Using only the best of raw materials available and without the use of unnecessary coatings, Prometheus Inner Barrels are made with precision to maintain pinpoint accuracy for every pull of a trigger.

EG Inner Barrel Info:

• Length: 407mm, for M4A1/R.I.S./SR16/S-SYSTEM and SG551 (All +)
• High precision inner barrel, 6.03mm diameter
• Materials: High quality Stainless Steel
• Made in Japan, Superior Quality!
• Made for Tokyo Marui based AEGs and Clones