The FG-Airsoft M4 light weight recoil buffer weighs 45g and features an intergrated restart spring.
This upgrade part will increase your rate of fire by up to 150% but please note that this will vary depending upon platform and conditions of use.
Apart from increased ROF you should experience a crisper recoil sensation especially if combined with a RA-TECH Winter type recoil spring.
Compatible with WA, WE,G&P, INO, VIPER, GHK KSC/KWA. Not suitable for TM.