in the same category
The S63 Tactical is the successor to the Quake barrel system. With the high-precision and rifled PWR inserts, it is probably the most advanced, accurate as well as efficient four-piece barrel system on the market. Four-piece? Yes, read that correctly. The S63 Tactical consists of a rifled PWR case, the barrel back and the two-piece muzzle adapter including the Quake Muzzle. The adapter offers a 7/8-20 thread which makes it compatible with all popular muzzles from MCS, Lapco and more.
The S63 Pro is the most advanced Planet Eclipse barrel system yet! Introducing the Eclipse PWR Inserts and 3-piece construction, the S63 Pro offers exceptional shot consistency and accuracy and combines it with aggressive styling, reduced sound signature, and class-leading flexibility and options.
S63 Pro. Exceptional shot consistency. More control. More precision. More options.