Ak47 I know what linear and non- linear are in terms of definition in the Oxford dictionary but in terms of airsoft applications (i apologise for not being clear and has been ammended in the opening question) but considering I'm still a newbie who started 4 months ago, my knowledge increases with every question I ask
Thankyou PT for answering, now I know what they mean which says I have non linear springs in all my rifles
My mates ICS M4 is proprietary where as my M4's and G36C are not, I was asked at a game if my G36 was proprietary and I didn't know but luckily there mags fitted mine