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Anybody who has run a bone-stock AR knows the factory trigger is the weakest link. Rise Armament built the RA-434 to fix exactly that. It is a single-stage, self-contained drop-in unit engineered to give you a smooth take-up, a crisp clean break, and a quick reset that lets your finger get right back to work. The pull weight sits at 3.5 pounds, but thanks to the flat trigger blade geometry and the coating on the internals, it feels lighter than the number on paper.
The magic here is in the details you don't see. The interior contact surfaces get a friction-reducing nickel boron coating, which wipes out that scratchy, gritty feel most milspec triggers are known for. Every part is CNC machined from high-grade heat-treated tool steel and aluminum, and Rise assembles the unit to AS9100 aerospace standards, which is a tighter spec than typical firearm manufacturing. The cassette housing is black 8625 hardcoat anodized aluminum, and the whole assembly tips the scale at just 2.4 ounces.
Because it ships as a complete cassette, installation is about as painless as trigger swaps get. Drop it in, push your pins through, snug the set screws, and you are done. No stoning, no spring tuning, no fussing with individual parts. It fits most .223 and .308 AR-style platforms, so whether you are building an AR-15 or an AR-10 it will bolt right in. Note that it is not recommended for the Sig MPX.
The flat face gives your trigger finger consistent leverage and a repeatable point of contact shot after shot, which pays off when you are trying to shoot tight groups or run fast follow-ups. Feedback from folks who have installed it echoes the same thing over and over: crisp break, clean reset, and a noticeable step up from whatever they pulled out. Backed by Rise Armament's lifetime guarantee, it is a straightforward upgrade that earns its keep every time you press it.
Yes. The RA-434 is designed to fit most .223 and .308 AR-style platforms, so it works in standard AR-15 and AR-10 lowers. It is not recommended for the Sig MPX, so keep that in mind if that is your host firearm.
It is one of the easier trigger upgrades out there. Because it comes as a single self-contained cassette, you just drop it into your lower, push the included pins through, and tighten the set screws. No gunsmithing or fine-tuning is required.
The RA-434 breaks at a fixed 3.5 pounds and is non-adjustable. Thanks to the flat trigger blade and the nickel boron coating on the internals, it tends to feel lighter than 3.5 pounds in practice. The center set screw should be left alone since tampering with it can affect function.
The RA-434 sits above Rise Armament's entry-level RA-140 in their good-better-best lineup. It uses different internal geometry and a premium nickel boron coating that gives it a smoother, lighter-feeling pull and a quicker reset. It also comes standard with the flat trigger blade for better control.
| UPC | 850011713082 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RA-434-SLVR-AWP |
| Color | Silver |
| Model | |
| Product Type | Trigger |
| Length | 4.2000 |
| Style | Single-Stage |
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