The profile of the Tailhook Smith & Wesson M&P15-22 Extractor has been enhanced from the stock extractor to provide a strong, aggressive hook, which holds onto the rim of the cartridge for extremely positive extraction. Extra clearance has been added to prevent the build-up common in some .22LR ammo, which reduces overall effectiveness. The tip of the "hook" pushes against the cartridge and down on the rim to hold it in pla