I found a lb of unopened 40 year-old Unique last year. Just finished shooting it up. Worked just as good as the new.
Here in NW New Mexico, the climate is dry 10 months of the year, a bit hot & humid during July and August. Temperature range where stored was typically 60 to 70 degrees 10 months, and 70 to 80 in July and August. (60-115 outside)
If it smells like smokeless, it's fine. If it smells strong acrid....make it fertilizer.
I shoot 6 grains (new or old Unique) with 230gr. FMJ or hollow points in my Kimber Target II, and in two guns I no longer own, a Ruger .45 Convertible, and an old Colt 70 series Gold Cup, but you ought to work up to that in YOUR gun.
Last edited by GWS; January 24, 2013 at 07:22 PM.
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