Dongsan KTW M1873 Winchester Gas Conversion Kit 
 
Mainly Main By Metal & ABS Parts
Enable to let your KTW Dongsan M1873 Winchester Rifle, Carbin & Randall becoming Gas Cocking Verison
M1873 Winchester Rifle & Carbin will become around 350-400 FPS base on 12kgs Top Gas
M1873 Winchester Randle will become around 270-300 FPS base on 12kgs Top Gas