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Internal Upgrade Parts >  
300mm Tight Bore Barrel 6.03mm

 

Material : Aluminum
Item Number : JA-50

 

6.03mm Tight Bore inner Barrel 300mm Hard Anodized, aluminum construction.Iincrease FPS by 10-20 without additional modifications. Compatible with M4 CQBR series


 
 
 
 
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