Home / Accessory-Ammunition / Byrna Technologies BYRNA ECO-KINETIC ROUND 400PK View cart “FN GUNR 40GR 5.7 FMJ 500RD CASE” has been added to your cart. Sale! Byrna Technologies BYRNA ECO-KINETIC ROUND 400PK$12999 Original price was: $12999.$11744Current price is: $11744. Out of stock SKU: RB68406 Category: Accessory-Ammunition Product ID: 54976 Description Description Solid Plastic ProjectilesPack of 400Water Soluble Related products FN AMMO 27GR 5.7 LEAD FREE 50RD. $5499 Sale! FN GUNR 40GR 5.7 FMJ 500RD CASE $34000 Original price was: $34000.$28939Current price is: $28939. Sale! Speer Ammunition GOLD DOT 30SC 115GR HP 20/200 $3799 Original price was: $3799.$3764Current price is: $3764. Sale! FN AMMO 30GR 5.7 JHP 500RD CASE $45000 Original price was: $45000.$38528Current price is: $38528.