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The CMMG Mil-Spec Trigger Kit is the no-nonsense fire control group that the AR-15 was designed around. It follows the original M16 trigger architecture, tweaked for semi-automatic use, and delivers the kind of consistent, reliable function that makes it a safe bet for a first build or a straightforward repair. If you want a trigger that just runs without any fuss, this is the classic starting point.
Because it's a mil-spec design, this kit uses standard .154-inch pins and steel components with a matte black finish, so it drops into any mil-spec AR lower with no fitting headaches. A true mil-spec trigger typically breaks in the 5.5 to 8.5 pound range, which is heavier than a match trigger on purpose. That extra weight and sear engagement is what keeps the platform dependable when a rifle is getting bumped around and worked hard, and it's why this style remains the go-to for duty and defensive setups.
Everything you need to complete the fire control group is in the box, which takes the guesswork out of a lower parts order. You get a curved single-stage trigger, hammer, disconnector, the matching springs, and both pins. Assembly is a familiar process for anyone who has put together an AR lower, and there are no proprietary parts to slow you down.
This is a trigger built for reliability and long service rather than a feather-light competition pull. Feed it a little quality lubrication during install and it'll smooth out with use. If you're building a range gun, a truck gun, or a duty rifle where you want proven function over frills, this CMMG kit does the job right. It's also made in the USA, which is a nice bonus at this price point.
Yes. This kit is built to mil-spec dimensions with standard .154-inch pins, so it fits any mil-spec AR-15 lower receiver. It also works in mil-spec AR-308 and 6.8 SPC lowers that use the same fire control pocket.
Being a true mil-spec design, it lands in the standard range of roughly 5.5 to 8.5 pounds. That extra weight and sear engagement is intentional and is what keeps the AR platform dependable for duty and defensive use. If you want a lighter competition-style pull, a match trigger would be the route to go.
The parts assemble into your lower the same way a standard AR fire control group does, using the included hammer and trigger pins. If you've built an AR lower before, this will feel familiar. First-time builders can handle it with basic tools and a little patience.
It does. The kit includes the trigger, hammer, disconnector, all three springs, and both pins, so the fire control portion of your lower is covered. You'll still need a safety selector and other lower parts if you're starting from a bare stripped receiver.
| UPC | 815835018256 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 55AFF97 |
| Color | Black |
| Length | 3.8500 |
| Model | |
| Product Type | Trigger |
| Shipping Weight | 0.08 |
| Style | Curved |
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