ALL NFA RULES APPLY
All versions of the Flux Raider X and MP17 stocks come with the compatible gas cap for their chassis. The brace gas caps are not compatible with the MEDIUM and LARGE stocks. The brace gas caps are compatible with the FLUSH stock.
Installation video found here:
If you are having trouble installing your stock, we offer an install service:
https://fluxdefense.com/product/flux-brace-stock-tune
