Aero Precision EPC/AR9 9mm Luger Buffer Kit

The Aero Precision EPC Receiver Extension Buffer Kit features Aero Precision's Enhanced Carbine Buffer Tube and their 7.7oz buffer and spring specifically optimized for use in the Aero Precision EPC. The 7.7oz EPC buffer is not intended for use in AR15 or M5 platforms. The additional length and weight will not allow for proper cycling of standard platforms. Kit Includes EPC Buffer 308 Carbine Buffer Spring Enhanced Carbine Buffer Tube Mil-Spec Receiver End Plate Mil-Spec Castle Nut Stock NOT Included Note: For use in a 40S&W, 10mm, or 45ACP build we recommend the use of a heavier buffer spring.