Unicorn Precision Grade Ib set
-Enhances range,accuracy and muzzle velocity.
-Precisely polished 6.01mm tight bore ib
-Fit for MARUI/ KJ/ VFC/ WE
-NITROFLON coated- makes the ib silky smooth to nearly zero friction with bb pellets and prolong item durability.
- 60 degree hop-up bucking included
- Rubber Hop up Tensioner included
- IB spacer included
- Material: Copper, NITROFLON coated
-150 mm for M4 AEG
MADE IN TAIWAN