PSA Rock Extended Mag 5.7 Listing ID: 3079454

2 PSA Rock Mags with +7 mag extensions for $100. I will throw in 30rds of black tip 5.7 and you can keep the mag pouches. 682-521-9522

Retail price of the mag extensions before tax and shipping is $45 each. Will trade for 9mm subsonic ammo.