The Rival Arms RA72G001D Extended Mag Release is crafted to ensure ease of use with its comfortable angle. It features a slimmer profile, minimising the risk of accidental drops. Constructed from durable aluminum, this product also includes a mag release spring.
Please note however that the Gen 3 part is not compatible with the Glock 21SF Gen 3 that has an ambidextrous mag release.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.