6.03mm Hybrid Precision Inner Barrel 407 mm

The Modify Hybrid Precision Inner Barrel is 407mm long with an inner diameter of 6.03mm, suitable for M4A1/R.I.S/SR16, SIG551(ALL +). Made of high-grade stainless steel and aircraft aluminum alloy, the Airsoft Inner Barrel is extremely straight with high rigidity, which enables AEGs to achieve greater range and improved overall performance. Its O-Ring design reduces barrel vibration to improve accuracy.