Outer barrel - 22'' fluted
22 inches outer barrel (SRS402) made by CNC. 6061 T6 aluminium, deep fluting, with an inner diameter of 8.56 mm eliminating the necessity of barrel spacers.
It accepts inner barrels with a lenght of 578 mm, and a diameter of 6.55 mm or lower (AEG standard size). Muzzle features a 14 CCW airsoft standard barrel thread.
Complete hopup unit (SRS407/SRS408) is included, with five M3x4 *e screws, 19x2 oring, 8x2 oring, and pre-installed 5.8x0.75 orings. Desert Tech licenced product.