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Systema All Helical Gear Full Set Torque Up Ratio

SKU ZS-02-17
by Systema
Original price HK$1,230.00 - Original price HK$1,230.00
Original price HK$1,230.00
HK$1,230.00
HK$1,230.00 - HK$1,230.00
Current price HK$1,230.00

All helical super strong gears and piston replaces factory original set for greater durability and quieter operation on your AEG. Helical gears operation more quietly than flat gears! Torque-up ratio allows these gears to drive spring rates up to M140. Note that helical gears require more care and experience in setting properly than flat gears.