Piston Head for Tokyo Marui Next Gen M4, SCAR

<p>POM piston head with double o-rings , 1 o-ring and 1 x-ring<br /> for MARUI NEXT GEN RECOIL SHOCK (TPSRE).<br /> POM piston head with ERGAL seragger (aluminum 7075) and stainless steel screw.<br /> ERGAL Spring bearing cage, thrust bearing in steel and brass, spring support in stainless steel.<br /> Compatible with M4 / SCAR TOKYO MARUI EBB.<br /> This product is designed and manufactured entirely in Italy according to specifications by Ternisoftair, a company that has years of experience in repairing and preparing Tokyo Marui Next Gen products.<br /> The X-RING sealing piston head (XRTP) with quadrilobed section, during dynamic stresses are not subject to rounding in the seat.<br /> The X-rings have less wear than the O-rings because they require less radial pre-compression which results in less contact pressure.<br /> A lubricant tank can be generated between the sealing lips.<br /> There is an optimization of the sealing effect thanks to a better distribution of the pressure reported to the square section.<br /> The X-rings eliminate any negative effects on the mold closing line, since it is located in the throat between the two lips.<br /> 100procent COMPATIBLE MARUI<br /> 100procent MADE IN ITALY</p>