San Tan Tactical's Ultra Grip Kit adds a touch of flare while improving your ability to manipulate your firearm above and beyond the standard. Each component the shooter interfaces with is precisely machined from high-strength 7075-T6 aluminum blanks to feature the aggressive Ultra-Grip texture for confident, all weather manipulation. These components are also dimensionally similar to their MIL-SPEC counterparts, ensuring both optimal fit and preventing accidental activation.Features: Tough 7075-T651 aluminum billet Mag Release Button Cast A-2 Tool Steel Bolt Catch with black oxide finish Hardened steel forward assist with nitride finish Standard forward assist spring Ultra-grip dimple texture No-snag design to prevent accidental mag drops Hardcoat anodized black finish