JL Billet Internal CA Magazine Lock Upgrade

This Kit is only For JL Billet Receivers Manufactured with a vertical threaded hole above the Magazine catch on the left side of the lower. Specifications for JL Billet Internal CA Magazine Lock Upgrade: Manufacturer: JL Billet Gun Make: DPMS Gun Model: DPMS LR-308 Color: Black Gun Type: Rifle Weight: 0.1 lb Country of Origin: USA Features of JL Billet Internal CA Magazine Lock Upgrade AR15 California Compliant Mag release, AR Maglock quick install to convert ARs for Cali Compliance Package Contents: JL Billet Internal CA Magazine Lock Upgrade Mag Catch Locking Pin Set Screw Spring