Yankee Hill Machine Company Model-57 Features The Yankee Hill Machine Company Model-57 runs on a semi automatic centerfire action chambered in 5.56 giving shooters a fast-cycling platform suited to both field and range work. Its threaded barrel carries a 1:8 twist rate a rate chosen to stabilize a wide range of 5.56 bullet weights so the rifle stays versatile across different loads. The threading on the muzzle end allows shooters to add a compensator flash hider or suppressor adapter to tailor recoil management and sound signature to their needs. As part of the Hunt Ready series this carbine is built with the expectation that it leaves the box prepared for immediate use in the field. Finished in black the Model-57 presents a clean functional look that suits hunting blinds range bags and home defense roles without drawing unwanted attention. The 30-round magazine capacity means fewer reloads during an extended range session or a long day in the field keeping the shooter focused on the target rather than on magazine changes. Yankee Hill Machine Company built its reputation on precision-machined components for the AR platform and that manufacturing background carries through into this complete carbine. The Yankee Hill Machine Company Model-57 is well suited to hunters chasing varmints or predators home defense shooters and range enthusiasts who want a 5.56 carbine ready to perform from day one. Yankee Hill Machine Company Model-57 Specifications Manufacturer: Yankee Hill Machine Company Model: Model-57 Series: Hunt Ready Action: Semi Auto Caliber: 5.56 Capacity: 30+1 Twist Rate: 1:8 Threaded Barrel: Yes Color: Black Barrel Length: 16 Available At: GrabAGun