Think again. Putting in a heaver spring is THE absolute worse things you can possible do to a MODEREN bolt action rifle.
Everything is a trade off, to gain something you must give up something. When you attempt to gain lock time by going to a heaver spring, the first thing you give up is it take more force to cock the rifle. The other thing you gain in going with a heaver spring is a hole new level of harmonics. Everyone I have know or have talked to have lost accuracy going to heavier springs.
Go ahead and try it and see if I aint right.
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