MAG MA150 Non Linear Spring for VSR-10 Airsoft Sniper Rifle

MAG MA150 Non Linear Spring for VSR-10 Airsoft Sniper Rifle Metal Construction MA150 Power up Spring 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!