Prometheus 6.03 14.5 inch Inner Barrel For Magpul PTS MASADA AEG (380mm)
The Magpul PTS Masada AEGs are known for their excellent performance straight out of the box. However, a significant aspect of their appeal lies in their upgradability, which is often a crucial factor in evaluating AEGs over the long term. These AEGs are readily available in two variations: the full-length 14.5 inch barrel (with a 380mm inner barrel) and the shorter 11.5 inch (with a 318mm inner barrel) CQB version. Importantly, these inner barrels are specifically designed for the Magpul PTS Masada AEGs.
Prometheus, a reputable high-end brand that specializes in aftermarket parts, places a particular emphasis on enhanced performance. Their inner barrels have gained recognition as a top-tier choice for tightbore inner barrels.
While the 02 and 01 barrel options offer outstanding performance, they require the use of premium Japanese brands (such as Excel) exclusively. Non-premium or non-Japanese brands tend to have slightly larger BBs, which can cause jams in 01 barrels and issues with 02 barrels.
With an inner diameter of 6.03mm, Prometheus barrels provide a tighter fit for ammunition compared to most stock varieties, which typically fall within the 6.05+ range. However, they are not as tight as 02 or 01 barrels, making them more manageable to work with. The 6.03mm inner diameter is generally considered the sweet spot for combat weapons, as it strikes a balance between achieving performance improvements and accommodating common types of ammunition.