Conversion kit for the VFC SR25 gbbr and variants. This kit allows for the use of the 4UAD Magnus Pro Hop Chamber in the SR25 receiver.
Stock SR25 barrels are not compatible unless modified using a lathe. The included barrel base is required if the stock barrel is not modified.
OEM SR25 nozzles are not compatible. The included nozzle is required to be used.
The author marked this model as their own original creation.