Prometheus

6,05MM Prometheus Returner AEG "Big Windows" This inner barrel perform better hop because of 6.05 and have big window to hop heavy bb's Read more

6,05MM Prometheus Returner AEG "Big Windows" This inner barrel perform better hop because of 6.05 and have big window to hop heavy bb's Read more

NGRS MP5 EG Barrel 229mmInner bore width of ?6.03mm with a ±0.01mm tolerance!
Solid BB stability and accuracy, made with enhanced stainless steel (SUS) material!

Inner barrel bore width of 6.03mm with a tolerance of?±0.01mm, made of stainless steel for s Read more

EG Barrel 247mm G36C P90 CAR15 SIG552 Read more

EG Barrel for G36C-P90-CAR15-SIG552 247mm 6.03mm Read more

Prometheus inner barrels comes directly from Japan with high quality production.All prometheus inner barrels are:

6.03 mm inner diameter
Made from high quality stainless steel
Internally polished with precision crown
Made in Japan

Part of Laylax company Read more

EG Barrel for G&G CM16 SRL 260mm 6.03mm Read more

6,03MM EG barrel 260mm AK74U M4CRW Steyr HC Read more

6,03MM AEG Barrel 275.5mm Next Generation HK416D Read more

6,03MM KRYTAC AEG Barrel 280mm CRB LMG Read more

6,03MM AEG inner Barrel 285mm MC51 Read more

6,03MM AEG barrel 300mm AA-12 HK417 SCAR M733 Thompson Read more

6,03MM AEG Barrel Magpul PTS MASADA 318mm Read more

6,03MM EG Barrel 363mm SOPMOD M4A1 SR16 SG551 Read more

EG Barrel 407mm M4A1 SR16 SG551 Read more

6,03MM AEG Barrel 420mm M14 Exclusive Short Read more

6,03MM EG Barrel 433mm Type89 VSR-10 (Aeg Fitting or Vsr-10 Aero Chamber) Read more

6,03MM EG Barrel 455mm AK47 / AK47S Read more

6,03MM AEG Barrel 460mm AK74MN Read more

6,03MM AEG Barrel 469mm G3/SG-1 Read more

6,03MM AEG Barrel 500mm M14Exclusive Read more

6,03MM EG Barrel 509mm for M16A1, M16A2, M16VN, AUG Read more

6,03MM AEG Barrel 534mm SG550 Read more

6,03MM AEG Barrel 550mm M16A1 A2 VN Steyr AUG Read more