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For: Prometheus EG Precision Inner Barrel for M16A1/A2/VN/AUG (550mm)Product Information:
This barrel offers a major performance increase over any stock barrel.
Its very easy to clean, and isn't teflon coated like Madbull's (known to wear off after a few thousand rounds)
My groupings and range were notably increased after installing this barrel once it was broken in.
Prommy is up there with some of the best brands. While Madbull may be the best bang-for-buck value, these barrels come close.
Relatively inexpensive (compared to ORGA/PDI)
Relatively expensive (compared to Madbull)