MAG MA130 Non Linear Spring for VSR-10 Series

MAG MA130 Non Linear Spring for VSR-10 Series MA130 Power Spring Suitable For VSR-10 Series Airsoft Bolt Action Spring Sniper Rifle Airsoft Guns Although the Non-Linear spring isn't as easy to pull in a bolt action rifle, it gives the piston a faster acceleration once you have depressed the trigger, giving you that slight edge you want for your sniper rifle!