Do any of you know what size o-rings go on the inside of a fill valve,? Not where you charge the gas, but on the threads.
KWA PTR LM4 380fps / 13 RPS - 15,500 rounds, No Problems
VFC 416D (M27 IAR) GBBR -
KWA Mp7 -400 FPS / 22rps - 25,000 rounds, No Problems
Have owned: E1 Stag-15, JG G36c, JG Tact. AK, JG AUG A1/3, G4-A3, ICS m4/16, VFC Scar-L, Socom Gear N-10", JG G3 SAS, VFC PDW, WE PDW, WE Scar, WE m14, E1 MTC, E1 Scar, TM Mp5, ACM M500, KWA 1911, Cyma M14, WE 1911, KJW 5.1, Magpul Masada, A&K Masada, KWA S-sytem, VT MK18, A&K 249, E1 Baby m4, TM mk23, TM 5-7, KJW m700