The Shield Arms PMAGA(R) +5 Extension adds 5 rounds to your Magpul PMAGA(R) magazine. Our unique, easy access floor plate design allows you to quickly access the spring and follower without having to remove the extension from the magazine body. Features Index cuts on the extension body to increase grip when coming out of a magazine pouch. Machined from billet 6061 aluminum Type 2 anodized Adds 5 rounds to gen 2 or gen 3 Magpul PMAGA(R) Designed to work with OEM spring Proudly made in the USA