Belgium and Portugal have adopted it as their service rifles, plus lots of smaller contracts here and there for various special forces and police units: https://en.wikipedia.org/wiki/FN_SCAR#Users. The SCAR-H also seems some use, mainly in its DMR variants - the French for example adopted it to replace their Cold War-era sniper rifles.
But in the US civilian market, yes, it’s not that popular (but that’s generally the case for anything that’s not an AR-15 - import restrictions mean stuff costs a lot more that it’s supposed to, so a lot of European manufacturers’ rifles that were designed as cheap mass-adoption items instead end up as essentially boutique products, at which point the price isn’t really justifiable for anyone who’s not a collector)
Belgium and Portugal have adopted it as their service rifles, plus lots of smaller contracts here and there for various special forces and police units: https://en.wikipedia.org/wiki/FN_SCAR#Users. The SCAR-H also seems some use, mainly in its DMR variants - the French for example adopted it to replace their Cold War-era sniper rifles.
But in the US civilian market, yes, it’s not that popular (but that’s generally the case for anything that’s not an AR-15 - import restrictions mean stuff costs a lot more that it’s supposed to, so a lot of European manufacturers’ rifles that were designed as cheap mass-adoption items instead end up as essentially boutique products, at which point the price isn’t really justifiable for anyone who’s not a collector)