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Posted: 8/28/2010 9:22:57 AM EDT
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Can the trigger be upgraded in the SW M&P15-22? In other words, be replaced with a "real" AR trigger? |
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The M&P15-22 uses a standard AR15 trigger group. The Rock River two stage is wonderful here, as it is in the full caliber rifles. But it's $120 so before ordering another one I tried a couple less expensive things:
1. The "10 minute AR15 trigger job" or similar works very well. Cut one leg off the hammer spring and reform the trigger spring legs. Most of the 10 minutes is getting the parts out and back in. Costs nothing but your time. There are sear polishing instructions as part of this too. 2. The JP "yellow spring" set does the same thing. I've done both and they're about the same and much lighter than stock. Since the JP kit was last those springs are still in there. Save yourself a lot of trouble reassembling the trigger and disconnector by cutting a spare hammer/trigger pin to length and use as a slave pin. One pin gets you a slave pin and one for your buddy. 
This works for all M16/AR15 triggers. –– Chuck |
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