Magpul PMAG 5 AC L - Magnum 300 Winchester Magnum Rifle Magazine - 5 Rounds - The PMAG 5 AC L - Magnum is a reliable and durable polymer magazine for the 300 Winchester Magnum-based family of cartridges and is compatible with long action AICS-spec bottom metal, including the Bolt Action Magazine Well 700L for the Hunter 700L Stock. It features GEN M3 technology, a paint-pen dot matrix for visual identification, and a flared base plate for positive control and ease of retrieval. Made In The USA