WARNE CZ 557 RINGS FUNDAMENTALS EXPLAINED

The hollow forend is squarish and, just like the grip, has angled flats over the bottom and higher edges. The grip panels have a series of elevated rib-like lines rather than being stippled or checkered. Two recoil lugs are moulded in together with the sling swivel studs.The shoulder formed about the bolt aids confine escaping fuel to the receiver