Nice piece of machining! Improves grip and leverage for sure! I wish it came in different thread pitches. It didn't exactly fit my Remington 700 Magpul. Had to chase the threads with the right tap, but as long as it's not being installed and removed multiple times, it'll do just fine. 5/16-18... Why does Remington have to be difficult?! Anyway, nice piece and worth the pesos!