ENHANCED DURABILITY - Constructed from black anodized 6061 T6 aluminum, this handguard offers exceptional strength and longevity, ensuring reliable performance in demanding conditions. SUPERIOR ACCURACY - Provides a stable and rigid platform for mounting accessories, which can improve shooting accuracy and consistency with your HK 91 or HK33 variant. WIDE COMPATIBILITY - Designed to fit carbine length HK 91 variants and most HK33 variants, offering a seamless integration and upgrade for your specific firearm model. EASY ACCESSORIZATION - Features 5 M-Lok rows for versatile attachment of lights, lasers, grips, and other accessories, allowing for complete customization of your setup.