I'm thinking you may start to see short-stroking with weaker ammo that otherwise ran fine. I wouldn't expect any issues using NATO pressure ammo but there could be depending on how 'tuned' your weapon is at 70*. When I shoot in the winter time in 10*-20*F I notice reduced recoil with all types of ammo, at least until the weapon gets hot.

Originally Posted by
Dead Man
What kind of performance variation could one expect taking a weapon tuned at 70F down to teens? Should one consider switching to a lighter buffer for sub-freezing temps?
B.A.S. Mechanical Engineering Technology
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