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impact resistance
4 aluminum mid-sections)
designed to adapt to each user's needs
making it easier to pair with an R-hop patch without having to modify a bucking to make the R-hop fit
*This V2 version features an improved wheel section where it is now possible to use the original Silverback metal ball click system
Hop-Up Chamber for M4 SP-SILV-47 impact resistanceThe Retro ARMS design is very similar to the recent MaxModel chamber design, but significantly more affordable and, in our opinion, with better finishes and higher quality. Hop Up chamber for M4 type replicas. Retro ARMS chambers feature components machined from CNC aluminum EN AW 2007 and EN AW 7075; the adjustment wheel is made of polypropylene. The adjustment mechanism is highly effective because the lever does not bend due to the materials used.
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