Q ACC-FIX-HG-QSERT-7IN The FIX 7" Q-Sert HandguardThe Q, LLC. The FIX 7" Q-Sert Handguard, identified by the product code ACC-FIX-HG-QSERT-7IN, is a specialized accessory designed for The Q FIX rifle. With a compact length of 7 inches and featuring the Q-Sert system, this Q ACC-FIX-HG-QSERT-7IN handguard offers a modular platform for easy attachment of accessories, providing enhanced customization and functionality to The FIX rifle. Q, LLC. The FIX 7" Q-Sert Handguard ACC-FIX-HG-QSERT-7IN