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AR15.COM
10/26/2016 3:52:36 PM EDT
We recently were given some of the original AMU M-K II triggers.  First impression, we noticed a very significant bend in the trigger spring that gives a heavier first stage trigger pull.  We tested the AMU triggers and came up with 3.5 lbs to 4.0 lbs, which influenced our decision to produce a heavy duty (HD) trigger spring for M-K II users.  The HD spring weighs in at approximately 3.75 lbs (first stage) which is 1.5 lbs heavier than the G.I. style spring supplied with M-K II triggers.  In short, our HD spring will give the user a heavy first stage feel.  We will now include the HD spring with all M-K II models.  If you're already using an M-K II trigger and would like one of the HD springs please contact us atThe Wisconsin Trigger Company.


The Wisconsin Trigger Company, INC.
W1332 Elmwood Ave.
Unit B
Ixonia Wi 53036

www.WisconsinTrigger.com