Kit Specifications:
- Engine: PolarStar F2
- Trigger: Flat Trigger
- Outer Barrel: 14mm CCW CNC-Machined Aluminum
- Inner Barrel: 6.03mm ID × 250mm (Improved Accuracy & Efficiency)
- Hop-Up Arm: VFC MP7 Aluminum Arm
- Bucking: 4UAD
- Hop-Up Unit: OEM
- HPA Fitting: USA Standard
Chronograph Results with 0.30g bbs:
- 65 PSI: 1.2J
- 90 PSI: 1.7J
- Consistency: 0.01J deviation
Tags: bci, bull craft industries, bull craft industries, vfc, mp7, mp7 a1, hpa, kit, polarstar, polarstar f2