When you install a Magpul Industries B.A.D. Release Lever, you find out that B.A.D. stands for Battery Assist Device and that it provides better reloading and jam clearing for your MSR. These AR15 Bolt Catches & Releases from Magpul Industries clamp to the standard bolt catch and wrap down and around in front of the trigger to give you access to the bolt catch from both the left and right side. Whether you are a leftie or a rightie, the Magpul Industries B.A.D. Bolt Release Lever gives you operational choices in addition to all the techniques you already use. Make your gun look BAD and improve your speed and efficiency when you shoot with the Magpul Industries B.A.D. AR15/M16 Bolt Release Lever. Specifications for Magpul Industries B.A.D. Lever: Manufacturer: Magpul Industries Fabric/Material: Aluminum Color: Black Finish: Black Condition: New Features of Magpul Industries B.A.D. (Battery Assist Device) Bolt Release Lever AR15/M16, 55-BCR-MAG980: Compatible with standard Mil-Spec forged AR15/M16 receivers. Thin, anti-snag profile and textured surface still allows for traditional manipulation of the bolt catch while maintaining unobstructed access to the trigger. Easy attachment to the existing bolt catch paddle via one screw. Machined from durable billet 6061-T6 aluminum. Finished with MIL-A-8625F, Type III, Class 2 hard anodizing with manganese phosphate on the screw per MIL-DTL-16232G. Ambidextrous and ergonomic. Torx mounting screw with Nyloc Blue patch prevents back out. Ideal for competitions that require single round loading. Faster reloads and more efficient jam clearing. Great upgrade for both right and left-handed shooters. Easy to install. All mounting hardware included. Package Contents: Magpul Industries B.A.D. AR15/M16 Bolt Release Lever, 55-BCR-MAG980