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Posted: 1/6/2012 8:40:45 AM EDT
New to building. Just wondering if the jp speed hammers are interchangeable with stock ar hammers from say a dpms LPK?
Link Posted: 1/6/2012 8:43:13 AM EDT
Yes they are.
Link Posted: 1/6/2012 8:47:01 AM EDT
You can also neuter the stock hammer and save money. All you need is a dremel!
Link Posted: 1/6/2012 9:23:08 AM EDT
Really? Is there directions on that?
Link Posted: 1/6/2012 9:26:02 AM EDT
http://www.ar15.com/forums/t_3_4/544583_Trigger_work_.html

Check this thread out. I bobbed one hammer and got a JP spring kit. Haven't tried it out yet. I intend for it to go with my rimfire upper. We'll see if it has the ooomph to fire those primers.
Link Posted: 1/6/2012 9:27:38 AM EDT
Originally Posted By CIE:
http://www.ar15.com/forums/t_3_4/544583_Trigger_work_.html

Check this thread out. I bobbed one hammer and got a JP spring kit. Haven't tried it out yet. I intend for it to go with my rimfire upper. We'll see if it has the ooomph to fire those primers.


I have the yellow no spring kit and I modified my hammer. It has fired everything so far, including .22
Link Posted: 1/7/2012 10:17:17 AM EDT
This plus JP springs made a nice difference for me.




Link Posted: 1/7/2012 1:18:33 PM EDT
[Last Edit: 1/7/2012 1:19:11 PM EDT by Jolkm]
I too, have dremel-lightened my stock hammer and use JP yellow springs, and thus far have fired 260rds of M855 without any problems.
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