Aluminum Bolt Carrier (Type B) For Tokyo Marui M4A1 MWS - The new style bolt carrier with upgraded material 7003 aircraft grade aluminum which increase durability. Additionally, skeletonize design further reduce weight to 87.43g for a faster shooting cycle and rate of fire. This is the ultimate bolt carrier for competition shooters looking for stability, accuracy, durability to capable for intense competition requirement.

- Made of Aluminum
- suitable for Marui M4A1 MWS GBB
- replace the original part

Manufacturer : UAC