary movement, has a collet nut to provide absolute solidity, and is fully 7075 t6 cnc aluminum. Love everything about this thing.
by anthony l. on 06/01/2017
"This is an amazing hopup unit. Sadly, evike forgot to note that this hopup chamber uses a shorter bucking than traditional buckings. Every other website that sells these does mention that. Other than that, I love how this bucking performs. I think it is sturdier and provides a more consistent hop than other units due to a small spring pushing the hopup arm.

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