Rock River Arms has a reputation of making good stuff. And their two-stage trigger is no exception. The standard triggers that come with most AR15s leave a LOT to be desired, and this is a quick and easy way to fix that.Installation is, like most things on an AR15, very easy, and Rock River has very good support. The first stage is nice and light. The second stage is very crisp. Just what you'd expect!
Out of five of these, one arrived feeling pretty gritty. I made a call to Rock River, and they immediately replaced it - and they even paid for shipping both ways. You can't beat that!
The pins that come with these are very slightly oversized. Many lowers, like those from Essential Arms, have very slightly oversized trigger/hammer pin holes, and they fit just fine. Some, like the Spike's Tactical receivers, have holes drilled exactly to specification. In those cases, some people like to swage the receiver to fit the pins. I'm not a fan of that, I just use standard-sized pins with the NM trigger. Function has not been impaired in any of the sets I've used.
I've also noticed a little variation between the five sets I've used. I believe that they have a nominal pull of 3-4 pounds, and that seems about right. Most of the sets have been closer to 4, with one seeming to be right at 3 pounds.
The weight of pull should tell you that these aren't benchrest triggers, these are triggers for rifles that get carried around. The two-stage design is terrific for accurately placing single shots, but many people prefer single-stage triggers for rapid fire. It's all about what you prefer. But if you're looking for a nice two-stage trigger and don't want to break the bank, then this is a pretty safe bet.
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