HOP UP BERSERKER DELTA ARMORY PSIONIC (DA-HOP-BER)

Latest generation R-hop style Hop-Up rubber that will leave you amazed even with heavy pellets!
Compatible with every AEG, barrel and hop up on the market
Resistant to low temperatures
Use it with any weight of bbs
Improved contact surface with bbs guides

Psionic concave pressers + 0.25gr / 0.28gr optimized for hop up chamber dimensions: larger "M" for Delta Armory, retroarms, maxx model, shs, evolution, specna, etc.. a smaller "S" for g36, steyr aug, p90 etc..
Wider pressers than the previous ones for perfect centering
Concavity designed to wrap the bbs