Unicorn Airsoft Precision Grade Inner barrel set
-Enhances range,accuracy and muzzle velocity.
-Precisely polished 6.01mm tight bore inner barrel
-Fit for MARUI/ KJ/ VFC/ WE
-NITROFLON coated- makes the ib silky smooth to nearly zero friction with bb pellets and prolong the barrel durability.
- 60 degree hop-up bucking included
- Material: NITROFLON coat with copper
-370 mm for M4 GBBR
MADE IN TAIWAN