Lancer Tactical 6.02 x 170mm Tight Bore Inner Barrel

Overview
Airsoft BBs are now made with a tolerance of +/- 0.1mm so having a tighter bore inner barrel it will help you acheive maximum range, groupings, and accuracy. 6.02mm barrels also provide less air volume in the barrel, resuilting in less air needed from the cylinder for each shot fired. 
 
Specifications
Manufacturer: Lancer Tactical
Product Construction: Stainless Steel
Inner Diameter/Bore: 6.02mm
Length: 170mm
Weight: 24g
Color: Silver
Compatibility: All Marui Compatible AEG's and other rifles utilizing standard AEG specification inner barrels
 
Features
Increase range/accuracy
High polish internal bore
Tight air seal design
Precise 6.02mm inner bore improves grouping and accuracy
Tighter internal bore may increase muzzle velocity by 20~50 FPS (varies depending on barrel length used, as well as the air compression and internal components of the AEG)