Nobel Sport Vectan GM-3 Smokeless Powder 1.1 Pound

Item #:NBGM31
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Nobel Sport Vectan GM-3 Smokeless Powder 1.1 Pound
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Product Information

Single based granulated powder, intended for shotshell applications.

Used in 12ga 1-1/8oz loads.


When comparing prices, please keep in mind that the Nobel Sport Powder contains 1.1 lbs, 10% more than most of the competition.


WARNING: This product can expose you to chemicals including N-Nitrosodiphenylamine and Di-n-butyl phthalate, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to -

Warning: Not all powders are the same. Please refer to the manufacturer's load data.

Technical Resources

Technical Notes

COMPARES WITH: Accurate #5, Winchester AutoComp.

WARNING! Comparison powder listed approximate based on burn rate.  Consult Nobel Sport loading data for appropriate loading data.

Read 1 Reviews - Average Rating: 2 stars

Powder consistancy

By George L. on Dec 16, 2018
Bought this "shotgun powder" to load 9 M/M's. Cheap and I used a lot of other shotgun powders for 9's before. At first I loaded only 12 rounds and took them to the range to Identify a "good load". With this info I came home and started loading 250 rounds for my nest trip to the range. What I discovered is that the powder is very inconsistent in size from granular to granular. It looks a lot like "gray sand" and varies in size from very small "bits" to larger size pieces that have a tendency to separate while in the container causing sufficient weight differences from load to load. I would strongly recommend weighing each load separately and NOT using this powder in a progressive press. (You will note in the Graf information that they compare this powder to Winchester AutoComp).
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