[VFC] M4 GBBR High Speed Buffer and Spring Set

Description: [VFC] M4 GBBR High Speed Buffer and Spring Set Spare / replacement buffer and recoil spring set for the VFC gas blowback M4 carbine. This one has a spring supported buffer to recycle more return energy for a faster cycle (supposedly) as well as an optional addition buffer block to shorten the recoil length (though that will prevent the bolt from locking). Specification: Part No.: VF9-BFR-M4G-HS Material: Metal Compatibility: VFC M4/HK416 Gas Blowback GBB Series Weight:130g* Package Contents: Spring x 1set