#html-body [data-pb-style=P3U71AK]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=UCD2SRU]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}The Shield Arms S15 Magazine Extension adds 5 rounds to your S15 magazine. The 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. Index cuts on the extension body to increase grip when coming out of a magazine pouchMachined from billet 6061 aluminumType 2 anodizedAdds 5 rounds to the S15 magazineComes with a 12 coil plus power springFits Shield Arms S15 magazine onlyProudly made in the USA