CZ Rifle Magazine 243 Win/308 Win 4 rd. Fits 557 Steel body for durability;Impact-resistant polymer floor plate;Precision-machined for a snug fit;4-round capacity;Fits CZ 557 model;Compatible with .243 Winchester and .308 Winchester;Designed for reliable feeding and smooth operationtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7600 Product Group Code: 7600H Product Sub Group 1: 7600H2 Inactive: No