Yes. If your HK416 .22LR utilizes the M-LOK rail system then the A3 Tactical M-LOK Modular Vertical Foregrip will fit and function as intended on your rifle.
Yes. If your HK416 .22LR utilizes the M-LOK rail system then the A3 Tactical M-LOK Modular Vertical Foregrip will fit and function as intended on your rifle.