With models spanning from 4.25” to 16” long, the Helix Series of free-floating handguards from SLR Rifleworks offers lightweight ruggedness to match virtually any AR-15 build’s needs—the 7.5” version being perfect for pistols or SBRs utilizing an 8” barrel. Available in both M-Lok- and KeyMod-compatible configurations, with Picatinny rail along the top of the handguard at the receiver and the muzzle, and a pair of QD sling sockets on the 3- and 9-o’clock faces, the 6.4-oz. Helix 7.5” is built from hard-coat anodized 7075 aluminum and has a 1.35” internal diameter. Price: $220. slrrifleworks.com.