BBT CNC Steel Bolt Carrier For VFC M249 GBB LMG Airsoft

Key Feature 5 axis CNC #45 Steel Construction Airsoft Bolt Carrier (QPQ surface treatment) High Strength Material High Wear Resistance Better heat & stress resistance The workmanship and dimensional tolerances are very close to those of the original factory parts Also can Increases Blowback Recoil Suitable For VFC M249 Gas Blow Back GBB LMG Light Machine Gun Airsoft