Pro-Arms 130% Steel Recoil Spring Guide Rod for SIG AIR / VFC P320 M17 GBB

Pro-Arms 130% Steel Recoil Spring Guide Rod for SIG AIR / VFC P320 M17 GBB Steel Construction 130% Power Designed to increase the felt recoil impulse, durability, and cycling speed Suitable For SIG AIR P320 M17 Series Airsoft Gas Blow Back GBB Pistol