The Palmetto State Armory Custom Series is proud to have partnered with Grovtec to produce a new lineup of parts and accessories to take your AR game to the next level. Allows you to use your suppressor for larger 5/8" - 24 threaded barrels on smaller diameter barrels that have 1/2" - 28" thread. One Piece Steel Construction. Black Oxide Finish Build your Dream AR with Premium Parts and Accessories from the Palmetto State Armory Custom Series.#html-body [data-pb-style="62DF828D55005"]{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: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF828D55012"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}