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Posted: 8/3/2006 2:01:06 PM EDT
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I've got some JP Enterprises trigger and hammer springs - the yellow ones. I took them and swapped out the stock springs that came with my lower. The measured trigger pull dropped from just under 8 pounds to slightly over 5. I believe that these are supposed to drop the poundage to around 3.5 pounds if properly installed with their trigger system. Does this sound about right? Is that about what I should get from just swapping the springs and not using their trigger/disconnector set? Thanks! |
| By trigger/disconnector set, do you mean the disconnector spring? Have installed these 3 spring sets on 3 ARs and pull weight feels like its only half of what it was and its much smoother, never measured the pull on mine so it may be 5lb but feels like less, i honed the sear and lightly roll honed the sharp sear edge so to lessen the drag on the trigger. That will help soothe it out. |
Just by changing to the reduce power springs - you cannot possibly get a guaranteed trigger pull, in lbs. This is because the geometries of every trigger and hammer will be slightly different, the sear engagement angles can be slightly off, the minute differences in lower receiver pin hole alignments, the sear engagement distances, and the condition of the surface of the sear enagement surfaces. You have already taken the biggest step in improving a stock triger feel - lightening the hammer spring tension. The trigger spring replacement doesnt do a lot to improve the overall feel, because the "pull" weight is set by the hammer spring against the hammer, into the trigger sear surface. The next step, if you want to imporve it som more, is to get some flitz metal polish (or any other very mild abrasive metal polish) and apply that to the sear engagement. Then, while watching TV with just the lower receiver, cock and fire the trigger constantly over a 30 minute period (dont let the hammer slam home on the lower receiver, you should "catch" it with your hand) This will polish the sear surfaces incredibly. Then, remove the trigger/hammer, and clean all the abrasive off. Lube this with a good quality moly grease (some prefer anti-sieze) and you will have about the best factory trigger you are going to ger... and no fear of damaging it like some "dremel" based trigger jobs will do. |
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