Modify 6.03id Hybrid Tight Bore Barrel

Features: 1st Class Stainless Steel + Aircraft Aluminum Alloy. Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration. Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up. Modfiy Hybrid 6.03 Precision Inner Barrel - 141mm for PDW (HP-03-01)(4713072164650) Modfiy Hybrid 6.03 Precision Inner Barrel - 229mm for SG Series (HP-03-02)(4713072164667) Modfiy Hybrid 6.03 Precision Inner Barrel - 247mm for E90 (HP-03-03)(4713072164674) Modfiy Hybrid 6.03 Precision Inner Barrel - 285mm for M4CQB-R (HP-03-04)(4713072164681) Modfiy Hybrid 6.03 Precision Inner Barrel - 300mm for M1A1,MC51 (HP-03-05)(4713072164698) Modfiy Hybrid 6.03 Precision Inner Barrel - 315mm (HP-03-18)(4713072164728) Modfiy Hybrid 6.03 Precision Inner Barrel - 363mm for M4 (HP-03-06)(4713072164704) Modfiy Hybrid 6.03 Precision Inner Barrel - 407mm(HP-03-07)(4713072164711) Modfiy Hybrid 6.03 Precision Inner Barrel - 433mm for Type89, BAR10/VSR10 (HP-03-08)(4713072164728) ** No