Dessa fjädrar passar Hatsan 125... Endast monteras på licensvapen Increase the precision of the shoot; - Decrease the stride and the vibration of the rifle when shoot; - They're loaded with Nitrogen. Inert gas that preserves the seals and metals of the system. Suffers little changes of pressure in variation of temperature, and have great elasticity. - Avoids broken of scopes* - The Gas Springs don't need lubrication, because they has a reserve of lubricant inside. - Less effort to trigger the carbine, the nitrogen inside of a closed system have a superior performance than a gas spring filled by compressed air; - Can still triggered by indeterminated time that won't lose performance, how in the steel springs. - Leaves your gun quieter. Makes no noise when trigger, reduct the shot noise also. - 100% Brazilian. 1 year of warranty. - Quality NBR ISO 9001/2000. *Remembering that to avoid the broken of scopes, the Gas Ram must be installed as the installation manual shows. While install you must certify that have no leaking air in the carbine (in the pistons internal seal, and in the pipes o'rings) and the scope must be appropriate to use in compressed air rifles.