Ultra-light Harris Bi-pods are expertly crafted for quick deployment and exceptional quality, utilizing heat-treated steel and hard alloys for durability. These adapters enable you to seamlessly attach any Harris Bi-pod to your preferred firearm, enhancing stability and accuracy. The adapter features a 5/8 inches round head flange nut, making it particularly compatible with Ruger model 77 Synthetic stocks. Please note, this listing is for the adapter only, bi-pods are sold separately.