FEATURES: Constructed of heat treated steel Coated with a black Teflon finish Long action magazines are available 338 Lapua Long action magazines are available in three different cartridge lengths, 3.715", 3.775" and 3.850". 3.715" is used on many factory rifles and the MDT TAC-21 long action chassis (100-008-333) 3.775" is compatible with Remington long action Police rifles 3.850" is compatible with Savage 110 FCP HS Precision .338 Lapua Polymer followers Made in USA AICS style magazines, fit AICS stock and other AICS compatible bottom metals BENEFITS: High quality USA made maga Mfg: Accurate Mag