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Internal Upgrade Parts > Tight bore inner barrel  
509mm GBB 6.01mm tight bore barrel

 

Material : Aluminum
Item Number : JA-76

 

6.01mm WE GBB Tight Bore inner Barrel 509mm Hard Anodized, aluminum construction.Increase FPS by 10-20 without additional modifications. Compatible with WE M16 series!!!


 
 
 
 
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