Reinforced piston for Dragunov SVD, A&K, SHS

Metal reinforced piston for spring powered SVD Dragunov [A&K] from SHS (ref. PPS). The design is totally different from the serial pistons used in rifles SVD of A&K. As is already evident from the photograph the piston is not only one piece, but it is composed of several separate functional parts. Roughly speaking, it consists of lightweight duralumin body steel and capture most metallic piston head with the bearing. Its low weight warrants smooth operation and precisely spaced tapered hole combined with two o-rings optimally enhance performance. Bearing on the piston head prevents undesirable twisting of spring. The precision piston manufactured on CNC machines is one of the essential components when upgrading to more powerful weapons and spring without problems and can withstand M190. Unbeatable price/performance ratio.