Check the listing for details. Magazine Feed Lip Adjustment Tool NEW. Condition: New. Listed at 34.99 USD. 516 Magazine Feed Lip Adjustment ToolFor adjusting Rifle and Pistol Magazine Feed Lips Works on Steel or Aluminum Magazines Only Does not Work On Plastic Magazines Reforms Feed Lips For Improved Magazine Performance Feeding problems and jams in your Mags can often be attributed to bent or malformed magazine feed lips. This easy-to-use tool is designed specifically to bend the feed lips back into place, so they guide the cartridge body like they’re supposed to. Trying to straighten the lips with pliers can create rough, unsightly gouges, or worse yet, cracks in the metal that can’t be repaired. The machined, steel shank with bevel cut and slot allows you to hook the lips and keep them supported, while you tweak their angle of contact on the cartridge case. Helps you recondition those old magazines, and saves the cost of buying new Check out my other Items