Wilson Combat AR15 Multi-Cal Extended Serrated Bolt Release Black Nitride. This mil-spec addition is made to match a majority of typical rifles so it's certainly worth investing in if you're an avid shooter. Upgrade today - you won't be disappointed Constructed from carbon steel and treated with a patented nitride finish this bolt release is extremely durable and offers a smooth snag-free operation. The extended and serrated design lets you easily release the bolt without repositioning your firing hand while the texturized surface helps ensure a secure grip even in wet or cold conditions. Whether youre looking to customize or upgrade your rifle this Wilson Combat multi-cal bolt release is the perfect solution. Get yours today and experience a smooth reliable operation for years to come AR-15 Black nitride finish Fully hardened carbon steel Fits most forged and billet lower receivers Specifications for Wilson Combat AR15 Multi-Cal Extended Serrated Bolt Release: Manufacturer: Wilson Combat Color: Black Features of Wilson Combat AR15 Multi-Cal Extended Serrated Bolt Release Up your shooting game with the Wilson Combat multi-cal extended and serrated black carbon steel nitride bolt release for AR-15. Package Contents: Wilson Combat AR15 Multi-Cal Extended Serrated Bolt Release Wilson Combat TR-BS-15: AR15 Multi-Cal Extended Serrated Bolt Release Black Nitride