Transform your MK IV experience with our Extended Bolt Release, meticulously designed to ease every action. Its larger surface area and deep serrations ensure effortless thumb engagement, offering you the precision and comfort needed for those critical moments that demand quick and reliable operation.

• Enhanced Ergonomics: Offers a larger surface area and deep serrations for effortless thumb engagement, simplifying bolt release on the MK IV.
• Precision Machining: Crafted from 416 stainless steel, this bolt release pad extends .050" more than the standard factory release, combining a flat ergonomic design for superior target shooting performance.