Brownells AR-15/M16 Carrier Key Staking Tool

Precision-machined, solid steel tool lets you stake the carrier key screws the best way-from the sides-to ensure they don't back out under the most strenuous rapid-fire conditions. Eliminates the hassle of trying to stake the screws with a hammer and punch that could slip and damage the key, screws, or carrier. Holds carrier securely and positions the key so it can be dimpled in the correct locations by tightening the four hex screws on the tool. An additional retaining screw on top of the tool prevents the carrier from moving. The tip of this screw is machined flat to make sure it applies even retaining force and won't mar the carrier. All screw tips are hardened to R Mfg: Brownells SPECS: 1018 carbon steel, black oxide finish. 3" (7.62cm) long, 2" (5.1cm) wide, 2" high.