Brand new Compatible with short action AICS (Accuracy International Chassis Systems) pattern bottom metal and cartridges built on a 0.470" case head such as 7.62x51/.308 Winchester, 7mm-08 Remington, 6.5mm Creedmoor, .260 Remington, .243 Winchester, and others Accepts a cartridge overall length of up to 2.86" Next-generation impact and crush resistant polymer construction Self-lubricating follower for increased reliability Long life stainless steel spring Paint pen dot matrix panels on the bottom of the body to allow for identification marking Flared floorplate aids magazine handling and is easy to disassemble for maintenance NOTE:  Not compatible with smaller base diameter cartridges such as .220 Swift, .223 Remington, .300 AAC Blackout, etc. or larger short action magnums. In addition, due to the wide variety and potential combinations of aftermarket receivers, stocks, chassis, and bottom metal that accept AICS pattern mags, minor fitting may be required. Not compatible with Accuracy International AE rifles or semi-auto platforms utilizing SR25/M110 pattern magazines.