CowCow RS1 Recoil Spring Polarstar Conversion kit Flatter and Slender trigger design

Flatter and Slender trigger design

Now's your chance to add a few more rails for more attachments to spice up the ACR

First tooth metal

designed for your pistol

CowCow RS1 Recoil Spring Polarstar Conversion kit Flatter and Slender trigger designCowCow RS1 Recoil Spring RS1 Recoil Spring is made of high strength spring steel. Its short length design with 2 different tensioned coil zone can enhance the efficiency of recoil cycling. Also it can improve the recoil control and make easier handling on blow back cycling. Highlighted features Made from High Strength Spring Steel Hard Coating Prevents Corrosion Provide 120% 140% power on different tension zone Shorten length with harder coil Improve