APA Gen 2 Little Bastard Muzzle Brake - 6.5 Black Nitride - 5/8-24
 
6.5mm – Good for any bullet caliber up to and including 0.264 (6.5mm).
 
The industry leading Gen 2 is a two piece design that allows the shooter to quickly install or remove their muzzle brake for whatever reason.  Say goodbye to crush washers, peel washers or the need for a professional installation. Your hands and a cresent wrench are all that is needed.
 
The LB is a perfect fit for barrels .750 -.900 inches in diameter at the muzzle. This brake is 1'' in diameter and should not be turned down less than .925".
 
Overall length is 2.225".
4.1 oz.