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Improved Cold Resistance
Hop-Up: Adjustable
manufactured by 5KU for the AK/PK series
as the condition of each airsoft replica may vary
Install the Stalker TAC41 Double Fin SR-hop bucking onto your GBB inner barrel
GBB Flat Hop-Up Rubber (Set) SP-WII-59 Improved Cold ResistanceGBB type flat hop up rubber set with 4 hardness options (50 60 70 80). Initially designed for the TAC 41 GBB hop up, this hop up rubber is compatible with most airsoft guns that use GBB hop up rubbers. Made from transparent silicone for easier installation, this kit includes 4 hardness levels: blue color, 50 green color, 60 yellow color, 70 red color, 80
US$ 39.00
US$ 25.95
US$ 31.00
US$ 23.99
