Airtech Studios M4 Standard Hopup R-Hop and M-Nub

Airtech Studios M4 Standard Hopup R-Hop and M-Nub

$14.99
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Airtech Studios M4 Standard Hopup R-Hop and M-Nub Thinking of installing an R-Hop set-up on your rifle? Instead of modifying your stock ARM by cutting /sanding which may run the risk of an unbalanced force pressing on the R-hop patch - our R-HOP arm is designed to be a drop-in upgrade to mitigate the risk to give a perfect, TDC (top-down-centre) evenly forced pressure. We were inspired by the self-leveling nub feature found on the Maxx brands for the Silverback SRS hop-up and wanted to bring ideas to the M4 platform.  Features - Perfect Self-Levelling TDC Top-down-centre force applied evenly on the R-Hop patch.- No need for modifying the stock arm and adding M-nub (our arm provides both!)- Easy drop-in with no modifications required.- M-nub provides an even distribution of force applied across the whole surface of the R-Hop patch.- Tough Polycarbonate Construction.- Compatible on all M4 original type "3 Gear" hop-up unit chambers. PERFECT TOP-DOWN CENTRE (TDC) FORCE For R-hop to funct

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